Osamu Taira is a Japanese voice actor and narrator born on June 25 in Hyogo Prefecture, Japan. He is affiliated with the talent agency Mouvement. His skill set includes rock vocal performance and proficiency in playing multiple instruments such as the guitar, bass, and drums, and he also engages in songwriting and composition. His interests include attending live concerts, comedy performances, and theatrical plays.

Taira is notably recognized for his role as Ren Wuying within the Shenmue franchise. He first voiced the character in the 2019 video game Shenmue III and later reprised the role for the 2022 anime television series, Shenmue the Animation. In the anime, Ren Wuying is depicted as the leader of a street gang known as the Heavens. Taira has expressed a strong personal connection to the character, noting that he continued to think about Ren daily even after recording for the game concluded.

Beyond the Shenmue series, his voice acting work includes roles in foreign film dubbing. He provided the Japanese voice for the character Walter in the 2018 film Proud Mary and voiced Kevin Jennings in the 2020 film Black and Blue. In the 2017 animated film Loving Vincent, he voiced a Zouave soldier. He also contributed to the Japanese dub of the 2016 film Inferno. Additional credits include narration work for television programs and voice acting in other international productions such as Star Wars and the James Bond film series.