Buckeye may refer to:
Relating to the US state of Ohio
Buckeye (nickname), a nickname for residents of the U.S. state of Ohio, the "buckeye state" Ohio State Buckeyes, the intercollegiate athletic teams of the Ohio State University Brutus Buckeye, the mascot of the Ohio State University Aesculus glabra, also known as the Ohio buckeye, Ohio's state tree Cleveland Buckeyes, a Negro league baseball franchise, 1942–1950 Buckeyes, the athletic teams of Nelsonville-York High School, Nelsonville, Ohio
Arts and media "Buckeye", a song by Lamb of God on the 1999 album Burn the Priest Buckeye (novel), a 2025 novel by Patrick Ryan Nathan "Buckeye" Heywood or Citizen Steel, a DC Comics character
Businesses Buckeye Broadband, a cable company Buckeye Industries, an American aircraft manufacturer Buckeye Partners, a petroleum distributor based in Texas, US Buckeye Steel Castings, a former steelmaker in Columbus, Ohio
Places
Buckeye, Arizona Buckeye, California (disambiguation) Buckeye, Colorado Buckeye, Indiana Buckeye, Iowa Buckeye, Kansas Buckeye, Kentucky Buckeye, Missouri Buckeye Township (disambiguation) Buckeye, Washington Buckeye, West Virginia Buckeye, Ohio, which also houses the "Buckeye Furnace" and the Buckeye Furnace Covered Bridge Buckeye Lake, Ohio Buckeye Trail, a long-distance trail in Ohio Buckeye–Shaker, a neighborhood of Cleveland, Ohio
Science and technology Biology Buckeye (tree), several tree species of the genus Aesculus Buckeye chicken, a breed of chicken originating in Ohio Buckeye rot of tomato Junonia coenia, also called buckeye, a butterfly in the family Nymphalidae found in the United States and Canada
Other uses in science and technology Buckeye coupler, a railway car coupler North American T-2 Buckeye, an aircraft Buckeye system, operational airborne surveying system
Other uses Buckeye candy, a peanut butter and chocolate candy resembling the nut of a buckeye tree Buckeye Division, or 37th Infantry Division, of the US Army Garland Buckeye (1897–1975), former professional football and baseball player USS Buckeye (AN-13/YN-8), Aloe-class net laying ship in service with the United States Navy from 1942 to 1947 Buckeye, any of three named passenger trains in the United States
See also Bukeye, in the country of Burundi