Osamu Yamasaki (山崎 理, Yamasaki Osamu, February 19, 1962) is a Japanese anime director, producer, director, and animator, born in Kumamoto prefecture. Yamasaki is a member and former director of the Japanese Animation Creators Association (JAniCA), and a member of the Directors Guild of Japan. He is part of Wao World. He also works under his name written in katakana (ヤマサキオサム).

KNOWN FOR

Rent-a-Girlfriend
2020
Fist of the North Star
1984
Mushi-Shi
2006
Seirei Gensouki: Spirit Chronicles
2021
The Hakkenden: Legend of the Dog Warriors
1990
Victoria of Many Faces
2026
Dr. STONE
2025
SHIBOYUGI: Playing Death Games to Put Food on the Table
2026
ItaKiss
2008
Dolls' Frontline
2022
Hakuoki
2010
ACTORS: Songs Connection
2019

FILMOGRAPHY

All
Movies
TV
Directing
23
Writing
11
Art
10
Visual Effects
6
Crew
1
2025
Dr. STONE
Director
2021
Seirei Gensouki: Spirit Chronicles
Series Director
2019
ACTORS: Songs Connection
Series Director
2019
ACTORS: Songs Connection
Director
2017
Love Is Like a Cocktail
Director
2014
Hakuouki: Warrior Spirit of the Blue Sky
Director
2013
Hakuouki: Wild Dance of Kyoto
Director
2010
Hakuoki
Director
2008
ItaKiss
Director
2006
Mushi-Shi
Director
1997
Gestalt
Director
1997
Gestalt
Director
1995
Tokyo Revelation
Director
1992
JOKER: Marginal City
Director
1990
Otokogi
Director
1990
Guardian of Darkness - Takegami: War God
Director
1990
Guardian of Darkness
Director
1989
Wrath of the Ninja: The Yotoden Movie
Director
1989
Kojiro of the Fuma
Director
1989
Yajikita Gakuen Douchuuki
Director
1988
The Tokyo Project
Director
1987
Captain Power and the Soldiers of the Future: Bio Dread Strike Mission
Assistant Director
1987
Yotoden: Chronicle of the Warlord Period
Director