Ishiyama
Ishiyama is a Japanese surname. Notable people with the surname include:
- George Ishiyama, Japanese-American businessman
- John Ishiyama, political scientist
- Masumi Ishiyama, Japanese cricketer
- 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