Shigehiro Yamaguchi (山口森広 Yamaguchi Shigehiro) is an actor and a seiyu (voice actor). To date the only film he has been in as an actor is Battle Royale.
- Name: Shigehiro Yamaguchi (山口森広 Yamaguchi Shigehiro)
- Birth date: September 23, 1981
- Birthplace: Kanagawa Prefecture, Japan
- Height: 5' 8" (173cm)
- Hobby: Swimming
- 2000 Battle Royale as Toshinori Oda (Boys #4)