Okubo
Ōkubo, also Okubo, Ohkubo and Ookubo, is a Japanese surname. Notable people with the surname include:
- Ōkubo clan
- *Ōkubo Tadayo, Japanese daimyō of the Sengoku period
- *Ōkubo Tadasuke, Japanese daimyō of the Sengoku and Edo periods
- *Ōkubo Nagayasu, Japanese samurai of the Edo period
- *Ōkubo Tadachika, Japanese daimyō of the Sengoku and Edo periods
- *Ōkubo Tadataka, Japanese samurai of the Sengoku and Edo periods
- *Ōkubo Tadazane, Japanese daimyō of the late Edo period
- *Ōkubo Toshimichi, Japanese samurai and later leader of the Meiji restoration
;Contemporary
- Atsushi Ōkubo, Japanese manga author
- Benji Okubo, American artist
- Hiroshi Okubo, Japanese video game music composer
- James K. Okubo, American Medal of Honor recipient
- Ōkubo Haruno, Japanese general
- Hideo Ohkubo, Japanese businessman
- Jin Okubo, Japanese cyclist
- Katsutoshi Okubo, Japanese Nordic combined skier
- Kayoko Okubo, Japanese comedian
- Kiyoshi Ōkubo, Japanese serial killer
- Koroku Ōkubo, Japanese photographer
- Mariko Okubo, Japanese actress
- Miné Okubo, American artist
- Tsutomu Okubo, Japanese politician
- Susumu Ōkubo, who proposed the Gell-Mann–Okubo mass formula
- Yasuhiro Okubo, Japanese sport wrestler
- Yukishige Okubo, Japanese politician
- Yuri Okubo, Japanese snowboarder
;Footballers
- Goshi Okubo, Japanese footballer
- Makoto Okubo, Japanese footballer
- Takuo Ōkubo, Japanese footballer
- Tetsuya Ōkubo, Japanese footballer
- Yoshito Ōkubo, Japanese footballer
- Yuki Okubo, Japanese footballer