There were seven special elections to the United States House of Representatives in 1961, during 87th United States Congress.
|-! | William F. Norrell| | Democratic| 1938| | Incumbent died February 15, 1961.
New member elected April 18, 1961 to finish her husband's term.
Democratic hold.| nowrap |
|-! | Stewart Udall| | Democratic| 1954| | Incumbent resigned January 18, 1961, to become U.S Secretary of the Interior.
New member elected May 2, 1961.
Democratic hold.| nowrap |
|-! | Walter M. Mumma| | Republican| 1952| | Incumbent died February 25, 1961.
New member elected May 16, 1961.
Republican hold.| nowrap |
|-! | B. Carroll Reece| | Republican| 1950| | Incumbent died March 19, 1961.
New member elected May 16, 1961.
Republican hold.| nowrap |
|-! | Paul J. Kilday| | Democratic| 1938| | Incumbent resigned September 24, 1961, to become judge of U.S. Court of Appeals for the Armed Forces.
New member elected November 4, 1961.
Democratic hold.| nowrap |
|-! | Thaddeus M. Machrowicz| | Democratic| 1950| | Incumbent resigned September 18, 1961, to become a U.S. District Court judge.
New member elected November 7, 1961.
Democratic hold.| nowrap |
|-! | Overton Brooks| | Democratic| 1936| | Incumbent died September 16, 1961.
New member elected December 19, 1961.
Democratic hold.| nowrap |
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