Teruo Oka is a Japanese screenwriter known for his work related to pink films. He was in charge of screenplays for Sakae Nitta's directorial works in the 1990s and 2000s. He has also written screenplays for other directors such as Yoshikazu Katō and Yutaka Ikejima. He also appears in films using the name Naoki Oka.

Last Erotic Train
2008

Groper Train: Pervert's Dreams and Reality
2017 · as Groper businessman

Ninja She-Devil
2006 · as Onibi

I Was A Teenage Ninja
2007

No-Pan ShabuShabu
1998 · as Ariyoshi

Whore Hospital 4: No-Pants Nursing
2001

Aniki and Me Ⅱ: His scent on my skin
2004 · as Kyôsuke Kasama

Targeted Girls’ Dormitory 3: My Senior is a Lesbian
2008 · as Fumihiko Takasugi

Lewd Fetish: Peverted Big Ass
2013 · as Thug

Uwakizuma: Inran dônôkai
1996 · as Waitress

Groper Train Pleasure! Peach Butt Touch
2003 · as Shorinji Kempo master

Hitozuma pachinkaa: Tama korogashi
1996 · as Clerk

Aniki and Me
2003 · as Yuta Ima

Forbidden Games
1997 · as ENK newscaster

Molester and Peeping in the Nunnery Toilet
2000 · as Teruaki

Beautiful Night School Teacher
2015 · as Tetsuya Nishikawa

Onanii kyôshi: Midara na hokenshitsu
2000 · as Yu Kono

Hitozuma joi to amadera no bijo: Kaikan kurui
2007 · as Keisuke Murakami