Harada (written: 原田) is the 52nd most common Japanese surname.[1] Notable personalities with this surname include:
- Atsushi Harada (原田 篤, born 1978), Japanese actor
- Daisuke Harada (原田 大輔, born 1986), Japanese professional wrestler
- Harada Daiun Sogaku (原田 大雲祖岳, 1871–1961), Japanese Zen Buddhist monk
- Hiroyo Harada (原田 裕代, born 1970), Japanese swimmer
- Kai Harada (原田 海, born 1999), Japanese rock climber
- Kaz Harada (カズハラダ, died 1998), Japanese anime producer
- Kaname Harada (原田 要, 1916–2016), Japanese World War II flying ace
- Katsuhiro Harada (原田 勝弘, born 1970), Japanese game producer
- Kiichi Harada (原田 喜市, born 1972), Japanese equestrian
- Koichiro Harada (原田 耕一郎, born 1941), Japanese mathematician
- Maha Harada (原田 マハ, born 1962), Japanese novelist
- Masahiko Harada (原田 雅彦, born 1943), Japanese boxing champion
- Masahiko Harada (原田 雅彦, born 1968), Japanese ski jumper
- Naoki Harada (原田 直樹, born 1991), Japanese footballer
- Shintaro Harada (原田 慎太郎, born 1980), Japanese footballer
- Taizo Harada (原田 泰造, born 1970), Japanese comedian and actor
- Takashi Harada, associated with the Harada Method of management development
- Takeichi Harada (原田 武一, 1899–1978), Japanese tennis player
- Tasuku Harada (原田 助, 1863–1940), Japanese pastor, former president of Doshisha University
- Tetsuya Harada (原田 哲也, born 1970), Japanese motorcyclist
- Yasuko Harada (原田 康子, 1928–2009), Japanese novelist
- Yoshitsugu Harada (原田 令嗣, born 1952), Japanese politician of the Liberal Democratic Party