Reginald "Reggie" Slack (born May 2, 1968) is an American-born former Canadian and American football quarterback.
Slack was Auburn University's starting quarterback in 1989 when the Crimson Tide from the University of Alabama came to Jordan-Hare Stadium for the first time in the history of the Iron Bowl rivalry. Prior to 1989, all Alabama–Auburn games were played at Legion Field in Birmingham, Alabama. Auburn won the game 30–20 over an Alabama team that was unbeaten and ranked #2 in the nation.
After spending his collegiate career with Auburn, Slack was selected in the 12th round (321st overall) in the 1990 NFL Draft by the Houston Oilers. Slack also played in the WLAF for the New York/New Jersey Knights and then played in the Canadian Football League with the Winnipeg Blue Bombers and the Saskatchewan Roughriders, whom he led to a Grey Cup appearance.