Toriyama (written: 鳥山, 通山) is a Japanese surname. Notable people with this surname include:
Airi Toriyama (born 1989), Japanese actress and singer Akira Toriyama (1955–2024), Japanese manga artist and character designer Akira Toriyama (ophthalmologist) (1898–1994), Japanese ophthalmologist and photographer Motomu Toriyama, Japanese game director and scenario writer Toriyama Sekien (1712–1788), scholar and ukiyo-e artist