There were twelve special elections to the United States House of Representatives in 1913, during the 62nd United States Congress and 63rd United States Congress.
|-! | Joseph T. Robinson| | Democratic| 1902| | Incumbent resigned January 14, 1913 to become Governor of Arkansas.
New member elected January 15, 1913, having already been elected to the next term.
Democratic hold.| nowrap |
|}
|-! | John W. Weeks| | Republican| 1902| | Incumbent resigned March 4, 1913, when elected U.S. Senator.
New member elected April 15, 1913.
Democratic gain.| nowrap |
|-! | Albert S. Burleson| | Democratic| 1898| | Incumbent resigned March 6, 1913 to become U.S. Postmaster General.
New member elected April 15, 1913.
Democratic hold.| nowrap |
|-! | George S. Legaré| | Democratic| 1902| | Incumbent member-elect died January 31, 1913.
New member elected April 29, 1913.
Democratic hold.| nowrap |
|-! | Lewis J. Martin| | Democratic| 1912| | Incumbent died May 5, 1913.
New member elected July 22, 1913.
Democratic hold.| nowrap |
|-! | Forrest Goodwin| | Republican| 1912| | Incumbent died May 28, 1913.
New member elected September 9, 1913.
Republican hold.| nowrap |
|-! | John W. Davis| | Democratic| 1910| | Incumbent resigned August 29, 1913 to become U.S. Solicitor General.
New member elected October 14, 1913.
Democratic hold.| nowrap |
|-! | Seaborn Roddenbery| | Democratic| 1910 | | Incumbent died September 25, 1913.
New member elected November 4, 1913.
Democratic hold.| nowrap |
|-! | George Konig| | Democratic| 1910| | Incumbent died May 31, 1913.
New member elected November 4, 1913.
Democratic hold.| nowrap |
|-! | William Wilder| | Republican| 1910| | Incumbent died September 11, 1913.
New member elected November 4, 1913.
Republican hold.| nowrap |
|-! | Timothy Sullivan| | Democratic| 1902
1903
1912| | Incumbent died August 31, 1913.
New member elected November 4, 1913.
Democratic hold.| nowrap |
|-! | Francis B. Harrison| | Democratic| 1902
1904
1906| | Incumbent resigned September 1, 1913 to become Governor-General of the Philippines.
New member elected November 4, 1913.
Democratic hold.| nowrap |
|}