Akiko Ōku

, also romanised as Akiko Ohku, is a Japanese film director and screenwriter.

Ōku was born in Yokohama, Kanagawa. In high school, she joined a rakugo group. While studying Politics and Economics at Meiji University, she was part of a student theatre troupe. After graduating, Ōku briefly had an office job at a subsidiary of the Ministry of Labour. She then entered a comedy acting school for one year and performed as a stand-up comedian, and afterwards, at age 27, she entered Eigabi School, a film school where director Kiyoshi Kurosawa taught, among others.

Igaito shinanai While still at film school, Ōku won a screenwriting contest with a script that would become her theatrical feature film debut as director, (Igaito shinanai, literally "don't die unexpectedly"). The film was released in 1999. Each episode was directed by a different female director, the other directors besides Ōku being Chihiro Amano and Ai Nagura. Ōku's segment is titled (baion, literally "overtones").

Fantastic Girls Fantastic Girls (original title Dērē gāruzu) was released in 2015. It is adapted from the novel of the same title by Maha Harada. The word dērē in the title is Okayama dialect and means "very". The story is about two high-school friends in 1980 who reunite 30 years later.

Tremble All You Want

(Katte ni furuetero) is a romantic comedy released in 2017. It won the Audience Award at the 30th Tokyo International Film Festival, and its leading actress Mayu Matsuoka was nominated for a Japan Academy Film Prize.

Later films Further films by Ōku include Bijin ga konkatsu shite mitara / Marriage Hunting Beauty (2019, based on the manga by Arako Toaru), Watashi wo kuitomete / Hold Me Back (2020, based on the novel by Risa Wataya), and She Taught Me Serendipity (2024, based on the 2020 novel by Japanese comedian Shūsuke Fukutoku).