Ishihara (石原, lit. "stone meadow") is a Japanese surname. Notable people with the surname include:
Fujio Ishihara (born 1933), writer
Shinobu Ishihara (born 1879), physician
Ishihara colourblindness test
Hirotaka Ishihara, politician, Shintaro's third son
Miyavi, recording artist and entertainer
Naoko Ishihara (born 1974), Japanese sport shooter
Satomi Ishihara (born 1986), actress
Shintaro Ishihara, author, politician, governor of Tokyo
Nobuteru Ishihara (born 1957), politician, Shintaro's eldest son
Yoshizumi Ishihara (born 1962), actor and weatherman, Shintaro's second son
Yujiro Ishihara, actor (1934–1987), Shintaro's younger brother
Taku Ishihara (born 1988)
Tatsuya Ishihara (born 1966), Japanese anime director from Maizuru
