Beta Cinalli is a Brazilian actress, singer, voice actress, and dubbing director, recognized for her extensive work in localizing anime and other productions for the Brazilian Portuguese market. Born Roberta "Beta" Cinalli de Abreu on September 5, 1985, in São Paulo, she has built a career spanning a wide variety of roles across different media.

Cinalli's voice can be heard in numerous prominent anime series. Her versatility is evident in roles ranging from young boys to female characters. A selection of her notable anime credits includes Yui Hachimitsu in Shikimori's Not Just a Cutie, the various identities of Rum, Rummy, and Shirley in Shadows House, and the young fox demon Shippo in Yashahime: Princess Half-Demon. She also voices Minami Hokutouzai in Dr. Stone: Stone Wars and the subsequent Dr. Stone: Ryusui special, and Makoto Ono in both seasons of Hi Score Girl. Her work extends to long-running franchises, such as her portrayal of multiple characters like Rumiko Chie in Higurashi: When They Cry – GOU and SOTSU, Lily in Lupin the 3rd Part 6, Sarah Coppolla in Ingress, and a young Kai Ichinose in Forest of Piano. She has also contributed to films, such as providing the voice of Emi in Yo-kai Watch: Enma Daioh to Itsutsu no Monogatari da Nyan!. Additional credits include Mismis Klass in Our Last Crusade or the Rise of a New World and Hyuuga Hizashi in Beyblade Burst Sparking.

Beyond anime, her dubbing career encompasses live-action series and films, including the titular role in the telenovela Betty em Nova York and characters in the Power Rangers franchise. In addition to performing, Cinalli works as a dubbing director, overseeing Portuguese versions for productions such as El Internado Las Cumbres. She is also known for sharing her expertise through workshops and educational events, teaching the techniques and craft of dubbing to aspiring actors.