Thomas Patrick Lennon (born August 9, 1970) is an American actor, comedian, screenwriter, producer, director, and novelist. He plays Lieutenant Jim Dangle on the series Reno 911!

Lennon is an accomplished screenwriter of several major studio comedies with writing partner Robert Ben Garant. They wrote the Night at the Museum films, The Pacifier, Balls of Fury, and Baywatch.

Early life
Lennon was born on August 9, 1970  in Oak Park, Illinois. Of Irish and Scottish descent, he is the son of Kathleen (née McSheehy) and Timothy Lennon. He graduated from Oak Park and River Forest High School in 1988.

At the age of 16, he met friend and future co-star Kerri Kenney at Theatre Camp at Northwestern University. The two later attended NYU, where they joined a comedy troupe called The New Group.