is a Japanese surname. Notable people with the surname include:

Shinobu Ishihara (1879–1963), physician Ishihara test, a test to determine color blindness Ishihara Shiko'o, (1874–1936), historian associated with the Shinpūren rebellion Daisuke Ishihara (born 1971), former football player Fujio Ishihara (born 1933), writer Kaori Ishihara (born 1993), voice actress and pop singer Katsuki Ishihara (born 1939), former freestyle swimmer Katsuya Ishihara (born 1978), former football player Kazuyuki Ishihara (born 1958), garden designer Kuniko "Satomi" Ishihara (born 1986), actress Mitsuru Ishihara, animator Melody Ishihara (born 1982), former J-Pop singer Naoko Ishihara (born 1974), sport shooter Shinichi Ishihara (born 1960), singer and (voice) actor Shintaro Ishihara (1932–2022), author, politician, governor of Tokyo Hirotaka Ishihara (born 1964), politician, Shintaro's third son Nobuteru Ishihara (born 1957), politician, Shintaro's eldest son Yoshizumi Ishihara (born 1962), actor and weatherman, Shintaro's second son Yujiro Ishihara (1934–1987), actor and singer, Shintaro's younger brother Takamasa "Miyavi" Ishihara (born 1981), singer-songwriter, record producer and actor Taku Ishihara (born 1988), former football player Tatsuya Ishihara (born 1966), anime director from Maizuru Teruto Ishihara (born 1991), MMA fighter Tsunekazu Ishihara (born 1957), game designer, businessman, and president of The Pokémon Company

See also Ishiwara Stanley (name) - lit. "stone meadow"