Satoshi Tanaka is a Japanese voice actor affiliated with the agency INSPION AGENCY. He was born on April 6 in Chiba Prefecture, Japan, and stands 168cm tall. His professional interests include baseball and anime appreciation. In the world of anime voice acting, Tanaka is known for his role as Omatsu in the television series Catch Me at the Ballpark! (also known as Ballpark de Tsukamaete!). The anime, an adaptation of the baseball-themed romantic comedy manga by Tatsuro Suga, is produced by studio EMT Squared and premiered in Japan in April 2025.

Beyond this prominent role, Satoshi Tanaka has built a career that includes extensive work in dubbing foreign films and television series for the Japanese market. His dubbing credits include Henry Stuart in Mary Queen of Scots (released in Japan as Futari no Joou Mary to Elizabeth), a role in the film The Lost Daughter, and parts in the series Tom Clancy's Jack Ryan (season 2), The Last Kingdom (season 5), Black Summer (season 2), and Greys Anatomy (season 20). He has also provided voice work for animated projects, including the foreign animation Mechamato, and for documentary series, contributing to National Geographic documentaries and programs about sports teams like FC Barcelona and FC Bayern Munich.

In addition to his on-screen voice work, Tanaka has performed narration for various projects. He is also active in stage theater, having performed in productions with the groups strangeGARDEN and Ratchet Wrench, as well as in plays such as Haiiro no Donzoko and Mayakashi.