The Granite City Lumberjacks are a Tier III Junior A ice hockey team playing in the North American 3 Hockey League (NA3HL) and plays their home games at the Armadillo Deck Sports Arena, located in Sauk Rapids, Minnesota.

The team was founded in 2007 as a member of the Minnesota Junior Hockey League (MnJHL).

[1] The Granite City Lumberjacks were the 2008–09 MnJHL regular season champions and qualified for the USA Hockey Tier III Jr. A National Championship Tournament, joining the 2009 playoff champions, the Minnesota Ice Hawks.

[2] The team won the MnJHL championship in the 2010–11 season with a 2-1 overtime win over the Rochester Ice Hawks.

The Lumberjacks only qualified for the Silver Cup Tournament as wildcard after losing in the Divisional Finals to the Bulls.