Justin Gunnar Holl (born January 30, 1992) is an American professional ice hockey defenseman for the Detroit Red Wings of the National Hockey League (NHL). He was originally drafted in the second round, 54th overall, by the Chicago Blackhawks in the 2010 NHL Entry Draft.
In 2018, Holl became the first defenseman in Maple Leaf history to record two goals in his first two NHL games. In the same year, he helped the American Hockey League (AHL)'s Toronto Marlies win their first Calder Cup. He currently plays on the Leafs 3rd D pairing.