Kevin Yagher (born June 23, 1962) is an American special effects technician, known for Freddy Krueger's makeup and The Crypt Keeper creature.

His company, Kevin Yagher Productions, has created effects for A Nightmare on Elm Street 2: Freddy's Revenge, A Nightmare on Elm Street 3: Dream Warriors, A Nightmare on Elm Street 4: The Dream Master, Face/Off, Enemy of the State, Volcano, Starship Troopers, Conspiracy Theory, Radio Flyer, Mission: Impossible 2, and Honey, I Blew Up the Kid. Yagher's other credits include Tales from the Crypt, and Child's Play, where he met his wife, Catherine Hicks.

He is the designer and executor of the Chucky doll. Yagher frequently collaborated with puppeteer Brock Winkless on his productions. For example, Winkless performed the puppetry for Chucky in Child's Play and several of its sequels. Yagher and Winkless also worked closely on the visual effects of Honey, I Blew Up the Kid (1992).

Yagher directed Hellraiser: Bloodline, but decided to be credited as Alan Smithee after Dimension Films re-edited the film. He heads Kevin Yagher Productions, Inc.

Yagher has worked with "Weird Al" Yankovic on a number of occasions. In 1988, Yagher created a fat suit and appliance makeup for Yankovic's "Fat" video, which Yankovic later wore in his concerts while performing the song. A year later, Yagher created prosthetics that gave Yankovic a hypermuscular upper body when parodying Rambo in his film UHF.

Il est connu pour son travail sur le maquillage de Freddy Krueger et du gardien de la crypte de la série télévisée Les Contes de la crypte, ainsi que pour la conception de la poupée Chucky, et a créé sa propre compagnie, Kevin Yagher Productions. Il a également réalisé le film Hellraiser 4 et coproduit Sleepy Hollow. Il est marié depuis 1990 à l'actrice Catherine Hicks et est le frère de l'acteur Jeff Yagher.