List of Famous people born in Colorado, United States of America

Alphonse A. Burnand, Jr. was an American sailor who competed in the 1932 Summer Olympics.

Margo Hayes is an American professional rock climber from Boulder, Colorado. She is known for being the first woman to climb a route graded 9a+ (5.15a). In 2016, she won both the Bouldering and Lead Climbing events at the World Youth Championships in Guangzhou (China).

Amy Lee, known professionally as Ailee, is a Korean-American singer and songwriter based in South Korea. Amassing digital sales success in South Korea, she has released two studio albums, five extended plays, twenty one singles, six of which charted within the top five of the Gaon Digital Chart.

Ken Curtis was an American singer and actor best known for his role as Festus Haggen on the CBS western television series Gunsmoke. Although he appeared on Gunsmoke earlier in other roles, he was first cast as Festus in season 8 episode 13, December 8, 1962 "Us Haggens". His next appearance was Season 9, episode 2, October 5, 1963 as Kyle Kelly, in "Lover Boy". Curtis joined the cast of Gunsmoke permanently as Festus in "Prairie Wolfer", season 9 episode 16, January 18, 1964.

Edward Patrick Francis Eagan was an American boxer and bobsledder who is notable as being the only person to win a gold medal at both the Summer and Winter Olympic Games in different disciplines. Eagan won his summer gold in boxing and his winter gold in four-man bobsled. Finally, Eagan is one of the few athletes who have competed in both the Summer and Winter Olympic games.

Gordon Mitchell was an American actor and bodybuilder who made about 200 B movies.

Lamar Gant is an American world record-holding powerlifter. He competed with idiopathic scoliosis. He was inducted into the International Powerlifting Federation Hall of Fame in 1980.

Lawrence Henry Gipson was an American historian, who won the 1950 Bancroft Prize and the 1962 Pulitzer Prize for History for volumes of his magnum opus, the fifteen-volume history of "The British Empire Before the American Revolution", published 1936–70. He was a leader of the "Imperial school" of historians who studied the British Empire from the perspective of London, and generally praised the administrative efficiency and political fairness of the Empire.

David Packard was an American electrical engineer and co-founder, with Bill Hewlett, of Hewlett-Packard (1939), serving as president (1947–64), CEO (1964–68), and Chairman of the Board of HP. He served as U.S. Deputy Secretary of Defense from 1969 to 1971 during the Nixon administration. Packard served as President of the Uniformed Services University of the Health Sciences (USU) from 1976 to 1981 and chairman of its Board of Regents from 1973 to 1982. He was a member of the Trilateral Commission. Packard was the recipient of the Presidential Medal of Freedom in 1988 and is noted for many technological innovations and philanthropic endeavors.

Thomas Joel Bopp was an American amateur astronomer. In 1995, he discovered comet Hale–Bopp; Alan Hale discovered it independently at almost the same time, and it was thus named after both of them. At the time of the comet discovery he was a manager at a construction materials factory and an amateur astronomer. On the night of July 22, Bopp was observing the sky with friends in the Arizona desert when he made the discovery. It was the first comet he had observed and he was using a borrowed, home-built telescope.