People with the last name Nishio in Washington
- Andrew Nishio
- Angela Nishio
- Arisa Nishio
- Camie Nishio
- Eizo Nishio
- Glenn Nishio
- Grant Nishio
- Isuta Nishio
- Kaoru Nishio
- Kate Nishio
- Kohki Nishio
- Masahiro Nishio
- Masao Nishio
- Mashiro Nishio
- Motomu Nishio
- Nicholas Nishio
- Nidori Nishio
- Richard Nishio
- Ryan Nishio
- Sandra Nishio
- Tomotoshi Nishio
- Yoshihi Nishio
- Yuka Nishio
- Yuki Nishio
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