MJ

MJ may refer to:

==Fictional characters== M.J. Delfino, in Desperate Housewives Mary Jane Watson, in Marvel comics Mary Jane Watson (2002 film series character), the film adaptation of the character MJ (Marvel Cinematic Universe), a character in the Marvel Cinematic Universe Agent MJ, in the film Miss Cast Away and the Island Girls, played by Michael Jackson Agent M, in the film Men in Black II, played by Michael Jackson