Scarlett Sher is an American actress known for her work in film, television, and voice acting. She is based in New York and began her career as a child performer.

In the field of anime voice acting, Scarlett Sher is recognized for providing the English voice for the character Ada in the feature film Mobile Suit Gundam: Cucuruz Doan's Island, which was released in 2022.

Beyond her work in anime, Sher has pursued a diverse acting career in both live-action and stage productions. She made her feature film debut in the 2019 crime drama Hustlers, playing the role of Lily, the daughter of the character portrayed by Constance Wu. In the same year, she also made her Broadway debut in the musical Waitress, performing the role of Lulu.

Her other on-screen credits include a guest-starring role as Harlyn in the Apple TV+ anthology series Extrapolations in 2023. She has also appeared in the romantic comedy Asian Persuasion as the character Sam and is featured in the dramatic film Ramona at Midlife as Kiki. In the horror film Weapons, released in 2025, she served as the narrator.