Eri Inagawa is a Japanese actress and voice actress born on October 28, 1993, in Yokohama. Her career in performance began in early childhood with stage productions, starting with a role in the musical Annie. This early start was complemented by training in classical ballet and jazz dance. After a period away from acting, she participated in the 2011 Ken Production National Voice Actor Audition, where she won the grand prize, marking her formal entry into the voice acting industry in 2012.

Inagawa is widely recognized for several major anime and game roles. She voices Tamaki Ogami in The Idolmaster Million Live! franchise, a role she has played across various games and the 2023 anime adaptation. She is also known for Cyan Hijirikawa, also known as Cyan, in Sanrio's Show by Rock!! franchise, providing the voice for the character in the original 2013 video game, the 2015 anime adaptation, and subsequent projects. As part of this role, she performs with the in-universe band Plasmagica. Her other notable anime roles include Nyanta in The Lost Village (2016) and Tonari in the Jananda arc of To Your Eternity (2021). She also voiced the character Shiho in the original net animation Hikari: Kariya wo Tsunagu Monogatari (2016).

Beyond these prominent parts, Inagawa's filmography includes a wide range of characters in both anime and video games. Her anime credits include roles in Devilman Crybaby as Tarō Makimura, Fairy Tail as Rita, and Yuri on Ice as a female student. In video games, she has contributed her voice to major titles such as Fire Emblem Echoes: Shadows of Valentia as Mae, Lightning Returns: Final Fantasy XIII as Riruka and Tabo, and World Flipper as Light. She was formerly affiliated with the agency Ken Production.