Dane Jeffrey Cook (born March 18, 1972) is a American stand-up comedian and film actor. He has released five comedy albums: Harmful If Swallowed, Retaliation, Vicious Circle, Rough Around The Edges: Live From Madison Square Garden and Isolated Incident. Retaliation became the highest charting comedy album in 28 years and went double platinum. Cook performed an HBO special in the Fall of 2006, Vicious Circle, a straight to DVD special entitled Rough Around The Edges (which is included in the album of the same name), and has made numerous television appearances.

As an actor, Cook has appeared in 15 films since 1997, including Mystery Men and Waiting.... He also starred in major movie roles since 2006 including Employee of the Month and Good Luck Chuck. He also had supporting roles in the very dark Mr. Brooks (a departure from his standard comedic roles) and Dan in Real Life. Most recently, Cook starred in My Best Friend's Girl.

Dane Cook was born in Boston, Massachusetts and was raised in Arlington, where he attended Arlington High School. His father, George Cook, worked at a golf course before managing a lumber yard, a window business and a rock club in Cambridge, Massachusetts. Dane's mother, Donna Cook, was a homemaker. Both of his parents recently died of cancer.