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
See also
edit- Ishiyama Hongan-ji, a Japanese building