Ishihara (石原, lit. "stone meadow") is a Japanese surname. Notable people with the surname include:
Fujio Ishihara (born 1933), writerShinobu Ishihara (born 1879), physicianIshihara colourblindness testHirotaka Ishihara, politician, Shintaro's third sonMiyavi, recording artist and entertainerNaoko Ishihara (born 1974), Japanese sport shooterSatomi Ishihara (born 1986), actressShintaro Ishihara, author, politician, governor of TokyoNobuteru Ishihara (born 1957), politician, Shintaro's eldest sonYoshizumi Ishihara (born 1962), actor and weatherman, Shintaro's second sonYujiro Ishihara, actor (1934–1987), Shintaro's younger brotherTaku Ishihara (born 1988)Tatsuya Ishihara (born 1966), Japanese anime director from Maizuru