Robert Stewart "Stew" Gavin (born March 15, 1960 in Ottawa, Ontario) is a retired professional ice hockey left winger who played in the NHL between 1980 and 1993.
Gavin was selected 74th overall by the Toronto Maple Leafs in the 1980 NHL Entry Draft. Gavin played 768 career NHL games, scoring 130 goals and 156 assists for 286 points. His best season was the 1985–86 season when he scored 26 goals and 55 points with the Hartford Whalers.
Gavin has two children, Taylor (b. November 24, 1993) and Max (b. 1989), both mothered by ex-wife, Phyllis Ellis (former Olympic field hockey player and current television star).