Jim O'Heir is an American actor and comedian. He is best known for portraying Jerry Gergich on the NBC sitcom Parks and Recreation.

Garry Gergich, also known as Jerry, Lenny, Larry or Terry, is a fictional character in the comedy television series Parks and Recreation, portrayed by Jim O'Heir. The character has appeared in every episode of the series, with the exception of the first-season episode "Canvassing". He was credited as a recurring character for the first two seasons, but was promoted to the main cast beginning with season three.