Hunter Cantwell (born December 30, 1985) is an American former player who was a quarterback in the National Football League (NFL).

After playing college football for the Louisville Cardinals, he was signed by the Carolina Panthers as an undrafted free agent in 2009.

Cantwell was signed to the Baltimore Ravens' practice squad in 2010 and 2011 before becoming the quarterbacks coach for Campbellsville University.

On December 2, 2005, Cantwell started the season finale on the road against Connecticut, completing 16 of 25 passes for 271 yards and 1 touchdown, aiding Louisville in a 30–20 win.

On September 16, 2006, after Brohm suffered a thumb injury against Miami, Cantwell went into the game and completed 3 of 4 passes for 113 yards and 1 touchdown.

The Panthers promoted Cantwell to the active roster on December 24 after quarterback Jake Delhomme was placed on injured reserve.

Cantwell had a contract offer from the Jacksonville Jaguars in the 2012 offseason, but chose instead to become the quarterbacks coach for the Campbellsville University football team.