Throughout the world, Choshan (Choshan 
) is an extremely rare epicene first name. Much more frequently, Choshan is the last name as well as the forename.
Ko, Shozo, Seiji, Akira, Akiko, Bunyu, Kaneo, Kazuo, Kaoru, Kenji, Keiji, Kunio, Genji, Jinan, Jitsu, Tamio, Takao, Takeo, Tadao, Tomio, Tokuo, Teruo, Shoji, Shuji, Shiro, Sadao, To, Ei, Yo, Ken, Kei, Kun, Iwa, Akio, Kozo, Koji, Teizo, Goro, Toru, Eiji, Eiyu, Eiwa, Ikuo, Ippu, Yuji, Masao, Morio, Mikio, Jiro, and Norio