All around the world, Heigen (Heigen 
) is an extremely rare boy's first name. Predominantly, Heigen is the last name as well as the forename.
Ko, Jika, Taku, Toru, Eiko, Eiji, Eiyu, Isao, Ikuo, Ikko, Ichi, Ippu, Waku, Yuzo, Yuji, Masao, Masuo, Morio, Misao, Mikio, Sadao, Shiro, Gaku, Shubi, Kuri, Kozo, Ri, To, Ei, Ho, Yo, Yu, Man, Sho, Aki, Ken, Kun, Kin, Kyu, Kyo, Ryo, Iwa, Shin, Asao, Akio, Aiko, Koki, Koji, and Shuji