Randall Ladouceur (born June 30, 1960 in Brockville, Ontario) is an assistant coach of the San Antonio Rampage. He previously served as an assistant coach for the Montreal Canadiens, Hamilton Bulldogs and Toronto Maple Leafs. He is also a former NHL defenceman, having played for the Detroit Red Wings, Hartford Whalers and the Mighty Ducks of Anaheim, retiring after the 1995-96 season. He played a total of 930 regular season games, scoring 30 goals and 126 assists for 156 points, collecting 1322 penalty minutes. He also played 40 playoff games in his career, scoring 13 points (5 goals and 8 assists). He previously served under Paul Maurice as an assistant coach of the Carolina Hurricanes between 1997 and 2004. On May 7, 2008, Ladouceur was fired by interim Maple Leafs GM Cliff Fletcher, along with head coach Maurice. He currently resides with his family in Brockville.

On July 31, 2013, Randy was named an assistant coach of the Lake Erie Monsters of the American Hockey League