Forrest B. "Frosty" Cox (January 22, 1908 – May 22, 1962) was an American college basketball coach. He was the head basketball coach at the University of Colorado Boulder from 1936 to 1950 and the University of Montana from 1955 to 1962, compiling a career record of 227–174. Cox led the Colorado Buffaloes to three NCAA Tournaments and two National Invitation Tournament including the 1942 NCAA Final Four and the 1940 NIT title.