Kenneth Kirzinger (born November 4, 1959) is a Canadian actor and stuntman best known for his portrayals of Jason Voorhees in Freddy vs. Jason (2003), Pa in Wrong Turn 2: Dead End (2007), and Rusty Nail in Joy Ride 3: Roadkill (2014).

Kirzinger started his career as a stunt performer in the early 1980s, appearing in Superman III.

He also worked as an actor in TV movies like Brotherly Love and Gunsmoke: Return to Dodge.

Although he continued acting, Kirzinger became a prolific stunt performer and coordinator through the 80s and 90s working on films like Shoot to Kill, Look Who's Talking, Bird on a Wire, and It, as well as TV shows like 21 Jump Street and The Commish.

In addition to his role as the cook, Kirzinger served as a stunt coordinator for the film and also doubled for Jason during a few short scenes.