Jonathon Tyler Power (born August 9, 1974) is a Canadian retired professional squash player.

Career highlights included winning the World Open (1998), the British Open (1999), the Super Series Finals (2003 & 2005), the PSA Masters (2001, 2002 & 2005), the Tournament of Champions (1996, 1999, 2000 & 2002), and the men's singles Gold Medal at the 2002 Commonwealth Games.

partly because of his emotional outbursts and verbal exchanges with referees, which sometimes led to him being compared with John McEnroe.

Power's rivalry with Scotland's Peter Nicol was one of the most famous and extended in the history of the game.

[citation needed] He also won the 2008 Canadian Championships, defeating Shahier Razik in the final.