Gunnar Todd Rohrbacher (born May 4, 1968) is an American acting coach, writer, director, producer, actor and comedian.

He founded Actors Comedy Studio in Los Angeles, California, and is a staff writer for Backstage West.

As a faculty member, he taught improv, developed sketch writing courses, and directed the school’s performance labs.

As an actor, Rohrbacher starred in two pilots for NBC: Prime Time Comedy, produced by George Schlatter, and the semi-improvised sitcom The Weekend.

He also appeared in Boutonniere, starring Zachary Quinto and Wendy McLendon-Covey, which was the 2009 24FPS International Short Film Festival Silver Medal winner.