Aoyama (written: 青山 lit. "blue mountain") is a Japanese surname. Notable people with the surname include:
Ayari Aoyama, born 1982, Japanese butterfly swimmer
Gosho Aoyama, born 1963, Japanese manga artist (birthname: Yoshimasa Aoyama)
Hiroshi Aoyama, Japanese motorcycle racer
Jun Aoyama, Japanese footballer
Naoaki Aoyama, Japanese footballer
Shinji Aoyama, born 1964, Japanese film director
Shuhei Aoyama, Japanese motorcycle racer
Thelma Aoyama, born 1987, Japanese pop singer
Tōko Aoyama, born 1976, Japanese voice actress
Yōichi Aoyama, male Japanese popular music artist
Yutaka Aoyama, Japanese voice actor
Fictional characters:
Hajime Aoyama, character in Ghost Stories (anime)
Masaya Aoyama of Tokyo Mew Mew
Motoko Aoyama of Love Hina
Otaki Aoyama, character in the anime/manga series Oh My Goddess!
Shigeharu Aoyama, the main character in the Japanese film, Audition (film)
Shougo Aoyama of Toei Animation's Yu-Gi-Oh! movie (not the movie aired in North America)
Tessan Aoyama, a samurai in a folk version of a Japanese ghost story titled Banchō Sarayashiki
Saborou Aoyama, The Blue Ranger from the 1982 Super Sentai Series Goggle V