Moriyama (written: 森山 lit. "forest mountain", 盛山 or 守山) is a Japanese surname. Notable people with the surname include:
, Japanese photographer , Japanese manga artist , Japanese actor and voice actor , Japanese politician , Japanese volleyball player , Japanese judoka , Japanese baseball player , Japanese politician , Japanese samurai and interpreter , Japanese politician , Japanese actor and dancer Raymond Moriyama (1929–2023), Canadian architect , Japanese baseball player , Japanese singer , Japanese actor and voice actor , Japanese jazz drummer , Japanese volleyball player , Japanese baseball player , Japanese sport wrestler , Japanese footballer , Japanese footballer , Japanese animator