Ichihara (written: 市原) is a Japanese surname. Notable people with the surname include:
Etsuko Ichihara (市原 悦子; 1936–2019), Japanese actress
Hayato Ichihara (市原 隼人; born 1987), Japanese actor
Hiroshi Ichihara (市原 大嗣; born 1987), Japanese footballer
Kodai Ichihara (市原 弘大; born 1982), Japanese golfer
Masao Ichihara (市原 正雄; born 1913), Japanese sprinter
Mitsuki Ichihara (市原 充喜; born 1986), Japanese footballer
Seiki Ichihara (市原 聖曠), Japanese football and manager
Takayuki Ichihara (市原 孝行), Japanese sumo wrestler
Taro Ichihara (市原 多朗; born 1950), Japanese opera singer
Tatsuhiko Ichihara (市原 建彦; born 1978), Japanese golfer
Fictional characters
Yūko Ichihara (壱原 侑子), a character in the manga series xxxHolic



