Gregory "Greg" James Campbell (born December 17, 1983) is a Canadian ice hockey left winger who currently plays for the Boston Bruins of the National Hockey League. He is the son of former NHL player and current NHL Director of Hockey Operations Colin Campbell.
Campbell was drafted 67th overall by the Panthers in the 2002 NHL Entry Draft. He played two NHL games in 2003–04, but did not register a point in those contests. He scored his first goal in 2005-06, in a 4–3 loss to the Montreal Canadiens, against goaltender Yann Danis. On June 22, 2010 he was traded by the Panthers along with Nathan Horton to the Boston Bruins in exchange for Dennis Wideman and a first round draft pick (13th overall) in the 2010 NHL Entry Draft and a third round pick in the 2011 NHL Entry Draft.