Charles Gagnier (born July 19, 1985 in Victoriaville, Quebec) is a Canadian freeskier, best known for inventing the Octograb in 2006.

He credits his brother Antoine for pushing him towards freeskiing, introducing him to twin tips at age 15.

[5] Gagnier's first major competitive freestyle skiing win was in the U.S. Freeskiing Open Big Air Invitational at Copper Mountain in Frisco, Colorado.

[6][7] He won Gold in Men's Ski Slopestyle at the 2005 Winter X Games IX in Aspen, Colorado.

[8][9] At the 2006 Winter X Games X, he placed second in the Men's Ski Big Air event to T.J. Schiller, and at the 2008 Winter X Games XII, he again placed second in the Men's Ski Big Air event to Jon Olsson.