- Voice roles Anime television series Game Movies - Dubbing TV Series - Dubbing
- External links
{{Infobox person
| name = Yoichi Masukawa
| image =
| alt =
| caption =
| native_name =
| native_name_lang = ja
| birth_name =
| birth_date = {{Birth date and age|mf=yes|1978|12|27}}
| birth_place =
| other_names =
| agent = Genki Project (formerly)
Ken Production (formerly)
Production Ace (currently)
| credits = Naruto as Rock Lee
| occupation = Voice Actor
}}{{nihongo|Yōichi Masukawa|増川 洋一|Masukawa Yōichi|born December 27, 1978 in Kanagawa Prefecture}} is a Japanese voice actor who is affiliated with Production Ace. He was formerly affiliated with Genki Project & Ken Production. He is best known for his role as Rock Lee from Naruto. Voice rolesAnime television series- Amaenaideyo (Yume Karyuudo)
- Desert Punk (Tamehiko Kawano)
- Gokusen (Haruhiko Uchiyama)
- Kekkaishi (Shu Akitsu)
- Naruto (Rock Lee)
- Shippuden (Rock Lee)
- Rock Lee & His Ninja Pals (Rock Lee)
- Soul Hunter (Sibuxiang)
- The Galaxy Railways (Franz)
- Zentrix (Mango)
Game Movies - Dubbing - American Pie Presents: Beta House - Dexter (JP Dub)
- Going to the Mat - Vincent "Fly" Shu (JP Dub)
- Just My Luck - Additional Voices (JP Dub)
- Prom Night (2008 film) - Ronnie Heflin (JP Dub)
- Roll Bounce - Mixed Mike (JP Dub)
- See No Evil (2006 film) - Additional Voices (JP Dub)
- Simon Says - Young Stanley (JP Dub)
- You Got Served - Marty (JP Dub)
TV Series - Dubbing - 24 - Josh (JP Dub)
- The 4400 - Additional Voices (JP Dub)
- Body of Proof - Additional Voices (JP Dub)
- Brothers & Sisters - Additional Voices (JP Dub)
- Criminal Minds - James (JP Dub)
- Disney Channel Games - Additional Voices (JP Dub)
- Hannah Montana - Additional Voices (JP Dub)
- The O.C. - Additional Voices (JP Dub)
External links- [https://web.archive.org/web/20130702125025/http://www.production-ace.co.jp/m/masukawa/] Official Profile
- {{ann|people|id=14217|name=Yōichi Masukawa}}
- Yōichi Masukawa at Ryu's Seiyuu Infos
{{Authority control}}{{DEFAULTSORT:Masukawa, Yoichi}}{{Japan-voice-actor-stub}} 4 : 1978 births|Living people|Actors from Kanagawa Prefecture|Japanese male voice actors |