Mad

Mad may refer to:
 * Mad, the state of having anger
 * Mad, the state of being insane

MAD or Mad may refer to:

Media and entertainment

 * Mad (magazine), an American humour magazine

Television and video

 * Mad (TV series), a television series on Cartoon Network based on the magazine
 * M.A.D., the evil organisation run by Doctor Claw in Inspector Gadget