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.<br/>New member elected April 18, 1961 to finish her husband's term.<br/>Democratic hold. | nowrap |
|- ! | Stewart Udall | | Democratic | 1954 | | Incumbent resigned January 18, 1961, to become U.S Secretary of the Interior.<br/>New member elected May 2, 1961.<br/>Democratic hold. | nowrap |
|- ! | Walter M. Mumma | | Republican | 1952 | | Incumbent died February 25, 1961.<br/>New member elected May 16, 1961.<br/> Republican hold. | nowrap |
|- ! | B. Carroll Reece | | Republican | 1950 | | Incumbent died March 19, 1961.<br/>New member elected May 16, 1961.<br/>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.<br/>New member elected November 4, 1961.<br/>Democratic hold. | nowrap |
|- ! | Thaddeus M. Machrowicz | | Democratic | 1950 | | Incumbent resigned September 18, 1961, to become a U.S. District Court judge.<br/>New member elected November 7, 1961.<br/>Democratic hold. | nowrap |
|- ! | Overton Brooks | | Democratic | 1936 | | Incumbent died September 16, 1961.<br/>New member elected December 19, 1961.<br/>Democratic hold. | nowrap |