Ishikawa (written: 石川 lit. "stone river") is the 28th most common Japanese surname.^[1] Notable people with the surname include:

• Akio Ishikawa (石川 陽生, born 1963), Japanese shogi player
• Arisa Ishikawa (石川 安里沙) or Sumire (1987–2009), Japanese fashion model
• Bun'yō Ishikawa (石川 文洋, born 1938), Japanese photographer and photojournalist
• Chiaki Ishikawa (石川智晶, born 1969), Japanese musician
• Chu Ishikawa (石川 忠, born 1966), Japanese composer and musician
• Daichi Ishikawa (石川 大地, born 1996), Japanese footballer
• Goemon Ishikawa (石川 五右衛門, 1558–1594), Japanese outlaw hero
• Hajime Ishikawa (石川 元, born 1941), Japanese rower
• Haruna Ishikawa (石川 晴菜, born 1994), Japanese alpine skier
• Hideo Ishikawa (石川 英郎, born 1969), Japanese voice actor
• Hideshi Ishikawa (石川 日出志, born 1954), Japanese archaeologist
• Jun Ishikawa (石川 淳, 1899–1987), Japanese author
• Kaito Ishikawa (石川 界人, born 1993), Japanese voice actor
• Kaoru Ishikawa (石川 馨, 1915–1989), Japanese university professor, developer of the Ishikawa diagram
• Kasumi Ishikawa (石川 佳純, born 1993), female Japanese table tennis player
• Kei Ishikawa (石川 慧, born 1993), Japanese footballer
• Kenji Ishikawa (石川 健二, born 1946), Japanese swimmer
• Koji Ishikawa (いしかわ こうじ, born 1963), Japanese children's book author and illustrator
• Kōyō Ishikawa (石川 光陽, 1904–1989), Japanese photographer
• Masamochi Ishikawa (石川 雅望, 1754–1830), Japanese scholar, poet and writer
• Mayu Ishikawa (石川 真佑, born 2000), Japanese female volleyball player.
• Melody Miyuki Ishikawa (born 1982), Japanese-American pop singer and television host
• Miki Ishikawa (born 1991), Japanese-American actress and singer
• Miyuki Ishikawa (石川 ミユキ, 1897–1987), Japanese midwife and serial killer
• Masaji Ishikawa (石川 昌司, born 1947), North Korean defector and author
• Naohiro Ishikawa (石川 直宏, born 1981), Japanese football player
• Rika Ishikawa (石川 梨華, born 1985), Japanese idol, former member of Morning Musume
• Rokuro Ishikawa (石川 六郎, 1925–2005), Japanese businessman
• Ryo Ishikawa (石川 遼, born 1991), Japanese professional golfer
• Ryosuke Ishikawa (石川 良輔, *1931), Japanese entomologist
• Sanshirō Ishikawa (石川 三四郎, 1876-1956), Japanese anarcho-syndicalist
• Sayuri Ishikawa (石川 さゆり, born 1958), Japanese enka singer
• Shō Ishikawa (石川 翔, born 1999), Japanese baseball player
• Shoko Ishikawa (石川 翔子, born 1990), Japanese figure skater
• Shuji Ishikawa (石川 修司, born 1975), Japanese professional wrestler
• Takaya Ishikawa (石川 昂弥, born 2001), Japanese baseball player
• Tatsuya Ishikawa (石川 竜也, born 1979), Japanese footballer
• Tatsuzō Ishikawa (石川 達三, 1905–1985), Japanese writer
• Takuboku Ishikawa (石川 啄木, 1886-1912), Japanese poet
• Travis Ishikawa (born 1983), American professional baseball first baseman
• Yozo Ishikawa (石川 要三, 1925–2014), Japanese politician
• Yui Ishikawa (石川 由依, born 1989), Japanese voice actress
• Yuki Ishikawa (石川 雄規, born 1967), Japanese professional wrestler
• Yuki Ishikawa (石川 勇希, born 1995), Japanese professional wrestler
• Yūki Ishikawa (石川 祐希, born 1995), Japanese male volleyball player

• Keiko Ishikawa, a character in the American science fiction television series Star Trek: The Next Generation
• Ishikawa (Ghost in the Shell), a character in the Japanese seinen manga Ghost in the Shell
• Sensei Sadanobu Ishikawa, a character in the video game Ghost of Tsushima, voiced by and with motion-capture by François Chau
• Goemon Ishikawa XIII, a character in the Japanese manga series Lupin III
• Fumiko Ishikawa, a character in popular FNF community Skyverse
• Keisuke Ishikawa, comic relief antagonist in 1999 video game Racing Lagoon
• Ryo Ishikawa, the main antagonist in the video game Shogo: Mobile Armor Division