Kajiwara (written: 梶原) is a Japanese surname. Notable people with the surname include:
Kajiwara Heima (梶原 平馬, c. 1842 – 1889), Japanese samurai
Ikki Kajiwara (梶原 一騎, 1936–1987), Japanese writer
Kajiwara Kagemune (梶原 景宗, 1533–?), Japanese samurai
Kajiwara Kagesue (梶原 景季, 1162–1200), Japanese samurai
Kajiwara Kagetoki (梶原 景時, c. 1162 – 1200), Japanese samurai
Noriko Kajiwara, Japanese Paralympic swimmer
Takeo Kajiwara (梶原 武雄, 1923–2009), Japanese Go player
Tetsuya Kajiwara (musician) (梶原 徹也, born 1963), Japanese musician
Zen Kajiwara (梶原 善, born 1966), Japanese actor
