John Andrew Martin was an American journalist, attorney, soldier, and politician, who represented Colorado in the U.S. House of Representatives for two terms from 1909 to 1913, then three more terms from 1933 to 1939.

The 1914 United States Senate election in Colorado took place on November 3, 1914. It was the first direct U.S. Senate election in Colorado following the ratification of the Seventeenth Amendment. Incumbent U.S. Senator Charles S. Thomas, a Democrat, who was first elected by the state legislature to fill a vacancy in 1913, ran for re-election to a full term.