Following is a list of justices of the Iowa Supreme Court. [1]
| Judge | County | Began active service | Ended active service |
|---|---|---|---|
| Austin Adams | Dubuque | January 1, 1876 | December 31, 1887 |
| Elma G. Albert | Greene | January 1, 1925 | December 31, 1936 |
| Robert G. Allbee | Polk | July 18, 1978 | June 30, 1982 |
| John W. Anderson | Woodbury | January 1, 1933 | December 31, 1938 |
| James H. Andreasen | Kossuth | November 13, 1987 | October 1, 1998 |
| Brent R. Appel | Warren | October 16, 2006 | July 13, 2022 |
| Thomas Arthur | Harrison | September 15, 1920 | September 14, 1925 |
| David L. Baker | Linn | April 4, 2008 | December 31, 2010 |
| Caleb Baldwin | Pottawattamie | January 11, 1860 | December 31, 1863 |
| Joseph M. Beck | Lee | January 1, 1868 | December 31, 1891 |
| Francis H. Becker | Dubuque | September 20, 1965 | March 31, 1972 |
| Charles A. Bishop | Polk | July 2, 1902 | July 9, 1908 |
| William L. Bliss | Cerro Gordo | September 27, 1932 January 1, 1939 | December 5, 1932 April 16, 1962 |
| Mark Cady | Webster | October 6, 1998 | November 16, 2019 |
| James H. Carter | Linn | August 14, 1982 | October 16, 2006 |
| Susan Christensen | Shelby | September 4, 2018 | Incumbent |
| George C. Claussen | Clinton | October 21, 1932 April 17, 1933 | December 4, 1932 December 3, 1934 |
| Chester C. Cole | Polk | March 1, 1864 | January 19, 1876 |
| James G. Day | Fremont | September 1, 1870 | December 31, 1883 |
| Horace E. Deemer | Montgomery | May 8, 1894 | February 26, 1917 |
| Lawrence De Graff | Polk | January 1, 1921 | December 31, 1932 |
| John Forrest Dillon | Scott | January 1, 1864 | December 31, 1869 |
| Maurice F. Donegan | Scott | January 1, 1933 | December 31, 1938 |
| William D. Evans | Franklin | September 17, 1908 | December 31, 1934 |
| Frederick F. Faville | Webster | January 1, 1921 | December 31, 1932 |
| Theodore G. Garfield | Story | January 1, 1941 | November 2, 1969 |
| Harry F. Garrett | Wayne | December 15, 1958 | December 31, 1960 |
| Frank R. Gaynor | Plymouth | January 1, 1913 | August 3, 1920 |
| Josiah Given | Polk | March 12, 1889 | December 31, 1901 |
| Charles T. Granger | Allamakee | January 1, 1889 | December 31, 1900 |
| George Greene | Dubuque | November 1, 1847 | January 9, 1855 |
| John M. Grimm | Linn | February 1, 1929 | September 15, 1932 |
| Oscar Hale | Louisa | January 1, 1939 | December 9, 1950 |
| Jonathan C. Hall | Des Moines | February 15, 1854 | January 15, 1855 |
| Wilson H. Hamilton | Keokuk | January 1, 1935 | December 31, 1940 |
| K. David Harris | Greene | January 11, 1972 | July 29, 1999 |
| Serranus Clinton Hastings | Muscatine | January 26, 1848 | January 14, 1849 |
| Norman R. Hays | Marion | October 3, 1946 | August 31, 1965 |
| Daryl Hecht | Woodbury | August 1, 2006 | December 13, 2018 |
| Norman W. Isbell | Linn | January 16, 1855 | June 2, 1856 |
| John F. Kinney | Lee | June 12, 1847 | February 15, 1854 |
| James W. Kindig | Woodbury | April 30, 1927 | December 31, 1934 |
| La Vega G. Kinne | Tama | January 1, 1892 | December 31, 1897 |
| John W. Kintzinger | Dubuque | January 1, 1933 | December 31, 1938 |
| Scott M. Ladd | O'Brien | January 1, 1897 | December 31, 1920 |
| Jerry L. Larson | Shelby | September 1, 1978 | May 31, 2008 |
| Robert L. Larson | Johnson | February 3, 1953 | April 1, 1971 |
| Louis A. Lavorato | Polk | February 12, 1986 | September 30, 2006 |
| Clay LeGrand | Scott | July 5, 1967 | February 26, 1983 |
| Luke E. Linnan | Kossuth | September 3, 1958 | December 15, 1958 |
| Ralph P. Lowe | Lee | January 12, 1860 | December 31, 1867 |
| Edward Mansfield | Polk | February 23, 2011 | Incumbent |
| Halleck J. Mantz | Audubon | January 1, 1943 | January 1, 1953 |
| Charles Mason | Des Moines | December 28, 1846 [2] | June 11, 1847 [3] |
| M. L. Mason | Cerro Gordo | July 19, 1965 | June 14, 1978 |
| David N. May | Polk | July 27, 2022 | Incumbent |
| Emlin McClain | Johnson | January 1, 1901 | December 31, 1912 |
| Mark McCormick | Polk | April 12, 1972 | January 31, 1986 |
| Matthew McDermott | Polk | April 3, 2020 | Incumbent |
| Christopher McDonald | Polk | February 20, 2019 | Incumbent |
| Arthur A. McGiverin | Wapello | August 15, 1978 | November 9, 2000 |
| William E. Miller | Johnson | September 14, 1870 | December 31, 1875 |
| Frederic M. Miller | Polk | January 1, 1939 | September 30, 1946 |
| Ernest M. Miller | Shelby | December 27, 1937 | December 13, 1938 |
| Richard F. Mitchell | Webster | December 6, 1932 | December 31, 1942 |
| C. Edwin Moore | Polk | April 17, 1962 | August 2, 1978 |
| Edgar A. Morling | Palo Alto | October 1, 1925 | October 15, 1932 |
| John E. Mulroney | Webster | January 1, 1943 | October 11, 1955 |
| Linda K. Neuman | Scott | August 4, 1986 | July 11, 2003 |
| Dana Oxley | Linn | January 28, 2020 | Incumbent |
| Ralph A. Oliver | Woodbury | December 14, 1938 | October 1, 1962 |
| James M. Parsons | Polk | January 1, 1935 | December 16, 1937 |
| Henry K. Peterson | Pottawattamie | November 3, 1955 | June 30, 1965 |
| Leon W. Powers | Crawford | December 4, 1934 | February 14, 1936 |
| Byron W. Preston | Mahaska | January 1, 1913 | December 31, 1924 |
| Maurice E. Rawlings | Woodbury | July 19, 1965 | August 17, 1978 |
| Joseph Rea Reed | Pottawattamie | January 1, 1884 | February 28, 1889 |
| Warren J. Rees | Jones | November 13, 1969 | August 2, 1980 |
| W. Ward Reynoldson | Clarke | May 1, 1971 | October 1, 1987 |
| Paul W. Richards | Montgomery | January 1, 1935 | December 31, 1940 |
| Gifford S. Robinson | Buena Vista | January 1, 1888 | December 31, 1889 |
| James H. Rothrock | Cedar | February 24, 1876 | December 31, 1896 |
| Edward A. Sager | Bremer | January 1, 1937 | December 31, 1942 |
| Benjamin I. Salinger | Carroll | January 1, 1915 | December 31, 1920 |
| Louis W. Schultz | Johnson | August 19, 1980 | September 6, 1993 |
| William H. Seevers | Mahaska | February 27, 1876 | December 31, 1888 |
| John Sherwin | Cerro Gordo | January 1, 1900 | December 31, 1912 |
| William A. Smith | Dubuque | January 1, 1943 | June 10, 1958 |
| Bruce M. Snell Jr. | Ida | October 8, 1987 | August 18, 2001 |
| Bruce M. Snell | Ida | January 1, 1961 | March 4, 1970 |
| Truman S. Stevens | Fremont | May 1, 1917 | December 31, 1934 |
| Carl B. Stiger | Tama | February 15, 1936 | December 31, 1942 |
| Lacon D. Stockton | Des Moines | June 3, 1856 | June 9, 1860 |
| Michael Streit | Lucas | August 19, 2001 | December 31, 2010 |
| William Corwin Stuart | Lucas | October 15, 1962 | November 8, 1971 |
| Marsha Ternus | Polk | September 7, 1993 | December 31, 2010 |
| G. King Thompson | Linn | January 1, 1951 | June 30, 1965 |
| T. Eugene Thornton | Black Hawk | January 1, 1959 | May 9, 1967 |
| Harvey Uhlenhopp | Franklin | March 10, 1970 | May 22, 1986 |
| Hubert Utterback | Polk | December 5, 1932 | April 16, 1933 |
| Charles W. Vermillion | Appanoose | November 15, 1923 | September 3, 1927 |
| Henry F. Wagner | Keokuk | September 6, 1927 | December 31, 1932 |
| Charles M. Waterman | Scott | January 1, 1898 | June 18, 1902 |
| Thomas D. Waterman | Scott | February 23, 2011 | Incumbent |
| Silas M. Weaver | Hardin | January 1, 1902 | November 6, 1923 |
| Charles F. Wennerstrum | Lucas | January 1, 1941 | December 31, 1958 |
| David Wiggins | Polk | October 7, 2003 | March 13, 2020 |
| Joseph Williams | Muscatine | December 28, 1846 [2] January 15, 1849 | January 25, 1848 January 11, 1855 |
| Elias Hewitt Williams | Clayton | January 18, 1870 | September 14, 1870 |
| Thomas Stokeley Wilson | Dubuque | December 28, 1846 [2] | October 31, 1847 |
| Winfield S. Withrow | Henry | April 19, 1913 | December 31, 1914 |
| Charles R. Wolle | Woodbury | March 11, 1983 | August 12, 1987 |
| William G. Woodward | Muscatine | January 9, 1855 | January 11, 1860 |
| George G. Wright | Van Buren | January 5, 1855 June 26, 1860 | January 11, 1860 September 1, 1870 |
| Bruce B. Zager | Black Hawk | February 23, 2011 | September 3, 2018 |