The Oscars, which recognize excellence in film, are to be handed out Feb. 26, in an ABC telecast produced by Brett Ratner and Don Mischer.
This will be Murphy's first stint as emcee of the Oscars.
Anne Hathaway and James Franco presided over the 2011 program.
"Eddie is a comedic genius, one of the greatest and most influential live performers ever," Ratner said in a statement. "With his love of movies, history of crafting unforgettable characters and his iconic performances – especially on stage -- I know he will bring excitement, spontaneity and tremendous heart to the show Don and I want to produce in February."
"Eddie is a truly ground-breaking performer, whose amazingly diverse array of roles has won him a devoted audience of all ages," Mischer added. "His quick wit and charisma will serve him very well as Oscar host."
"I am enormously honored to join the great list of past Academy Award hosts from Hope and Carson to Crystal, Martin and Goldberg, among others," said Murphy. "I'm looking forward to working with Brett and Don on creating a show that is enjoyable for both the fans at home and for the audience at the Kodak Theatre as we all come together to celebrate and recognize the great film contributions and collaborations from the past year."
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