People with the last name Otsu in Washington
- Akiyoshi Otsu
- Alex Otsu
- Atsuko Otsu
- Eiko Otsu
- Emi Otsu
- Erika Otsu
- Fumio Otsu
- Hiromichi Otsu
- Ichiro Otsu
- Katsuko Otsu
- Kayo Otsu
- Keijiro Otsu
- Keiko Otsu
- Keisuke Otsu
- Kouichi Otsu
- Lorriane Otsu
- Lynne Otsu
- Makato Otsu
- Makoto Otsu
- Satoko Otsu
- Satoru Otsu
- Shuji Otsu
- Tadashi Otsu
- Takeshi Otsu
- Teppei Otsu
<1>