The 1876–77 United States House of Representatives elections were held on various dates in various states between June 5, 1876, and March 13, 1877. Each state set its own date for its elections to the House of Representatives before the first session of the 45th United States Congress convened on October 15, 1877. The size of the House increased to 293 seats with the addition of the new state of Colorado.

The 1874–75 United States House of Representatives elections were held on various dates in various states between June 1, 1874, and September 7, 1875. Each state set its own date for its elections to the House of Representatives before the first session of the 44th United States Congress convened on December 6, 1875. Elections were held for all 292 seats, representing 37 states.