Ishiyama

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


 * George Ishiyama (1914–2003), Japanese-American businessman
 * John Ishiyama (born 1960), political scientist
 * Masumi Ishiyama (born 1981), Japanese cricketer

Fictional characters:
 * Yumi Ishiyama, main character from the French animated TV series Code Lyoko and Code Lyoko: Evolution.
 * Principal Ishiyama, secondary character from Danny Phantom
 * Ken Ishiyama, a character in My Hero Academia