Barnhill (surname)
Barnhill is a surname of English origin. The name refers to:
- David Barnhill (contemporary), Australian rugby league player
- Dave Barnhill (19131983), American negro league baseball player
- Herb Barnhill (1913-?), American negro league baseball player
- John Barnhill (1903–1973), American college football coach
- John Barnhill (b. 1938), American professional basketball player
- John Barnhill (b. 1971), Northern Ireland politician; killed by the IRA
- M.V. Barnhill (b. 1887, d. 1963), American judge; Chief Justice of the North Carolina Supreme Court 1954–56
- Norton Barnhill (b. 1953), American professional basketball player
- William A. Barnhill (1889-1987), American photographer