The Arapaho are a tribe of Native Americans who originally lived in what is now eastern Colorado and Wyoming.

Arapaho or Arapahoe may also refer to: Arapahoe Tribe of the Wind River Reservation, federally recognized tribe of Northern Arapaho in Wyoming Cheyenne and Arapaho Tribes, federally recognized tribe of Southern Arapaho in Oklahoma Arapaho language

Places Arapahoe at Village Center (RTD), a transit station in Greenwood Village, Colorado Arapahoe Basin, a ski area in Colorado Arapaho Center station (Dallas Area Rapid Transit), a transit station in Richardson, Texas Arapahoe, Colorado, an unincorporated town Arapahoe County, Colorado Arapahoe Creek, a tributary of the Nodaway River in northwestern Missouri Arapahoe, Nebraska, a small city Arapahoe, North Carolina, a small town on the eastern coast of North Carolina on the Neuse River Arapaho, Oklahoma, county seat of Custer County, Oklahoma Arapahoe, Wyoming, a town on the Wind River Indian Reservation, home to the Northern Arapahoe Tribe

Transportation , a sloop-of-war or frigate which was never constructed, being canceled in 1866 , a tugboat launched on 20 June 1914 , a tugboat laid down on 8 November 1941 at Charleston, South Carolina Piper PA-40 Arapaho, a replacement for the Piper PA-39 Twin-Comanche C/R. Only three built, project cancelled Bell ARH-70 Arapaho, a light military helicopter designed for the United States Army's Armed Reconnaissance Helicopter (ARH) program.

Other The "Arapaho" project, referring to the PCI Express computer expansion card interface format

See also Arapaha, a Timucua town in Spanish Florida