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

• Toyo Harada, fictional comic book superhero appearing in books published by the American publisher Valiant Comics
• 6399 Harada, a minor planet