Elisa Donovan (born Lisa Donovan on February 3, 1974 in Poughkeepsie, NY) is an American actress. Her breakthrough role was in the film Clueless. Other notable roles included the film A Night at the Roxbury and playing Morgan Cavanaugh on the television sitcom Sabrina the Teenage Witch.

Elisa admitted to being a "hard-core anorexic" between 1993 and 1995 and her weight dropped to 90 pounds. She contributed a story to the book Chicken Soup for the Teenage Soul regarding her battles with anorexia.