Hattori (服部) is a Japanese surname.

Notable people

• Akio Hattori (服部 晶夫, born 1929), mathematician
• Daiki Hattori (服部 大樹, born 1987), Japanese footballer
• Fuyuki Hattori (服部 冬樹, born 1955), Japanese photographer
• Kazutada Hattori (服部 一忠, died 1595), Japanese samurai
• Katsuhisa Hattori (服部 克久, 1936–2020), Japanese classical composer
• Katsura Hattori (服部 桂, born 1951), Japanese editor
• Mitsuru Hattori (はっとりみつる, born 1977), manga artist
• Moné Hattori (服部 百音, born 1999), Japanese classical violinist
• Naoki Hattori (服部 尚貴, born 1966), Japanese racing driver and journalist
• Nobuo Hattori (服部 信雄, born 1947), Japanese basketball player
• Shigeaki Hattori (服部 茂章, born 1963), Japanese racing driver
• Takushiro Hattori (服部 卓四郎, 1901–1960), Imperial Japanese Army officer
• Tomosada Hattori (服部 友貞, died 1568), Japanese samurai
• Toshihiro Hattori (服部 年宏, born 1973), Japanese footballer
• Yūji Hattori (服部 祐兒, born 1960), Sumo wrestler
• Yukio Hattori (服部 幸應, born 1945), Japanese television personality
• Yoshihiro Hattori (服部 剛丈, 1975–1992), a Japanese student shot and killed in Baton Rouge, Louisiana, United States
• Yoshio Hattori (服部 敬雄, 1899–1991), Japanese businessman
• Kintarō Hattori (服部 金太郎, 1860–1934), Japanese businessman and watchmaker, founder of Seiko

Fictional characters

• Heiji Hattori (服部 平次), a character from Japanese manga Case Closed (Detective Conan)
• Ninja Hattori-kun, a Japanese manga series written and illustrated by duo Fujiko Fujio

Other uses

• Hattori Hanzō (disambiguation)
• Hattori–Stong theorem
• Hattori Nutrition College, a cooking school in Tokyo
• Hattori Racing Enterprises, a NASCAR team
• Hattori Ryokuchi Park in Osaka
• Hattori Shoten, a Tokyo-based publisher, an early publisher of Natsume Sōseki's I Am a Cat in English and Japanese.
• K. Hattori, a shop