The following are members of the United States House of Representatives who switched parties while serving in Congress.
|Representative||State||District||Date||Congress||Old party||New party||Notes|
|Galusha A. Grow||Pennsylvania||14th||February–June 1856||34th||Democratic||Republican||He switched parties in the wake of President Pierce's signing of the Kansas–Nebraska Act.|
|Franklin D. Roosevelt Jr.||New York||20th||January 3, 1951||82nd||Liberal||Democratic||Roosevelt was re-elected as a Democrat.|
|Albert Watson||South Carolina||2nd||February–June 1965||90th||Democratic||Republican||Watson resigned his seat as a Democrat on February 1, 1965, and then won a special election as a Republican on June 15, 1965.|
|Ogden Reid||New York||26th||March 22, 1972||92nd||Republican||Democratic|
|Donald W. Riegle||Michigan||7th||February 27, 1973||93rd||Republican||Democratic|
|John Jarman||Oklahoma||5th||January 24, 1975||94th||Democratic||Republican|
|Eugene Atkinson||Pennsylvania||25th||October 14, 1981||97th||Democratic||Republican|
|Bob Stump||Arizona||3rd||July 1982||97th||Democratic||Republican|
|Phil Gramm||Texas||6th||January/February 1983||98th||Democratic||Republican||Gramm resigned his seat as a Democrat on January 5, 1983, and then won a special election as a Republican on February 12, 1983.|
|Andy Ireland||Florida||10th||July 5, 1984||98th||Democratic||Republican|
|William Carney||New York||1st||October 7, 1985||99th||Conservative||Republican|
|James W. Grant||Florida||2nd||February 21, 1989||101st||Democratic||Republican|
|Tommy F. Robinson||Arkansas||2nd||July 28, 1989||101st||Democratic||Republican|
|Nathan Deal||Georgia||9th||April 10, 1995||104th||Democratic||Republican|
|Greg Laughlin||Texas||14th||June 26, 1995||104th||Democratic||Republican|
|Billy Tauzin||Louisiana||3rd||August 8, 1995||104th||Democratic||Republican|
|Michael Parker||Mississippi||4th||November 10, 1995||104th||Democratic||Republican|
|Jo Ann Emerson||Missouri||8th||January 3, 1997||105th||Republican||Independent||Emerson was re-elected to a full term as an independent after running under that designation to comply with Missouri's electoral law.|
|January 8, 1997||Independent||Republican|
|Michael Forbes||New York||1st||July 17, 1999||106th||Republican||Democratic|
|Virgil Goode||Virginia||5th||January 27, 2000||106th||Democratic||Independent|
|Matthew G. Martinez||California||31st||July 27, 2000||106th||Democratic||Republican|
|Virgil Goode||Virginia||5th||August 1, 2002||107th||Independent||Republican|
|Ralph Hall||Texas||4th||January 5, 2004||108th||Democratic||Republican|
|Rodney Alexander||Louisiana||5th||August 9, 2004||108th||Democratic||Republican|
|Parker Griffith||Alabama||5th||December 22, 2009||111th||Democratic||Republican|
|Justin Amash||Michigan||3rd||July 4, 2019||116th||Republican||Libertarian||Amash became an Independent on July 4, 2019, and then a Libertarian on April 29, 2020.|
|Jeff Van Drew||New Jersey||2nd||December 19, 2019||116th||Democratic||Republican||Van Drew switched parties in the wake of the 2019 impeachment trial, which he was not in favor of.|
|Paul Mitchell||Michigan||10th||December 14, 2020||116th||Republican||Independent|
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