Hata (written: 畑, 秦, 羽田 or 波田) is a surname. Notable people with the surname include:
Aki Hata (born 1966), Japanese musician and lyricist
Ikuhiko Hata (born 1932), Japanese historian
Kenjiro Hata (born 1975), Japanese manga author
Masanori Hata (born 1935), Japanese zoologist, essayist, and filmmaker
Motohiro Hata (born 1980), Japanese singer-songwriter
Prateep Ungsongtham Hata (born 1952), Thai senator
Sahachiro Hata (1873–1938), co-discoverer of Salvarsan in 1908 with Paul Ehrlich
Shunroku Hata (1879–1962), Japanese field marshal during World War II
Toyosuke Hata (1872–1933), Japanese politician and cabinet minister in the Empire of Japan
Tsutomu Hata (born 1935), 80th Prime Minister of Japan
Yawara Hata
Yoku Hata or Akira Hada (born 1975), Japanese stand up comedian
Yuichiro Hata (born 1967), Japanese politician
