Hattori (服部) is a Japanese surname. People named Hattori include:
- Akio Hattori, mathematician
- Hattori–Stong theorem
- Hattori Hanzō (disambiguation)
- Hattori Hanzō
- Hattori Kazutada
- Hattori Tomosada
- Hattori Yuji (born 1960), sumo wrestler
- Katsuhisa Hattori
- Mitsuru Hattori, a manga artist
- Naoki Hattori
- Shigeaki Hattori
- Takushiro Hattori
- Toshihiro Hattori
- Yoshihiro Hattori
- Yukio Hattori
Hattori may also refer to:
- K. Hattori, a shop
- Hattori Nutrition College
- Hattori Ryokuchi Park