Risa Mei is an American voice actress associated with FUNimation Entertainment, Crunchyroll, and Bang Zoom! Entertainment. Born on April 22 in California, she is of Chinese-Indonesian descent. Before focusing on voice acting, Mei worked as a singer and on-camera stage actor in both the United States and Japan. She began voice work in 2019 with a role in Jim Henson's Word Party, providing both motion capture and voice for the character Tilly. She started pursuing English dub work for anime and video games in 2020, with her early recordings done remotely in Dallas, Texas, before she later moved to Los Angeles in 2022. Mei holds a Bachelor of Music in Vocal Performance from Azusa Pacific University.

Mei has built an extensive filmography in anime dubbing, often voicing characters with distinct personalities. In the romantic comedy My Dress-Up Darling, she voices the short-statured but skilled cosplayer Sajuna Inui. She plays the determined office worker Futaba Igarashi in the workplace comedy My Senpai Is Annoying. In the gothic mystery Shadows House, she takes on the dual role of the Living Dolls Rum and Shirley. Her other notable anime roles include Nadila in Kakushigoto, Satomi Amano in the film Sing a Bit of Harmony, Hiyori in The House of the Lost on the Cape, and Charlotte in Black Rock Shooter: Dawn Fall. She also voices Kamiya Kaoru in the 2023 adaptation of Rurouni Kenshin and Beelzebub in SAND LAND: THE SERIES.

Beyond anime, Mei is a prolific voice actor in video games. She is widely recognized for her role as Sangonomiya Kokomi in the popular game Genshin Impact. Her other significant game credits include Istina and Croissant in Arknights, Annabella, Gnonno, and Alyss in Tower of Fantasy, Folkwang and Syuen in Goddess of Victory: Nikke, and Lynx in Honkai: Star Rail. Her voice work also extends to live-action dubbing and audiobook narration for publishers like Penguin Random House. Mei has dwarfism, a personal characteristic that aligns with many of the characters she portrays, such as Sajuna Inui and Futaba Igarashi.