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.<br/>New member elected January 15, 1913, having already been elected to the next term.<br/>Democratic hold. | nowrap |
|- ! | John W. Weeks | | Republican | 1902 | | Incumbent resigned March 4, 1913, when elected U.S. Senator.<br/>New member elected April 15, 1913.<br/>Democratic gain. | nowrap |
|- ! | Albert S. Burleson | | Democratic | 1898 | | Incumbent resigned March 6, 1913 to become U.S. Postmaster General.<br/>New member elected April 15, 1913.<br/>Democratic hold. | nowrap |
|- ! | George S. Legaré | | Democratic | 1902 | | Incumbent member-elect died January 31, 1913.<br/>New member elected April 29, 1913.<br/>Democratic hold. | nowrap |
|- ! | Lewis J. Martin | | Democratic | 1912 | | Incumbent died May 5, 1913.<br/>New member elected July 22, 1913.<br/>Democratic hold. | nowrap |
|- ! | Forrest Goodwin | | Republican | 1912 | | Incumbent died May 28, 1913.<br/>New member elected September 9, 1913.<br/>Republican hold. | nowrap |
|- ! | John W. Davis | | Democratic | 1910 | | Incumbent resigned August 29, 1913 to become U.S. Solicitor General.<br/>New member elected October 14, 1913.<br/>Democratic hold. | nowrap |
|- ! | Seaborn Roddenbery | | Democratic | 1910 | | Incumbent died September 25, 1913.<br/>New member elected November 4, 1913.<br/>Democratic hold. | nowrap |
|- ! | George Konig | | Democratic | 1910 | | Incumbent died May 31, 1913.<br/>New member elected November 4, 1913.<br/>Democratic hold. | nowrap |
|- ! | William Wilder | | Republican | 1910 | | Incumbent died September 11, 1913.<br/>New member elected November 4, 1913.<br/>Republican hold. | nowrap |
|- ! | Timothy Sullivan | | Democratic | 1902<br/>1903 <br/>1912 | | Incumbent died August 31, 1913.<br/>New member elected November 4, 1913.<br/>Democratic hold. | nowrap |
|- ! | Francis B. Harrison | | Democratic | 1902<br/>1904 <br/>1906 | | Incumbent resigned September 1, 1913 to become Governor-General of the Philippines.<br/>New member elected November 4, 1913.<br/>Democratic hold. | nowrap |