Stephanie Ann Hsu (/ˈʃuː/ SHOO: born November 25, 1990) is an American actress. She received critical acclaim for her dual roles as Joy Wang and Jobu Tupaki in the film Everything Everywhere All at Once (2022), earning her a nomination for the Academy Award for Best Supporting Actress.

Hsu trained at NYU Tisch School of the Arts and began her career in experimental theatre before starring on Broadway, originating the roles of Christine Canigula in Be More Chill (2015–2019) and Karen the Computer in SpongeBob SquarePants: The Broadway Musical (2016–2017). On television, she had recurring roles in the Hulu series The Path (2016–2018) and the Amazon Prime series The Marvelous Mrs. Maisel (2019–2023).