Jonathan David Knott (born August 4, 1978) is an American former professional baseball outfielder.

After graduating in 2001 with a Master of Business Administration degree from Mississippi State University, Knott was signed by Mal Fichman as an amateur free agent with the San Diego Padres.

He was recalled again on July 14, this time to occupy the roster spot vacated when third baseman Melvin Mora went on the disabled list.

Knott opened the 2008 season with the Twins' Triple-A team, the Rochester Red Wings.

On August 25, 2009 Knott was signed by the Milwaukee Brewers and assigned to their Triple-A affiliate, the Nashville Sounds.