People with the last name Nagaoka in Washington
- Akio Nagaoka
- Akira Nagaoka
- Albert Nagaoka
- Barbara Nagaoka
- Chizuko Nagaoka
- Daisuke Nagaoka
- Darlene Nagaoka
- E Nagaoka
- Garrett Nagaoka
- Hiroko Nagaoka
- Ichiko Nagaoka
- Julia Nagaoka
- Kiiko Nagaoka
- Kuniyo Nagaoka
- Makoto Nagaoka
- Masami Nagaoka
- Mie Nagaoka
- Minoru Nagaoka
- Nanae Nagaoka
- Nubuo Nagaoka
- Richard Nagaoka
- Ryosuke Nagaoka
- S Nagaoka
- Shigeru Nagaoka
- Yoshie Nagaoka
<1>