Last name Natsuyama (Natsuyama 
) , across the world, is an extremely rare family name. The cognomen Natsuyama is habitual in Cambodia, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and the United States.
Mr, Eiichi, Yoshio, Seiichi, Kenichi, Kiyoshi, Kyotadashi, Ryuichi, Toshio, Takashi, Harriet, Hiroshi, Masahiro, Katsususumu, Tomomitsu, Yasunori, Harriet H, Takeshi, Pyonte, Koichi, Susumu, Ko, Maki, Mina, Koji, Eiko, Eiki, Masao, Mikae, Sadao, Shiro, Akira, Kenji, Keizo, Hisao, Makoto, Saburo, Shigeo, Yoshihiro, and Yoshiyuki