Susan Hilferty is an American costume designer for theatre, opera, and film. She received the 2001 Obie Award for Sustained Excellence in Costume Design.
Hilferty's Broadway credits include the costumes for Wicked, Lestat, Spring Awakening, Radio Golf, Assassins, the revival of Into the Woods, Jitney, Dirty Blonde, and How to Succeed in Business Without Really Trying.
Hilferty has collaborated often with playwright Athol Fugard and has designed for the New York Shakespeare Festival, Manhattan Theatre Club, Second Stage, New York Theatre Workshop, Brooklyn Academy of Music, Lincoln Center Theater, Playwrights Horizons, Classic Stage Company, and the Roundabout. Regional theaters employing Hilferty's costumes have included the Guthrie Theater, La Jolla Playhouse, Goodman Theatre, Court Theatre, Berkeley Rep, Yale Rep, McCarter Theatre, Alliance Theatre, Indiana Rep, Kennedy Center, Williamstown Theatre Festival, and American Conservatory Theater.
Hilferty also has designed ballet costumes for dances by Eliot Feld, Alvin Ailey, and Jennifer Muller.
Hilferty leads the Graduate Department of Design for Stage and Film at New York University's Tisch School of the Arts.