Hattori (written: 服部) is a Japanese surname. Notable people with the surname include:
Akio Hattori, mathematicianHattori–Stong theoremHattori Hanzō (disambiguation)Hattori HanzōHattori Kazutada (died 1595), Japanese samuraiHattori Tomosada, Japanese samuraiHattori Yūji (born 1960), sumo wrestlerKatsuhisa Hattori (born 1936), Japanese classical composerMitsuru Hattori, manga artistNaoki Hattori (born 1966), Japanese racing driver and journalistShigeaki Hattori (born 1963), Japanese racing driverTakushiro Hattori (1901–1960), Imperial Japanese Army officerToshihiro Hattori (born 1973), Japanese footballerYoshihiro Hattori (1975–1992)Yoshio HattoriYukio Hattori (born 1945), Japanese television personality