Gregory James Campbell (born December 17, 1983) is a Canadian former professional ice hockey centre and current Assistant General Manager of the Florida Panthers.

Born in London, Ontario, Campbell grew up in nearby Tillsonburg, playing the majority of his minor hockey with the Tillsonburg Tornados BB teams of the OMHA Southern Counties League and the AAA Elgin-Middlesex Chiefs of the Alliance Pavilion League until Minor Bantam.

Campbell, along with Roy and Eminger (as well as former Bruins teammate Daniel Paille), was ultimately selected to play for Team Canada at the 2003 World Junior Championships, where they won the silver medal, falling to Russia in the tournament final.

In 21 playoff games, Campbell scored 15 goals and picked up four assists for 19 points with 34 penalties in minutes, leading his team to contend for the Memorial Cup in 2003.

He was named to the Memorial Cup All-Star Team along with Derek Roy, Mike Richards, Steve Eminger, Doug O'Brien and Scott Dickie.

[7] On June 5, 2013, during Game 3 of the Eastern Conference Finals, Campbell suffered a broken right fibula after throwing himself in front of an Evgeni Malkin slapshot during a crucial penalty kill against the Pittsburgh Penguins.

Campbell would play in all 82 games for the Bruins en route to a Presidents' Trophy, scoring 8 goals and 13 assists for 21 points.

[11] Campbell officially retired on June 9, 2017, and joined the Columbus Blue Jackets as a developmental coach the same day.

After four years in the Blue Jackets organization, Campbell followed Bill Zito to the Florida Panthers as was named Vice President of Player Personnel and Development on September 15, 2020.

[13] The next season, Campbell was named the general manager (GM) of the Charlotte Checkers, the Panthers American Hockey League (AHL) affiliate.