Katy Grannan (born 1969 Arlington, Massachusetts) is an American portrait photographer.
Her work has appeared in The New York Times Magazine, was included in the 2004 Whitney Biennial, and is in public collections including The Metropolitan Museum of Art, the Solomon R. Guggenheim Museum, and the Whitney Museum of American Art. He was exposed at Rencontres d'Arles festival (France) in 2004.
Grannan earned her BA from The University of Pennsylvania and her MFA from the Yale University School of Art where she studied with Gregory Crewdson, Philip-Lorca diCorcia, and Tod Papageorge.
Katy Grannan is represented by Greenberg Van Doren Gallery and Salon 94 in New York, and Fraenkel Gallery in San Francisco. Commissions are managed by Fred & Associates.