| Name Nonen: | 花沢 健吾 |
| Nonus: | ja |
| Birth Date: | January 5, 1974 |
| Birth Place: | Hachinohe, Japan |
| Nationality: | Japanese |
| Area: | Manga artist |
| Notable Works: | I Am a Hero |
| Manga: | Yes |
| Website: | http://www6.ocn.ne.jp/~hanaman/ |
is a Japanese manga artist, known for his seinen works. He won the Topic Award of the 2005 Sense of Gender Awards for Ressentiment[1] and was nominated for the 3rd, 4th and 5th Manga Taisho for I Am a Hero.[2] [3] [4] In 2013, I Am a Hero won the 58th Shogakukan Manga Award in the General category. I Am a Hero has received a live-action film adaptation, directed by Shinsuke Sato. His series Boys on the Run was also adapted into a live-action film in 2010.[5] He formerly worked as Osamu Uoto's assistant.