Masaki Aizawa (相沢 まさき, Aizawa Masaki, January 19, 1965) is a Japanese voice actor (seiyuu) from Hokkaido who is represented by Office Osawa. His old stage name is 相沢 正輝 (same reading). Formerly, he was affiliated with Production Baobab and Bell Production. His hobby is reading.
Mobile Suit Gundam GQuuuuuuX
Chapman Jirom (voice) · (1 episode)
2025
Catch Me at the Ballpark!
Field Manager Tadahiro Matsudo (voice) · (4 episodes)
2025
T・P BON
Monarch (voice) · (1 episode)
2024
Undead Murder Farce
John H. Watson (voice) · (4 episodes)
2023
Yu Yu Hakusho - Two Shots / All or Nothing
Ōtake (voice)
2018
One Piece: Episode of Skypiea
Wyper (voice)
2018
The Irregular at Magic High School: The Girl Who Summons the Stars
Ralph Hardy Mirphak (voice)
2017
Uchu Sentai Kyuranger
Judge Inda · (1 episode)
2017
Parasyte -the maxim-
Kazuyuki Izumi (voice) · (13 episodes)
2014
Parasyte -the maxim-
Officer Worker「A」(voice) · (1 episode)
2014
Parasyte -the maxim-
Professor (voice) · (1 episode)
2014
Parasyte -the maxim-
Taoka (voice) · (1 episode)
2014
Parasyte -the maxim-
Man (voice) · (1 episode)
2014
Yona of the Dawn
Li Geun-Tae · (24 episodes)
2014
Hunter x Hunter
Bendot (voice) · (5 episodes)
2011
Hunter x Hunter
Mizuken (voice) · (3 episodes)
2011
Is This a Zombie?
Mystletainn (voice) · (3 episodes)
2011
Bleach the Movie: Hell Verse
Gunjo (voice)
2010
Death Note Relight 2: L's Successors
Anthony Rester (voice)
2009
Eden of the East
Opposition Party Member (voice) · (1 episode)
2009
Inazuma Eleven
Heikichi Toudou (voice) · (2 episodes)
2008
Kaiji
Facility Manager (voice) · (2 episodes)
2007
Sword of the Stranger
Yue-Shen (voice)
2007
Gift: Eternal Rainbow
(12 episodes)
2006
Death Note
Masahiko Kida (voice) · (1 episode)
2006
Black Lagoon
Rowan (voice) · (1 episode)
2006
Inukami!
Master · (26 episodes)
2006
The Hills Have Size
Matsubara Hisashi · (2 episodes)
2005
Jing: King of Bandits
Ginjou (voice) · (13 episodes)
2002
Jing: King of Bandits
(3 episodes)
2002
The Twelve Kingdoms
Shōryū (voice) · (45 episodes)
2002
Chobits
Tetsuya Omura (voice) · (4 episodes)
2002
The Siamese: First Mission
Defense Minister (voice)
2001
X
Kusanagi Shiyū (voice) · (24 episodes)
2001
Fighting Spirit
Date Eiji (voice) · (101 episodes)
2000
Resident Evil 4D Executer
Claus
2000
You're Under Arrest: The Motion Picture
Detective Sugihara (voice)
1999
Master Keaton
(1 episode)
1998
Spriggan
Excavation Research Agent (voice)
1998
Knight Hunters
Hirofumi Takatori · (38 episodes)
1998
Cowboy Bebop
Case Officer (voice) · (1 episode)
1998
Song of Raiyantsuuri
1994
Tekkaman Blade II
Goriate · (6 episodes)
1994
Iria: Zeiram the Animation
Soldier C (voice) · (1 episode)
1994
Red Baron
Norman · (49 episodes)
1994
New Cutey Honey
(voice) · (1 episode)
1994
New Cutey Honey
Robber (voice) · (1 episode)
1994
The Legacy of Al Caral
Guard B (voice)
1993
Oruorane the Cat Player
Middle-Aged Man
1992
Tokyo Babylon
Man (voice) · (1 episode)
1992