Ann Bishop Roth (born October 30, 1931) is an American costume designer. She has designed the costumes of various prominent films, and has been nominated five times for the Academy Award for Best Costume Design, winning twice for; The English Patient (1996), and Ma Rainey's Black Bottom (2020).

Roth was born in Hanover, Pennsylvania, Roth was a Carnegie Mellon graduate who began her career as a scenery painter for the Pittsburgh Opera. She intended to remain in the field of production design until she met Irene Sharaff at the Bucks County Playhouse. Sharaff invited her to California to assist her with costumes on the film Brigadoon and suggested Roth apprentice with her for five films and five Broadway productions before setting out on her own.