Darrell Walker (born March 9, 1961) is an American professional basketball coach and retired player. At 6'4" (1.93 m) and 180 lb (82 kg), he played as a guard. He attended Chicago's Corliss High School.
Walker was selected to the 1984 NBA All-Rookie team, and was among the league leaders during his career in assists and steals. His best season was in 1989–90 with the Washington Bullets when he averaged 9.5 points, 8.8 rebounds and 8.0 assists per game. He won an NBA title with the Chicago Bulls in his final season.
Walker has served as head coach for two different teams—the Toronto Raptors and the Washington Wizards. He was the Raptors' second coach, following Brendan Malone, and led the team for a season and a half. In 2000, he replaced the firedGar Heard in Washington for half a season (the first coaching "call up" in history, having previously been the coach of the Rockford Lightning of the CBA), but was then replaced by Leonard Hamilton the next year. He remained in Washington as director of player personnel and later head scout before joining the Hornets as assistant coach.