Rin Tateishi is a Japanese voice actress and ring announcer, born on July 10, 2001, in Osaka Prefecture. She is affiliated with the talent agency Hibiki. Tateishi began her path in the entertainment industry after passing a joint audition held by multiple agencies, including Hibiki, in 2020, and officially joined Hibiki in February 2021. She balanced her budding career with her education and graduated from Rikkyo University in 2024.

Tateishi is best known for her role as Anon Chihaya in the BanG Dream! multimedia project, specifically in the television anime series BanG Dream! It's MyGO!!!!! which began airing in 2023. She voices the character in the anime, its theatrical compilation films, and the related game BanG Dream! Girls Band Party!. Her involvement with the project extends beyond voice work; as Anon is the rhythm guitarist for the in-series band MyGO!!!!!, Tateishi learned to play the electric guitar for live performances, having had previous experience with the acoustic guitar from her elementary school days.

Beyond her signature role in BanG Dream!, Tateishi has contributed to other anime and game projects. Her anime appearances include minor roles in series such as One Room, Hiatari Futsuu, Tenshi-tsuki. In the realm of video games, her voice work can be heard in titles like Assault Lily Last Bullet, PROGRESS ORDERS, and Brown Dust. She is also active in stage performances and reading dramas, with credits including Bijutushitsu ni Okizari ni sareta Tenshi and Kireide Kawaii Kimi ga Suki.

A unique and notable aspect of Tateishi's career is her work as a ring announcer for the women's professional wrestling organization Stardom, a role she began in 2022. This demonstrates her versatility as a performer. She also hosts her own internet program, Tateishi Rin o Monitoringu, on the Nico Nico Channel Plus platform. Her hobbies include video editing, puzzles, and watching YouTube, and she holds special skills in dancing and mental abacus.