Jeffrey Clark Wadlow is an American screenwriter, producer, and director. He is best known for writing and directing feature films including Truth or Dare, Kick-Ass 2, and Fantasy Island.

Never Back Down is a 2008 American martial arts film directed by Jeff Wadlow and starring Sean Faris and Cam Gigandet. It tells the story of a frustrated and conflicted teenager who arrives at a new high school and discovers an underground fight club there.