United States senators from Colorado

Gary Warren Hart (born Gary Warren Hartpence; November 28, 1936) is an American politician, diplomat, and lawyer. He was the front-runner for the 1988 Democratic presidential nomination until he dropped out amid revelations of extramarital affairs. He represented Colorado in the United States Senate from 1975 to 1987.

Horace Austin Warner ("Haw") Tabor (November 26, 1830 – April 10, 1899), also known as The Bonanza King of Leadville, was an American prospector, businessman, and Republican politician. His life is the subject of Douglas Moore's opera, The Ballad of Baby Doe; and the 1932 Hollywood biographical movie: Silver Dollar. Also, Graham Masterton's 1987 novel Silver has a protagonist named Henry T. Roberts, whose life includes incidents from Tabor's.

Kenneth Lee Salazar (born March 2, 1955) is an American politician who served as the 50th United States Secretary of the Interior in the administration of President Barack Obama from 2009 to 2013. A member of the Democratic Party, he previously was a United States Senator from Colorado from 2005 to 2009. He and Mel Martinez (R-Florida) were the first Hispanic U.S. Senators since 1977; they were joined by Bob Menendez (D-New Jersey) in 2006. Prior to his election to the U.S. Senate, he served as Attorney General of Colorado from 1999 to 2005.

Ben Nighthorse Campbell (born April 13, 1933) is an American Cheyenne politician who represented Colorado's 3rd congressional district in the United States House of Representatives from 1987 to 1993 and was a United States Senator from Colorado from 1993 to 2005. He serves as one of 44 members of the Council of Chiefs of the Northern Cheyenne Indian Tribe. During his time in office, he was the only Native American serving in Congress. He was the last Native American elected to the U.S. Senate until the 2022 election of Cherokee Markwayne Mullin.

Michael Te Arawa Bennett is a New Zealand writer and director for film and television

John Wright Hickenlooper Jr. (born February 7, 1952) is an American politician, businessman, and petroleum geologist who was the 42nd governor of Colorado from 2011 to 2019. He is a member of the Democratic Party. In 2019, Hickenlooper campaigned for the 2020 Democratic nomination for the president of the United States but dropped out before any primaries were held. He subsequently announced his candidacy for the United States Senate in 2020 to challenge one-term incumbent Republican Cory Gardner. In the June 30 primary, Hickenlooper defeated former state representative Andrew Romanoff to become the Democratic nominee.

Cory Scott Gardner (born August 22, 1974) is an American lawyer and politician serving as the junior United States Senator for Colorado since 2015. A Republican, he was the U.S. Representative for Colorado's 4th congressional district from 2011 to 2015 and a member of the Colorado House of Representatives from 2005 to 2011.

Charles Winfield Waterman (November 2, 1861 – August 27, 1932) was a Colorado attorney and politician. He is most notable for his service as a United States Senator from Colorado.

John Franklin Shafroth (June 9, 1854 – February 20, 1922) was a representative, member of the United States Senate, and Governor of Colorado.

Eugene Donald Millikin (February 12, 1891 – July 26, 1958) was a United States Senator from Colorado who served as Senate Republican Conference Chairperson from 1947 to 1956.