Christopher Jon Seddon (born October 13, 1983) is an American former professional baseball pitcher.

He spent all of 2008 playing for the Albuquerque Isotopes, the Marlins' Triple-A team and became a free agent at the end of the season.

He was granted Free Agency after the 2009 season but decided to re-sign to minor league contract with the Mariners.

On April 13, 2015, he signed with the Lamigo Monkeys of the Chinese Professional Baseball League in Taiwan.

Seddon signed with the Fubon Guardians of the Chinese Professional Baseball League for the 2017 season.