People with the last name Otsuka in Oregon
- Emma Otsuka
- Hiroe Otsuka
- Hiroshi Otsuka
- Kazuko Otsuka
- Keiichi Otsuka
- Keiko Otsuka
- Kenichi Otsuka
- Masato Otsuka
- Masumi Otsuka
- Mayu Otsuka
- Miyuki Otsuka
- Naohiko Otsuka
- Naomi Otsuka
- Ryo Otsuka
- Sachie Otsuka
- Satoshi Otsuka
- Shigeo Otsuka
- Shinsuke Otsuka
- Takeshi Otsuka
- Toshiyasu Otsuka
- Yayoi Otsuka
- Yoko Otsuka
- Yoshie Otsuka
- Yuki Otsuka
- Yuko Otsuka
- Yumiko Otsuka
- Yusuke Otsuka
<1>