Harada (written: 原田) is a Japanese surname. Notable people with the surname include:
Daisuke Harada (原田大輔) (born 1986), Japanese professional wrestlerHarada Daiun Sogaku (1871-1961), Japanese zen monkKaname Harada (原田要) (1916–2016), Japanese flying ace of World War IIKoichiro Harada, Japanese mathematicianMasahiko Harada (原田 雅彦) (born 1968), Japanese ski jumperShintaro Harada (原田慎太郎) (born 1980), Japanese footballerTakeichi Harada (原田 武一) (1899-1978), Japanese tennis playerTetsuya Harada (原田哲也) (born 1970), Japanese motorcyclistKatsuhiro Harada (原田 勝弘) (born 1970), Japanese game producer