Russell "Russ" Critchfield (born June 27, 1946, in Salinas, California) is an American former professional basketball player.
A 5'10" guard, Critchfield played at the University of California, Berkeley in the late 1960s, earning team MVP honors in 1966, 1967, and 1968. He scored 1,437 points in his college career and was a first-team All-American selection in 1968. He was also selected twice to the All-AAWU first team (1967–1968). Critchfield was not drafted by an NBA team but was drafted by and played one season (1968–69) with the Oakland Oaks of the American Basketball Association. He scored 161 points in 47 regular season games and won an ABA Championship.
Critchfield is currently men's head basketball coach at Butte College.