Brian Joshua Cook (born December 4, 1980) is an American professional basketball player who is currently a free agent. Cook was drafted out of the University of Illinois with the 24th pick of the first round of the 2003 NBA Draft by the Los Angeles Lakers. He is the son of Norm Cook, an All-American for the Kansas Jayhawks and played briefly for the Boston Celtics, and the nephew of Joe Cook, who played basketball for Duke University from 1988–1990.