In the world, Hosoyamada (Hosoyamada 
) is an extremely rare unknown gender given name. Much more frequently, Hosoyamada is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Hosoyamada | United States, Canada |
Ko, Mitsuo, Noboru, Hiromi, Hideki, Hitomi, Ryoichi, Michio, Tatsumi, Hiroshi, Hideaki, Takahito, Toshiaki, Yasuhiro, Mitsunobu, Tadashi, Toshihiro, Minori, Masami, To, Miyu, Akio, Rima, Rika, Toru, Mamoru, Morio, Akane, Kenji, Tadao, Isamu, Itsuo, Yukio, Shoji, and Yoshihiro