Hatanaka (written: 畑中 or 畠中) is a Japanese surname. Notable people with the surname include:
Bill Hatanaka (born 1954), Canadian football playerGregory Hatanaka, American film directorKazu Hatanaka (畑中 和), Japanese wheelchair racerKenji Hatanaka (畑中 健二, 1923–1945), Japanese military officerKiyoshi Hatanaka (畑中 清詞, born 1967), Japanese boxerMasato Hatanaka (畑中 正人, born 1975), Japanese musicianTakeo Hatanaka (畑中 武夫, 1914–1963), Japanese astronomerTasuku Hatanaka (畠中 祐, born 1994), Japanese actor and voice actorYusuke Hatanaka (畑中 勇介, born 1985), Japanese cyclist