Okusama wa 18-sai

• Name — Okusama wa 18-sai • Ja Kanji — おくさまは18歳

• Type — manga • Author — Miyoko Motomura • Publisher — Shueisha • Magazine — Margaret • First — 1969 • Last — 1970

• Type — drama • Network — TBS • First — September 29, 1970 • Last — September 28, 1971 • Episodes — 53

• Type — drama • Network — Fuji TV TWO • First — March 27, 2011 • Episodes — 4 Okusama wa 18-sai is a Japanese manga by Miyoko Motomura. It was published in Shueisha's Weekly Margaret from August 1969 to August 1970. It was adapted into television dramas in 1970 and 2011; there was also a film adaptation in 1971.

At American college Sweet Pea Gakuen, a young teacher, Ricky Nelson, and a female student, Linda Nelson, live a school life while hiding their marriage.

Written by Miyoko Motomura, it was published in Shueisha's Weekly Margaret from August 1969 to August 1970.

A television adaptation starring Yuki Okazaki as Asuka Takagi and Tetsuo Ishidate as Tetsuya Takagi aired from September 29, 1970, to September 28, 1971.

A remake version starring Takanori Nishikawa and Natsuna Watanabe was broadcast from March 27, 2011. In this version, Hokushin Gakuen, where Tetsuya works as a temporary teacher, merges with the girls' high school Asuka attends due to financial reasons caused by the declining birth rate.

Okusama wa 18-sai is associated with Japan.