Margaret Behan (born 1948), Arapaho-Cheyenne spiritual elder
Sherman Coolidge (Runs-on-Top) (1862–1932) Episcopal minister and educator in the Wind River community who was a founding member of the Society of American Indians.
Mirac Creepingbear (1947–1990), Arapaho–Kiowa painter
Chris Eyre - Cheyenne and Arapaho, director of Smoke Signals and Skins.
Viola Hatch (born 1930), Arapaho activist
Chief Little Raven (c. 1810–1889), negotiated peace between the Southern Arapaho and Cheyenne and the Comanche, Kiowa, and Plains Apache. He secured rights to the Cheyenne–Arapaho Reservation in Indian Territory.
Chief Niwot (c. 1825–1864), led a band in Northern Colorado and died from wounds sustained during the Sand Creek Massacre.
Carl Sweezy (1881–1953), early professional Native American easel artist