Clifford Eugene Koroll (born October 1, 1946) is a retired professional ice hockey right winger. After earning all-WCHA honors at the University of Denver in 1968, Koroll signed an NHL contract and played his entire National Hockey League career spanning from 1969 to 1980 with the Chicago Black Hawks. He then became as assistant coach for the Black Hawks for six seasons (1980–1984 and 1985–1987).