Ishiguro (石黒 "black stone") is a Japanese surname. Notable people with the surname include:
Aya Ishiguro (石黒彩) (born 1978), a.k.a. Ayappe, singer
Hide Ishiguro, Wittgenstein scholar
Hideo Ishiguro (石黒英雄), Japanese actor
Hiroshi Ishiguro (石黒浩), professor at Osaka University who works in robotics
Kazuo Ishiguro (石黒一雄), British author
Keishichi Ishiguro (石黒敬七), Japanese judoka
Keisho Ishiguro (石黒敬章), Japanese photo collector
Ken Ishiguro (石黒賢), Japanese actor
Kenji Ishiguro (石黒健治), Japanese photographer
Masakazu Ishiguro (石黒正数), Japanese tennis manga artist
Masayuki Ishiguro (石黒将之), Japanese handball player who plays in German
Noboru Ishiguro (石黒昇), Japanese animator and anime series director
Osamu Ishiguro (石黒修), Japanese tennis player
Tatsuya Ishiguro (石黒竜也), Japanese kickboxer
Yumiko Ishiguro (石黒由美子), Japanese synchronized swimmer
Ishiguro Tadanori (石黒忠悳) (1845-1941), Japanese Army physician
