This is a complete list of former United States representatives whose last names begin with the letter P.
The number of years the representative/delegate has served in Congress indicates the number of terms the representative/delegate has. Note the representative/delegate can also serve non-consecutive terms if the representative/delegate loses election and wins re-election to the House.
| Representative/Delegate | Years | State/Territory | Party | Lifespan |
|---|---|---|---|---|
| Stephen Pace | 1937–1951 | Georgia | Democratic | 1891–1970 |
| Romualdo Pacheco | 1877–1878 1879–1883 | California | Republican | 1831–1899 |
| Jasper Packard | 1869–1875 | Indiana | Republican | 1832–1899 |
| Ron Packard | 1983–2001 | California | Republican | 1931–present |
| Asa Packer | 1853–1857 | Pennsylvania | Democratic | 1805–1879 |
| Horace Billings Packer | 1897–1901 | Pennsylvania | Republican | 1851–1940 |
| John Black Packer | 1869–1877 | Pennsylvania | Republican | 1824–1891 |
| George A. Paddock | 1941–1943 | Illinois | Republican | 1885–1964 |
| Lemuel P. Padgett | 1901–1922 | Tennessee | Democratic | 1855–1922 |
| Bolívar Pagán | 1939–1945 | Puerto Rico | Republican | 1897–1961 |
| Charles H. Page | 1887 1891–1893 1893–1895 | Rhode Island | Democratic | 1843–1912 |
| Henry Page | 1891–1892 | Maryland | Democratic | 1841–1913 |
| Horace F. Page | 1873–1883 | California | Republican | 1833–1890 |
| John Page | 1789–1795 | Virginia | Anti-Administration | 1743–1808 |
| 1795–1797 | Democratic-Republican | |||
| Robert Page | 1799–1801 | Virginia | Federalist | 1765–1840 |
| Robert N. Page | 1903–1917 | North Carolina | Democratic | 1859–1933 |
| Sherman Page | 1833–1837 | New York | Democratic | 1779–1853 |
| Calvin Paige | 1913–1925 | Massachusetts | Republican | 1848–1930 |
| David R. Paige | 1883–1885 | Ohio | Democratic | 1844–1901 |
| Halbert E. Paine | 1865–1871 | Wisconsin | Republican | 1826–1905 |
| Robert Treat Paine | 1855–1857 | North Carolina | American | 1812–1872 |
| William W. Paine | 1870–1871 | Georgia | Democratic | 1817–1882 |
| Steven Palazzo | 2011–2023 | Mississippi | Republican | 1970–present |
| Rufus Palen | 1839–1841 | New York | Whig | 1807–1844 |
| John G. Palfrey | 1847–1849 | Massachusetts | Whig | 1796–1881 |
| A. Mitchell Palmer | 1909–1915 | Pennsylvania | Democratic | 1872–1936 |
| Beriah Palmer | 1803–1805 | New York | Democratic-Republican | 1740–1812 |
| Cyrus M. Palmer | 1927–1929 | Pennsylvania | Republican | 1887–1959 |
| Francis W. Palmer | 1869–1873 | Iowa | Republican | 1827–1907 |
| George W. Palmer | 1857–1861 | New York | Republican | 1818–1916 |
| Henry W. Palmer | 1901–1907 1909–1911 | Pennsylvania | Republican | 1839–1913 |
| John Palmer | 1817–1819 | New York | Democratic-Republican | 1785–1840 |
| 1837–1839 | Democratic | |||
| John William Palmer | 1929–1931 | Missouri | Republican | 1866–1958 |
| Vincent L. Palmisano | 1927–1939 | Maryland | Democratic | 1882–1953 |
| Leon Panetta | 1977–1993 | California | Democratic | 1938–present |
| Mike Pappas | 1997–1999 | New Jersey | Republican | 1960–present |
| Quintin Paredes | 1936–1938 | Philippines | None | 1884–1973 |
| Frank Park | 1913–1925 | Georgia | Democratic | 1864–1925 |
| Benjamin Parke | 1805–1808 | Indiana | None | 1777–1835 |
| Abraham X. Parker | 1881–1889 | New York | Republican | 1831–1909 |
| Amasa J. Parker | 1837–1839 | New York | Democratic | 1807–1890 |
| Andrew Parker | 1851–1853 | Pennsylvania | Democratic | 1805–1864 |
| Homer C. Parker | 1931–1935 | Georgia | Democratic | 1885–1946 |
| Hosea Washington Parker | 1871–1875 | New Hampshire | Democratic | 1833–1922 |
| Isaac Parker | 1797–1799 | Massachusetts | Federalist | 1768–1830 |
| Isaac C. Parker | 1871–1875 | Missouri | Republican | 1838–1896 |
| James Parker | 1813–1815 1819–1821 | Massachusetts | Democratic-Republican | 1768–1837 |
| James Parker | 1833–1837 | New Jersey | Democratic | 1776–1868 |
| James S. Parker | 1913–1933 | New York | Republican | 1867–1933 |
| John M. Parker | 1855–1857 | New York | Oppositionist | 1805–1873 |
| 1857–1859 | Republican | |||
| Josiah Parker | 1789–1793 | Virginia | Anti-Administration | 1751–1810 |
| 1793–1795 | Pro-Administration | |||
| 1795–1801 | Federalist | |||
| Michael Parker | 1989–1995 | Mississippi | Democratic | 1949–present |
| 1995–1999 | Republican | |||
| Richard Parker | 1849–1851 | Virginia | Democratic | 1810–1893 |
| Richard W. Parker | 1895–1911 1914–1919 1921–1923 | New Jersey | Republican | 1848–1923 |
| Samuel W. Parker | 1851–1855 | Indiana | Whig | 1805–1859 |
| Severn E. Parker | 1819–1821 | Virginia | Democratic-Republican | 1787–1836 |
| William H. Parker | 1907–1908 | South Dakota | Republican | 1847–1908 |
| Gorham Parks | 1833–1837 | Maine | Democratic | 1794–1877 |
| Tilman Bacon Parks | 1921–1937 | Arkansas | Democratic | 1872–1950 |
| William Parmenter | 1837–1845 | Massachusetts | Democratic | 1789–1866 |
| Thomas Parran Sr. | 1911–1913 | Maryland | Republican | 1860–1955 |
| William F. Parrett | 1889–1893 | Indiana | Democratic | 1825–1895 |
| Albion Parris | 1815–1818 | Massachusetts | Democratic-Republican | 1788–1857 |
| Stanford Parris | 1973–1975 1981–1991 | Virginia | Republican | 1929–2010 |
| Virgil D. Parris | 1838–1841 | Maine | Democratic | 1807–1874 |
| Isaac Parrish | 1839–1841 1845–1847 | Ohio | Democratic | 1804–1860 |
| Lucian W. Parrish | 1919–1922 | Texas | Democratic | 1878–1922 |
| John Fabyan Parrott | 1817–1819 | New Hampshire | Democratic-Republican | 1767–1836 |
| Marcus Junius Parrott | 1857–1861 | Kansas | Republican | 1828–1879 |
| Claude V. Parsons | 1930–1941 | Illinois | Democratic | 1895–1941 |
| Edward Y. Parsons | 1875–1876 | Kentucky | Democratic | 1842–1876 |
| Herbert Parsons | 1905–1911 | New York | Republican | 1869–1925 |
| Richard C. Parsons | 1873–1875 | Ohio | Republican | 1826–1899 |
| Donald B. Partridge | 1931–1933 | Maine | Republican | 1891–1946 |
| George Partridge | 1789–1790 | Massachusetts | Pro-Administration | 1740–1828 |
| Samuel Partridge | 1841–1843 | New York | Democratic | 1790–1883 |
| Thomas M. Paschal | 1893–1895 | Texas | Democratic | 1845–1919 |
| Bill Pascrell | 1997–2024 | New Jersey | Democratic | 1937–2024 |
| Chip Pashayan | 1979–1991 | California | Republican | 1941–present |
| Otto Passman | 1947–1977 | Louisiana | Democratic | 1900–1988 |
| Ed Pastor | 1991–2015 | Arizona | Democratic | 1943–2018 |
| John Paterson | 1803–1805 | New York | Democratic-Republican | 1744–1808 |
| Thomas J. Paterson | 1843–1845 | New York | Whig | 1805–1885 |
| Bill Patman | 1981–1985 | Texas | Democratic | 1927–2008 |
| Wright Patman | 1929–1976 | Texas | Democratic | 1893–1976 |
| Luther Patrick | 1937–1943 1945–1947 | Alabama | Democratic | 1894–1957 |
| Edward J. Patten | 1963–1981 | New Jersey | Democratic | 1905–1994 |
| Harold Patten | 1949–1955 | Arizona | Democratic | 1907–1969 |
| John Patten | 1793–1794 | Delaware | Anti-Administration | 1746–1800 |
| 1795–1797 | Democratic-Republican | |||
| Thomas G. Patten | 1911–1917 | New York | Democratic | 1861–1939 |
| Edward White Patterson | 1935–1939 | Kansas | Democratic | 1895–1940 |
| Ellis E. Patterson | 1945–1947 | California | Democratic | 1897–1985 |
| Francis F. Patterson Jr. | 1920–1927 | New Jersey | Republican | 1867–1935 |
| George Robert Patterson | 1901–1906 | Pennsylvania | Republican | 1863–1906 |
| George W. Patterson | 1877–1879 | New York | Republican | 1799–1879 |
| Gilbert B. Patterson | 1903–1907 | North Carolina | Democratic | 1863–1922 |
| James O. Patterson | 1905–1911 | South Carolina | Democratic | 1857–1911 |
| James T. Patterson | 1947–1959 | Connecticut | Republican | 1908–1989 |
| James W. Patterson | 1863–1867 | New Hampshire | Republican | 1823–1893 |
| Jerry M. Patterson | 1975–1985 | California | Democratic | 1934–2024 |
| John Patterson | 1823–1825 | Ohio | Democratic-Republican | 1771–1848 |
| Josiah Patterson | 1891–1897 | Tennessee | Democratic | 1837–1904 |
| LaFayette L. Patterson | 1928–1933 | Alabama | Democratic | 1888–1987 |
| Liz J. Patterson | 1987–1993 | South Carolina | Democratic | 1939–2018 |
| Malcolm R. Patterson | 1901–1906 | Tennessee | Democratic | 1861–1935 |
| Roscoe C. Patterson | 1921–1923 | Missouri | Republican | 1876–1954 |
| Thomas Patterson | 1817–1825 | Pennsylvania | Democratic-Republican | 1764–1841 |
| Thomas M. Patterson | 1875–1876 1877–1879 | Colorado | Democratic | 1839–1916 |
| Walter Patterson | 1821–1823 | New York | Federalist | 17??–1852 |
| William Patterson | 1833–1837 | Ohio | Democratic | 1790–1868 |
| William Patterson | 1837–1838 | New York | Whig | 1789–1838 |
| Edward W. Pattison | 1975–1979 | New York | Democratic | 1932–1990 |
| John M. Pattison | 1891–1893 | Ohio | Democratic | 1847–1906 |
| Charles Emory Patton | 1911–1915 | Pennsylvania | Republican | 1859–1937 |
| David Henry Patton | 1891–1893 | Indiana | Democratic | 1837–1914 |
| John Patton | 1861–1863 1887–1889 | Pennsylvania | Republican | 1823–1897 |
| John Denniston Patton | 1883–1885 | Pennsylvania | Democratic | 1829–1904 |
| John M. Patton | 1830–1838 | Virginia | Democratic | 1797–1858 |
| Nat Patton | 1935–1945 | Texas | Democratic | 1881–1957 |
| John Paul | 1881–1883 | Virginia | Democratic | 1839–1901 |
| John Paul Jr. | 1922–1923 | Virginia | Republican | 1883–1964 |
| Ron Paul | 1976–1977 1979–1985 1997–2013 | Texas | Republican | 1935–present |
| William Paulding Jr. | 1811–1813 | New York | Democratic-Republican | 1770–1854 |
| Erik Paulsen | 2009–2019 | Minnesota | Republican | 1965–present |
| Levi Pawling | 1817–1819 | Pennsylvania | Federalist | 1773–1845 |
| Bill Paxon | 1989–1999 | New York | Republican | 1954–present |
| Donald M. Payne | 1989–2012 | New Jersey | Democratic | 1934–2012 |
| Donald Payne Jr. | 2012–2024 | New Jersey | Democratic | 1958–2024 |
| Henry B. Payne | 1875–1877 | Ohio | Democratic | 1810–1896 |
| Lewis F. Payne Jr. | 1988–1997 | Virginia | Democratic | 1945–present |
| Sereno E. Payne | 1883–1887 1889–1914 | New York | Republican | 1843–1914 |
| William W. Payne | 1841–1847 | Alabama | Democratic | 1807–1874 |
| Lemuel Paynter | 1837–1841 | Pennsylvania | Democratic | 1788–1863 |
| Thomas H. Paynter | 1889–1895 | Kentucky | Democratic | 1851–1921 |
| Lewis E. Payson | 1881–1891 | Illinois | Republican | 1840–1909 |
| Charles Edward Pearce | 1897–1901 | Missouri | Republican | 1842–1902 |
| Dutee Jerauld Pearce | 1825–1833 | Rhode Island | National Republican | 1789–1849 |
| 1833–1837 | Anti-Masonic | |||
| James Pearce | 1835–1837 | Maryland | National Republican | 1805–1862 |
| 1837–1839 1841–1843 | Whig | |||
| John Jamison Pearce | 1855–1857 | Pennsylvania | Oppositionist | 1826–1912 |
| Steve Pearce | 2003-2009 2011–2019 | New Mexico | Republican | 1947–present |
| George Alexander Pearre | 1899–1911 | Maryland | Republican | 1860–1923 |
| Albert J. Pearson | 1891–1895 | Ohio | Democratic | 1846–1905 |
| Herron C. Pearson | 1935–1943 | Tennessee | Democratic | 1890–1953 |
| John James Pearson | 1836–1837 | Pennsylvania | National Republican | 1800–1888 |
| Joseph Pearson | 1809–1815 | North Carolina | Federalist | 1776–1834 |
| Richmond Pearson | 1895–1899 1900–1901 | North Carolina | Republican | 1852–1923 |
| Don Pease | 1977–1993 | Ohio | Democratic | 1931–2002 |
| Ed Pease | 1997–2001 | Indiana | Republican | 1951–present |
| Charles H. Peaslee | 1847–1853 | New Hampshire | Democratic | 1804–1866 |
| Hubert H. Peavey | 1923–1935 | Wisconsin | Republican | 1881–1937 |
| Erasmus D. Peck | 1870–1873 | Ohio | Republican | 1808–1876 |
| George W. Peck | 1855–1857 | Michigan | Democratic | 1818–1905 |
| Jared V. Peck | 1853–1855 | New York | Democratic | 1816–1891 |
| Lucius Benedict Peck | 1847–1851 | Vermont | Democratic | 1802–1866 |
| Luther C. Peck | 1837–1841 | New York | Whig | 1800–1876 |
| Rufus Wheeler Peckham | 1853–1855 | New York | Democratic | 1809–1873 |
| Thomas Baldwin Peddie | 1877–1879 | New Jersey | Republican | 1808–1889 |
| Preston E. Peden | 1947–1949 | Oklahoma | Democratic | 1914–1985 |
| Harmanus Peek | 1819–1821 | New York | Democratic-Republican | 1782–1838 |
| Samuel W. Peel | 1883–1893 | Arkansas | Democratic | 1831–1924 |
| Stanton J. Peelle | 1881–1884 | Indiana | Republican | 1843–1928 |
| George C. Peery | 1923–1929 | Virginia | Democratic | 1873–1952 |
| John Pegram | 1818–1819 | Virginia | Democratic-Republican | 1773–1831 |
| Joseph Peirce | 1801–1802 | New Hampshire | Federalist | 1748–1812 |
| Robert B. F. Peirce | 1881–1883 | Indiana | Republican | 1843–1898 |
| Charles Pelham | 1873–1875 | Alabama | Republican | 1835–1908 |
| Herbert Pell | 1919–1921 | New York | Democratic | 1884–1961 |
| Thomas Pelly | 1953–1973 | Washington | Republican | 1902–1973 |
| Mary Peltola | 2022–2025 | Alaska | Democratic | 1973–present |
| Guy R. Pelton | 1855–1857 | New York | Oppositionist | 1824–1890 |
| Greg Pence | 2019–2025 | Indiana | Republican | 1956–present |
| Lafe Pence | 1893–1895 | Colorado | Populist | 1857–1923 |
| Mike Pence | 2001–2013 | Indiana | Republican | 1959–present |
| Edmund H. Pendleton | 1831–1833 | New York | National Republican | 1788–1862 |
| George C. Pendleton | 1893–1897 | Texas | Democratic | 1845–1913 |
| George H. Pendleton | 1857–1865 | Ohio | Democratic | 1825–1889 |
| James M. Pendleton | 1871–1875 | Rhode Island | Republican | 1822–1889 |
| John O. Pendleton | 1889–1890 1891–1895 | West Virginia | Democratic | 1851–1916 |
| John S. Pendleton | 1845–1849 | Virginia | Whig | 1802–1868 |
| Nathanael G. Pendleton | 1841–1843 | Ohio | Whig | 1793–1861 |
| John B. Penington | 1887–1891 | Delaware | Democratic | 1825–1902 |
| Alexander G. Penn | 1850–1853 | Louisiana | Democratic | 1799–1866 |
| Ebenezer J. Penniman | 1851–1853 | Michigan | Whig | 1804–1890 |
| Alexander C. M. Pennington | 1853–1855 | New Jersey | Whig | 1810–1867 |
| 1855–1857 | Oppositionist | |||
| William Pennington | 1859–1861 | New Jersey | Republican | 1796–1862 |
| Tim Penny | 1983–1995 | Minnesota | Democratic-Farmer-Labor | 1951–present |
| Isaac S. Pennybacker | 1837–1839 | Virginia | Democratic | 1805–1847 |
| Claude Pepper | 1963–1989 | Florida | Democratic | 1900–1989 |
| Irvin S. Pepper | 1911–1913 | Iowa | Democratic | 1876–1913 |
| Legrand W. Perce | 1870–1873 | Mississippi | Republican | 1836–1911 |
| Francisco Perea | 1863–1865 | New Mexico | Republican | 1830–1913 |
| Pedro Perea | 1899–1901 | New Mexico | Republican | 1852–1906 |
| Sidney Perham | 1863–1869 | Maine | Republican | 1819–1907 |
| Bishop Perkins | 1853–1855 | New York | Democratic | 1787–1866 |
| Bishop W. Perkins | 1883–1891 | Kansas | Republican | 1841–1894 |
| Chris Perkins | 1984–1993 | Kentucky | Democratic | 1954–present |
| Carl D. Perkins | 1949–1984 | Kentucky | Democratic | 1912–1984 |
| Elias Perkins | 1801–1803 | Connecticut | Federalist | 1767–1845 |
| George D. Perkins | 1891–1899 | Iowa | Republican | 1840–1914 |
| James Breck Perkins | 1901–1910 | New York | Republican | 1847–1910 |
| Jared Perkins | 1851–1853 | New Hampshire | Whig | 1793–1854 |
| John Perkins Jr. | 1853–1855 | Louisiana | Democratic | 1819–1885 |
| Randolph Perkins | 1921–1936 | New Jersey | Republican | 1871–1936 |
| Nathan D. Perlman | 1920–1927 | New York | Republican | 1887–1952 |
| Ed Perlmutter | 2007–2023 | Colorado | Democratic | 1953–present |
| Tom Perriello | 2009–2011 | Virginia | Democratic | 1974–present |
| Augustus L. Perrill | 1845–1847 | Ohio | Democratic | 1807–1882 |
| Aaron F. Perry | 1871–1872 | Ohio | Republican | 1815–1893 |
| Eli Perry | 1871–1875 | New York | Democratic | 1799–1881 |
| John J. Perry | 1855–1857 | Maine | Oppositionist | 1811–1897 |
| 1859–1861 | Republican | |||
| Nehemiah Perry | 1861–1865 | New Jersey | Democratic | 1816–1881 |
| Thomas Johns Perry | 1845–1847 | Maryland | Democratic | 1807–1871 |
| William H. Perry | 1885–1891 | South Carolina | Democratic | 1839–1902 |
| Seymour H. Person | 1931–1933 | Michigan | Republican | 1879–1957 |
| Henry Persons | 1879–1881 | Georgia | Independent Democrat | 1834–1910 |
| José Lorenzo Pesquera | 1932–1933 | Puerto Rico | Independent | 1882–1950 |
| George Peter | 1816–1819 | Maryland | Federalist | 1779–1861 |
| 1825–1827 | Democratic | |||
| Andrew J. Peters | 1907–1914 | Massachusetts | Democratic | 1872–1938 |
| Gary Peters | 2009–2015 | Michigan | Democratic | 1958–present |
| John A. Peters | 1867–1873 | Maine | Republican | 1822–1904 |
| John A. Peters | 1913–1922 | Maine | Republican | 1864–1953 |
| Mason S. Peters | 1897–1899 | Kansas | Populist | 1844–1914 |
| Samuel R. Peters | 1883–1891 | Kansas | Republican | 1842–1910 |
| Andrew Petersen | 1921–1923 | New York | Republican | 1870–1952 |
| Collin Peterson | 1991–2021 | Minnesota | Democratic | 1944–present |
| Hugh Peterson | 1935–1947 | Georgia | Democratic | 1898–1961 |
| J. Hardin Peterson | 1933–1951 | Florida | Democratic | 1894–1978 |
| John B. Peterson | 1913–1915 | Indiana | Democratic | 1850–1944 |
| John Peterson | 1997–2009 | Pennsylvania | Republican | 1938–present |
| M. Blaine Peterson | 1961–1963 | Utah | Democratic | 1906–1985 |
| Pete Peterson | 1991–1997 | Florida | Democratic | 1935–present |
| Tom Petri | 1979–2015 | Wisconsin | Republican | 1940–present |
| George Petrie | 1847–1849 | New York | Independent Democrat | 1793–1879 |
| David Petrikin | 1837–1841 | Pennsylvania | Democratic | 1788–1847 |
| Samuel B. Pettengill | 1931–1939 | Indiana | Democratic | 1886–1974 |
| Augustus Herman Pettibone | 1881–1887 | Tennessee | Republican | 1835–1918 |
| Ebenezer Pettigrew | 1835–1837 | North Carolina | National Republican | 1783–1848 |
| Richard F. Pettigrew | 1881–1883 | Dakota | Republican | 1848–1926 |
| Jerry Pettis | 1967–1975 | California | Republican | 1916–1975 |
| Solomon Newton Pettis | 1868–1869 | Pennsylvania | Republican | 1827–1900 |
| Shirley Neil Pettis | 1975–1979 | California | Republican | 1924–2016 |
| Spencer Darwin Pettis | 1829–1831 | Missouri | Democratic | 1802–1831 |
| John Pettit | 1843–1849 | Indiana | Democratic | 1807–1877 |
| John U. Pettit | 1855–1857 | Indiana | Oppositionist | 1820–1881 |
| 1857–1861 | Republican | |||
| Peter A. Peyser | 1971–1977 | New York | Republican | 1921–2014 |
| 1979–1983 | Democratic | |||
| Theodore A. Peyser | 1933–1937 | New York | Democratic | 1873–1937 |
| Balie Peyton | 1833–1835 | Tennessee | Democratic | 1803–1878 |
| 1835–1837 | National Republican | |||
| Joseph Hopkins Peyton | 1843–1845 | Tennessee | Whig | 1808–1845 |
| Samuel Peyton | 1847–1849 1857–1861 | Kentucky | Democratic | 1804–1870 |
| Joseph L. Pfeifer | 1935–1951 | New York | Democratic | 1892–1974 |
| William L. Pfeiffer | 1949–1951 | New York | Republican | 1907–1985 |
| Gracie Pfost | 1953–1963 | Idaho | Democratic | 1906–1965 |
| William T. Pheiffer | 1941–1943 | New York | Republican | 1898–1986 |
| James Phelan Jr. | 1887–1891 | Tennessee | Democratic | 1856–1891 |
| Michael Francis Phelan | 1913–1921 | Massachusetts | Democratic | 1875–1941 |
| Charles E. Phelps | 1865–1867 | Maryland | Unconditional Unionist | 1833–1908 |
| 1867–1869 | Conservative | |||
| Darwin Phelps | 1869–1871 | Pennsylvania | Republican | 1807–1879 |
| David Phelps | 1999–2003 | Illinois | Democratic | 1947–present |
| Elisha Phelps | 1819–1821 | Connecticut | Democratic-Republican | 1779–1847 |
| 1825–1829 | National Republican | |||
| James Phelps | 1875–1883 | Connecticut | Democratic | 1822–1900 |
| John S. Phelps | 1845–1863 | Missouri | Democratic | 1814–1886 |
| Lancelot Phelps | 1835–1839 | Connecticut | Democratic | 1784–1866 |
| Oliver Phelps | 1803–1805 | New York | Democratic-Republican | 1749–1809 |
| Timothy Guy Phelps | 1861–1863 | California | Republican | 1824–1899 |
| William Wallace Phelps | 1858–1859 | Minnesota | Democratic | 1826–1873 |
| William Walter Phelps | 1873–1875 1883–1889 | New Jersey | Republican | 1839–1894 |
| Philip J. Philbin | 1943–1971 | Massachusetts | Democratic | 1898–1972 |
| John F. Philips | 1875–1877 1880–1881 | Missouri | Democratic | 1834–1919 |
| Alfred N. Phillips | 1937–1939 | Connecticut | Democratic | 1894–1970 |
| Dayton E. Phillips | 1947–1951 | Tennessee | Republican | 1910–1980 |
| Dean Phillips | 2019–2025 | Minnesota | Democratic-Farmer-Labor | 1969–present |
| Fremont O. Phillips | 1899–1901 | Ohio | Republican | 1856–1936 |
| Henry M. Phillips | 1857–1859 | Pennsylvania | Democratic | 1811–1884 |
| John Phillips | 1821–1823 | Pennsylvania | Federalist | N/A |
| John J. Phillips | 1943–1957 | California | Republican | 1887–1983 |
| Philip Phillips | 1853–1855 | Alabama | Democratic | 1807–1884 |
| Stephen C. Phillips | 1834–1837 | Massachusetts | National Republican | 1801–1857 |
| 1837–1838 | Whig | |||
| Thomas Wharton Phillips | 1893–1897 | Pennsylvania | Republican | 1835–1912 |
| Thomas Wharton Phillips Jr. | 1923–1927 | Pennsylvania | Republican | 1874–1956 |
| William A. Phillips | 1873–1879 | Kansas | Republican | 1824–1893 |
| Robert Philson | 1819–1821 | Pennsylvania | Democratic-Republican | 1759–1831 |
| Elijah Phister | 1879–1883 | Kentucky | Democratic | 1822–1887 |
| Jonas P. Phoenix | 1843–1845 1849–1851 | New York | Whig | 1788–1859 |
| Andrew Pickens | 1793–1795 | South Carolina | Anti-Administration | 1739–1817 |
| Francis Wilkinson Pickens | 1834–1839 | South Carolina | Nullifier | 1805–1869 |
| 1839–1843 | Democratic | |||
| Israel Pickens | 1811–1817 | North Carolina | Democratic-Republican | 1780–1827 |
| Chip Pickering | 1997–2009 | Mississippi | Republican | 1963–present |
| Timothy Pickering | 1813–1817 | Massachusetts | Federalist | 1745–1829 |
| Charles E. Pickett | 1909–1913 | Iowa | Republican | 1866–1930 |
| Owen B. Pickett | 1987–2001 | Virginia | Democratic | 1930–2010 |
| Tom Pickett | 1945–1952 | Texas | Democratic | 1906–1980 |
| J. J. Pickle | 1963–1995 | Texas | Democratic | 1913–2005 |
| John Pickler | 1889–1897 | South Dakota | Republican | 1844–1910 |
| Benjamin Pickman Jr. | 1809–1811 | Massachusetts | Federalist | 1763–1843 |
| James N. Pidcock | 1885–1889 | New Jersey | Democratic | 1836–1899 |
| Charles Wilson Pierce | 1868–1869 | Alabama | Republican | 1823–1907 |
| Franklin Pierce | 1833–1837 | New Hampshire | Democratic | 1804–1869 |
| Henry L. Pierce | 1873–1877 | Massachusetts | Republican | 1825–1896 |
| Ray V. Pierce | 1879–1880 | New York | Republican | 1840–1914 |
| Rice Alexander Pierce | 1883–1885 1889–1893 1897–1905 | Tennessee | Democratic | 1848–1936 |
| Wallace E. Pierce | 1939–1940 | New York | Republican | 1881–1940 |
| Walter M. Pierce | 1933–1943 | Oregon | Democratic | 1861–1954 |
| Pedro Pierluisi | 2009–2017 | Puerto Rico | New Progressive | 1959–present |
| Isaac Pierson | 1827–1831 | New Jersey | National Republican | 1770–1833 |
| Jeremiah H. Pierson | 1821–1823 | New York | Democratic-Republican | 1766–1855 |
| Job Pierson | 1831–1835 | New York | Democratic | 1791–1860 |
| James P. Pigott | 1893–1895 | Connecticut | Democratic | 1852–1919 |
| Austin F. Pike | 1873–1875 | New Hampshire | Republican | 1819–1886 |
| Frederick A. Pike | 1861–1869 | Maine | Republican | 1816–1886 |
| James Pike | 1855–1857 | New Hampshire | American | 1818–1895 |
| 1857–1859 | Republican | |||
| Otis G. Pike | 1961–1979 | New York | Democratic | 1921–2014 |
| J. L. Pilcher | 1953–1965 | Georgia | Democratic | 1898–1981 |
| William A. Pile | 1867–1869 | Missouri | Republican | 1829–1889 |
| John R. Pillion | 1953–1965 | New York | Republican | 1904–1978 |
| Timothy Pilsbury | 1846–1849 | Texas | Democratic | 1789–1858 |
| Charles Pinckney | 1819–1821 | South Carolina | Democratic-Republican | 1757–1824 |
| Henry L. Pinckney | 1833–1837 | South Carolina | Nullifier | 1794–1863 |
| John M. Pinckney | 1903–1905 | Texas | Democratic | 1845–1905 |
| Thomas Pinckney | 1797–1801 | South Carolina | Federalist | 1750–1828 |
| James Pindall | 1817–1820 | Virginia | Federalist | c. 1783–1825 |
| John S. Pindar | 1885–1887 1890–1891 | New York | Democratic | 1835–1907 |
| Jesús T. Piñero | 1945–1946 | Puerto Rico | Democratic | 1897–1952 |
| William Pinkney | 1791 | Maryland | Pro-Administration | 1764–1822 |
| 1815–1816 | Democratic-Republican | |||
| William Piper | 1811–1817 | Pennsylvania | Democratic-Republican | 1774–1852 |
| William Adam Piper | 1875–1877 | California | Democratic | 1826–1899 |
| William A. Pirce | 1885–1887 | Rhode Island | Republican | 1824–1891 |
| Alexander Pirnie | 1959–1973 | New York | Republican | 1903–1982 |
| Nathaniel Pitcher | 1819–1823 | New York | Democratic-Republican | 1777–1836 |
| 1831–1833 | Democratic | |||
| Timothy Pitkin | 1805–1819 | Connecticut | Federalist | 1766–1847 |
| Charles Wesley Pitman | 1849–1851 | Pennsylvania | Whig | ????–1871 |
| Mahlon Pitney | 1895–1899 | New Jersey | Republican | 1858–1924 |
| Robert Pittenger | 2013–2019 | North Carolina | Republican | 1948–present |
| William Pittenger | 1929–1933 1935–1937 1939–1947 | Minnesota | Republican | 1885–1951 |
| Joe Pitts | 1997–2017 | Pennsylvania | Democratic | 1939–present |
| Harris M. Plaisted | 1875–1877 | Maine | Republican | 1828–1898 |
| David Plant | 1827–1829 | Connecticut | National Republican | 1783–1851 |
| Tobias A. Plants | 1865–1869 | Ohio | Republican | 1811–1887 |
| Thomas Plater | 1801–1805 | Maryland | Federalist | 1769–1830 |
| Edmund Platt | 1913–1920 | New York | Republican | 1865–1939 |
| James H. Platt Jr. | 1870–1875 | Virginia | Republican | 1837–1894 |
| Jonas Platt | 1799–1801 | New York | Federalist | 1769–1834 |
| Thomas C. Platt | 1873–1877 | New York | Republican | 1833–1910 |
| Todd Platts | 2001–2013 | Pennsylvania | Republican | 1962–present |
| Vance Plauché | 1941–1943 | Louisiana | Democratic | 1897–1976 |
| James Pleasants | 1811–1819 | Virginia | Democratic-Republican | 1769–1836 |
| Walter C. Ploeser | 1941–1949 | Missouri | Republican | 1907–1993 |
| Thomas S. Plowman | 1897–1898 | Alabama | Democratic | 1843–1919 |
| Ralph Plumb | 1885–1889 | Illinois | Republican | 1816–1903 |
| Arnold Plumer | 1837–1839 1841–1843 | Pennsylvania | Democratic | 1801–1869 |
| George Plumer | 1821–1825 | Pennsylvania | Democratic-Republican | 1762–1843 |
| 1825–1827 | Democratic | |||
| William Plumer Jr. | 1819–1825 | New Hampshire | Democratic-Republican | 1789–1854 |
| Charles A. Plumley | 1934–1951 | Vermont | Republican | 1875–1964 |
| Frank Plumley | 1909–1915 | Vermont | Republican | 1844–1924 |
| Franklin E. Plummer | 1831–1835 | Mississippi | Democratic | ????–1847 |
| William R. Poage | 1937–1978 | Texas | Democratic | 1899–1987 |
| Bertram L. Podell | 1968–1975 | New York | Democratic | 1925–2005 |
| Ted Poe | 2005–2019 | Texas | Republican | 1948–present |
| Henry Poehler | 1879–1881 | Minnesota | Democratic | 1833–1912 |
| Richard Harding Poff | 1953–1972 | Virginia | Republican | 1923–2011 |
| George Poindexter | 1807–1813 1817–1819 | Mississippi | Democratic-Republican | 1779–1853 |
| Miles Poindexter | 1909–1911 | Washington | Republican | 1868–1946 |
| Joel Roberts Poinsett | 1821–1825 | South Carolina | Democratic-Republican | 1779–1851 |
| 1825 | Democratic | |||
| Santiago Polanco-Abreu | 1965–1969 | Puerto Rico | Democratic | 1920–1988 |
| Luke P. Poland | 1867–1875 1883–1885 | Vermont | Republican | 1815–1887 |
| Bruce Poliquin | 2015–2019 | Maine | Republican | 1953–present |
| Jared Polis | 2009–2019 | Colorado | Democratic | 1975–present |
| Albert F. Polk | 1917–1919 | Delaware | Democratic | 1869–1955 |
| James G. Polk | 1931–1941 1949–1959 | Ohio | Democratic | 1896–1959 |
| James K. Polk | 1825–1839 | Tennessee | Democratic | 1795–1849 |
| Rufus King Polk | 1899–1902 | Pennsylvania | Democratic | 1866–1902 |
| William Hawkins Polk | 1851–1853 | Tennessee | Independent Democrat | 1815–1862 |
| Ernest M. Pollard | 1905–1909 | Nebraska | Republican | 1869–1939 |
| Henry Moses Pollard | 1877–1879 | Missouri | Republican | 1836–1904 |
| Howard Wallace Pollock | 1967–1971 | Alaska | Republican | 1920–2011 |
| James Pollock | 1844–1849 | Pennsylvania | Whig | 1810–1890 |
| Daniel Polsley | 1867–1869 | West Virginia | Republican | 1803–1877 |
| Richard Pombo | 1993–2007 | California | Republican | 1961–present |
| Charles Pomeroy | 1869–1871 | Iowa | Republican | 1825–1891 |
| Earl Pomeroy | 1993–2011 | North Dakota | Democratic | 1952–present |
| Theodore M. Pomeroy | 1861–1869 | New York | Republican | 1824–1905 |
| Mike Pompeo | 2011–2017 | Kansas | Republican | 1963–present |
| Benjamin Pond | 1811–1813 | New York | Democratic-Republican | 1768–1814 |
| Joe R. Pool | 1963–1968 | Texas | Democratic | 1911–1968 |
| Walter F. Pool | 1883 | North Carolina | Republican | 1850–1883 |
| Theodore L. Poole | 1895–1897 | New York | Republican | 1840–1900 |
| John Pope | 1837–1843 | Kentucky | Whig | 1770–1845 |
| Nathaniel Pope | 1817–1818 | Illinois | None | 1784–1850 |
| Patrick H. Pope | 1833–1835 | Kentucky | Democratic | 1806–1841 |
| Earley F. Poppleton | 1875–1877 | Ohio | Democratic | 1834–1899 |
| Albert G. Porter | 1859–1863 | Indiana | Republican | 1824–1897 |
| Charles H. Porter | 1870–1873 | Virginia | Republican | 1833–1897 |
| Charles O. Porter | 1957–1961 | Oregon | Democratic | 1919–2006 |
| Gilchrist Porter | 1851–1853 | Missouri | Whig | 1817–1894 |
| 1855–1857 | Oppositionist | |||
| Henry Kirke Porter | 1903–1905 | Pennsylvania | Independent Republican | 1840–1921 |
| James Porter | 1817–1819 | New York | Democratic-Republican | 1787–1839 |
| John Porter | 1806–1811 | Pennsylvania | Democratic-Republican | N/A |
| John Porter | 1980–2001 | Illinois | Republican | 1935–2022 |
| Jon Porter | 2003–2009 | Nevada | Republican | 1955–present |
| Katie Porter | 2019–2025 | California | Democratic | 1974–present |
| Peter A. Porter | 1907–1909 | New York | Independent Republican | 1853–1925 |
| Peter Buell Porter | 1809–1813 1815–1816 | New York | Democratic-Republican | 1773–1844 |
| Stephen G. Porter | 1911–1930 | Pennsylvania | Republican | 1869–1930 |
| Timothy H. Porter | 1825–1827 | New York | National Republican | 1785–1845 |
| Rob Portman | 1993–2005 | Ohio | Republican | 1955–present |
| Bill Posey | 2009–2025 | Florida | Republican | 1947–present |
| Francis B. Posey | 1889 | Indiana | Republican | 1848–1915 |
| Glenn Poshard | 1989–1999 | Illinois | Democratic | 1945–present |
| George Adams Post | 1883–1885 | Pennsylvania | Democratic | 1854–1925 |
| James D. Post | 1911–1915 | Ohio | Democratic | 1863–1921 |
| Jotham Post Jr. | 1813–1815 | New York | Federalist | 1771–1817 |
| Morton Everel Post | 1881–1885 | Wyoming | Democratic | 1840–1933 |
| Philip S. Post | 1887–1895 | Illinois | Republican | 1833–1895 |
| Charles Debrille Poston | 1864–1865 | Arizona | Republican | 1825–1902 |
| Allen Potter | 1875–1877 | Michigan | Democratic | 1818–1885 |
| Charles E. Potter | 1947–1952 | Michigan | Republican | 1916–1979 |
| Clarkson Nott Potter | 1869–1875 1877–1879 | New York | Democratic | 1825–1882 |
| Elisha Reynolds Potter | 1796–1797 1809–1815 | Rhode Island | Federalist | 1764–1835 |
| Elisha R. Potter | 1843–1845 | Rhode Island | Law and Order | 1811–1882 |
| Emery D. Potter | 1843–1845 1849–1851 | Ohio | Democratic | 1804–1896 |
| John F. Potter | 1857–1863 | Wisconsin | Republican | 1817–1899 |
| Orlando B. Potter | 1883–1885 | New York | Democratic | 1823–1894 |
| Robert Potter | 1829–1831 | North Carolina | Democratic | c. 1800–1842 |
| William Wilson Potter | 1837–1839 | Pennsylvania | Democratic | 1792–1839 |
| Emory B. Pottle | 1857–1861 | New York | Republican | 1815–1891 |
| David Potts Jr. | 1831–1839 | Pennsylvania | Anti-Masonic | 1794–1863 |
| David M. Potts | 1947–1949 | New York | Republican | 1906–1976 |
| Edward W. Pou | 1901–1934 | North Carolina | Democratic | 1863–1934 |
| Norris Poulson | 1943–1945 1947–1953 | California | Republican | 1895–1982 |
| Thaddeus C. Pound | 1877–1883 | Wisconsin | Republican | 1833–1914 |
| Adam Clayton Powell Jr. | 1945–1967 1969–1971 | New York | Democratic | 1908–1972 |
| Alfred H. Powell | 1825–1827 | Virginia | National Republican | 1781–1831 |
| Cuthbert Powell | 1841–1843 | Virginia | Whig | 1775–1849 |
| Joseph Powell | 1875–1877 | Pennsylvania | Democratic | 1828–1904 |
| Leven Powell | 1799–1801 | Virginia | Federalist | 1737–1810 |
| Paulus Powell | 1849–1859 | Virginia | Democratic | 1809–1874 |
| Samuel Powell | 1815–1817 | Tennessee | Democratic-Republican | 1776–1841 |
| Walter E. Powell | 1971–1975 | Ohio | Republican | 1931–2020 |
| Caleb Powers | 1911–1919 | Kentucky | Republican | 1869–1932 |
| D. Lane Powers | 1933–1945 | New Jersey | Republican | 1896–1968 |
| Gershom Powers | 1829–1831 | New York | Democratic | 1789–1831 |
| H. Henry Powers | 1891–1901 | Vermont | Republican | 1835–1913 |
| Llewellyn Powers | 1877–1879 1901–1908 | Maine | Republican | 1836–1908 |
| Samuel L. Powers | 1901–1905 | Massachusetts | Republican | 1848–1929 |
| Julien de Lallande Poydras | 1809–1811 | Orleans | None | 1740–1824 |
| C. Frederick Pracht | 1943–1945 | Pennsylvania | Republican | 1880–1950 |
| Anning Smith Prall | 1923–1935 | New York | Democratic | 1870–1937 |
| Charles Clarence Pratt | 1909–1911 | Pennsylvania | Republican | 1854–1916 |
| Eliza Jane Pratt | 1946–1947 | North Carolina | Democratic | 1902–1981 |
| Harcourt J. Pratt | 1925–1933 | New York | Republican | 1866–1934 |
| Harry H. Pratt | 1915–1919 | New York | Republican | 1864–1932 |
| Henry Otis Pratt | 1873–1877 | Iowa | Republican | 1838–1931 |
| James T. Pratt | 1853–1855 | Connecticut | Democratic | 1802–1887 |
| Joseph Marmaduke Pratt | 1944–1945 | Pennsylvania | Republican | 1891–1946 |
| Le Gage Pratt | 1907–1909 | New Jersey | Democratic | 1852–1911 |
| Ruth Baker Pratt | 1929–1933 | New York | Republican | 1877–1965 |
| Zadock Pratt | 1837–1839 1843–1845 | New York | Democratic | 1790–1871 |
| Charles Nelson Pray | 1907–1913 | Montana | Republican | 1868–1963 |
| John Holmes Prentiss | 1837–1841 | New York | Democratic | 1784–1861 |
| Seargent Smith Prentiss | 1838–1839 | Mississippi | Whig | 1808–1850 |
| Cyrus D. Prescott | 1879–1883 | New York | Republican | 1836–1902 |
| Larry Pressler | 1975–1979 | South Dakota | Republican | 1942–present |
| Francis Preston | 1793–1795 | Virginia | Anti-Administration | 1765–1835 |
| 1795–1797 | Democratic-Republican | |||
| Jacob Alexander Preston | 1843–1845 | Maryland | Whig | 1796–1868 |
| Prince Hulon Preston Jr. | 1947–1961 | Georgia | Democratic | 1908–1961 |
| William Preston | 1852–1855 | Kentucky | Whig | 1816–1887 |
| William Ballard Preston | 1847–1849 | Virginia | Whig | 1805–1862 |
| L. Richardson Preyer | 1969–1981 | North Carolina | Democratic | 1919–2001 |
| Andrew Price | 1889–1897 | Louisiana | Democratic | 1854–1909 |
| Bob Price | 1967–1975 | Texas | Republican | 1927–2004 |
| David Price | 1987–1995 1997–2023 | North Carolina | Democratic | 1940–present |
| Emory H. Price | 1943–1949 | Florida | Democratic | 1899–1976 |
| Hiram Price | 1863–1869 1877–1881 | Iowa | Republican | 1814–1901 |
| Hugh H. Price | 1887 | Wisconsin | Republican | 1859–1904 |
| Jesse Price | 1914–1919 | Maryland | Democratic | 1863–1939 |
| Melvin Price | 1945–1988 | Illinois | Democratic | 1905–1988 |
| Rodman M. Price | 1851–1853 | New Jersey | Democratic | 1816–1894 |
| Sterling Price | 1845–1846 | Missouri | Democratic | 1809–1867 |
| Thomas L. Price | 1862–1863 | Missouri | Democratic | 1809–1870 |
| Tom Price | 2005–2017 | Georgia | Republican | 1954–present |
| William P. Price | 1870–1873 | Georgia | Democratic | 1835–1908 |
| William T. Price | 1883–1886 | Wisconsin | Republican | 1824–1886 |
| Auburn Pridemore | 1877–1879 | Virginia | Democratic | 1837–1900 |
| Percy Priest | 1941–1956 | Tennessee | Democratic | 1900–1956 |
| Charles H. Prince | 1868–1869 | Georgia | Republican | 1837–1912 |
| George W. Prince | 1895–1913 | Illinois | Republican | 1854–1939 |
| William Prince | 1823–1824 | Indiana | Democratic-Republican | 1772–1824 |
| Elizur H. Prindle | 1871–1873 | New York | Republican | 1829–1890 |
| Joseph C. Pringey | 1921–1923 | Oklahoma | Republican | 1858–1935 |
| Benjamin Pringle | 1853–1855 | New York | Whig | 1807–1887 |
| 1855–1857 | Oppositionist | |||
| George M. Pritchard | 1929–1931 | North Carolina | Republican | 1886–1955 |
| Joel Pritchard | 1973–1985 | Washington | Republican | 1925–1997 |
| George H. Proffit | 1839–1843 | Indiana | Whig | 1807–1847 |
| Stanley A. Prokop | 1959–1961 | Pennsylvania | Democratic | 1909–1977 |
| William Farrand Prosser | 1869–1871 | Tennessee | Republican | 1834–1911 |
| Solomon F. Prouty | 1911–1915 | Iowa | Republican | 1854–1927 |
| Winston L. Prouty | 1951–1959 | Vermont | Republican | 1906–1971 |
| John V. L. Pruyn | 1863–1865 1867–1869 | New York | Democratic | 1811–1877 |
| Deborah Pryce | 1993–2009 | Ohio | Republican | 1951–present |
| David Pryor | 1966–1973 | Arkansas | Democratic | 1934–2024 |
| Luke Pryor | 1883–1885 | Alabama | Democratic | 1820–1900 |
| Roger Atkinson Pryor | 1859–1861 | Virginia | Democratic | 1828–1919 |
| Roman Pucinski | 1959–1973 | Illinois | Democratic | 1919–2002 |
| James L. Pugh | 1859–1861 | Alabama | Democratic | 1820–1907 |
| John Pugh | 1805–1809 | Pennsylvania | Democratic-Republican | 1761–1842 |
| John H. Pugh | 1877–1879 | New Jersey | Republican | 1827–1905 |
| Samuel Johnson Pugh | 1895–1901 | Kentucky | Republican | 1850–1922 |
| Cornelius Amory Pugsley | 1901–1903 | New York | Democratic | 1850–1936 |
| Jacob J. Pugsley | 1887–1891 | Ohio | Republican | 1838–1920 |
| Arsène Pujo | 1903–1913 | Louisiana | Democratic | 1861–1939 |
| Joseph Pulitzer | 1885–1886 | New York | Democratic | 1847–1911 |
| Graham B. Purcell Jr. | 1962–1973 | Texas | Democratic | 1919–2011 |
| Meade Purdy | 1843–1845 | New York | Democratic | 1796–1870 |
| William J. Purman | 1873–1875 1875–1877 | Florida | Republican | 1840–1928 |
| Fred S. Purnell | 1917–1933 | Indiana | Republican | 1882–1939 |
| Carl Pursell | 1977–1993 | Michigan | Republican | 1932–2009 |
| Samuel Anderson Purviance | 1855–1857 | Pennsylvania | Oppositionist | 1809–1882 |
| 1857–1859 | Republican | |||
| Samuel D. Purviance | 1803–1805 | North Carolina | Federalist | 1774–1806 |
| Richard Clauselle Puryear | 1853–1855 | North Carolina | Whig | 1801–1867 |
| 1855–1857 | American | |||
| William Henry Mills Pusey | 1883–1885 | Iowa | Democratic | 1826–1900 |
| Adam Putnam | 2001–2011 | Florida | Republican | 1974–present |
| Harvey Putnam | 1838–1839 1847–1851 | New York | Whig | 1793–1855 |