Jason Ashley Kershner (born December 19, 1976) is a former professional baseball pitcher.

Kershner won three games in the major leagues (all in 2003) and picked up his only career save on September 11, 2002.

He spent the 2007 season playing for the Cincinnati Reds Triple-A club, the Louisville Bats.

On July 10, 2008, Kershner signed a minor league contract with the Seattle Mariners and was assigned to the Triple-A Tacoma Rainiers.

This biographical article relating to an American baseball pitcher born in the 1970s is a stub.