Kōji Seki
- Known for
- Directing
- Born
- September 20, 1911
- Birthplace
- Tokyo, Japan
Filmography
- Kezorima
Kezorima 1989
Production Assistant

Sanjigen tōshi: Sex ultra eye 1984
Screenplay

3D Movie: The Acme 1984
Director

Roses, the Sea and the Sun 1982
Assistant Director
- Groper Train: Just Ride
Groper Train: Just Ride 1981
Director
- Molester Invisible Man IV: Deepest Depths
Molester Invisible Man IV: Deepest Depths 1981
Director, Screenplay
- Molester Invisible Man PART 4: Deep Inside
Molester Invisible Man PART 4: Deep Inside 1981
Director
- Perverted Couple
Perverted Couple 1980
Director
- Japanese Erotic Stories: Night Visits
Japanese Erotic Stories: Night Visits 1979
Director

Joshi daisei baito geisha 1979
Director

Molester Invisible Man III: Indecency? 1979
Director, Screenplay

Groper Alley: I Want to Get Wet 1977
Director, Screenplay
- Chikan tômei ningen me-me-me: Part 2
Chikan tômei ningen me-me-me: Part 2 1977
Director
- Chikan tômei ningen
Chikan tômei ningen 1977
Director
- Apartment Wife Sex Group
Apartment Wife Sex Group 1976
Director
- Apartment Wife: Sex Competition
Apartment Wife: Sex Competition 1974
Director

Schoolgirl Sukeban Tale 1973
Director
- Kôi ninshin/Chûzetsu
Kôi ninshin/Chûzetsu 1973
Director
- Hentai kazoku
Hentai kazoku 1972
Director
- Sex Documentary Peek at Japan's Private Parts: Japan's First Infrared Movie
Sex Documentary Peek at Japan's Private Parts: Japan's First Infrared Movie 1972
Director
- 蛇淫の舘
蛇淫の舘 1970
Director
- Abnormal Sex Crimes
Abnormal Sex Crimes 1968
Director

Abnormal Criminal 1967
Director

Special 1967
Director

Han shojo 1966
Director
- Trap of a Love Potion
Trap of a Love Potion 1966
Director
- Maizôkin monogatari: Zangyaku no ana
Maizôkin monogatari: Zangyaku no ana 1965
Director
- Hip de shôbu
Hip de shôbu 1965
Director

Tekka geisha 1965
Director
- Chijô no ie
Chijô no ie 1964
Director
- Desire in Cavern
Desire in Cavern 1963
Director
- Kaima no gyakushû
Kaima no gyakushû 1962
Director

Jôyoku no tanima 1962
Director
Credits from TMDB.