Cognomen Suphen (Suphen 
) , in all the world, is a very rare last name. The family name Suphen is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much more frequently, Suphen is the forename as well as the last name.
Klommi, Kitsermsap, Sapprasert, Gloudeman, Greenough, Phuksawattanachai, Khosripong, Sueathong, Sukhonpatiphak, Udomkitkosol, Trivaudom, Liamsuwan, Piamsak, Kaewkij, Corduck, Saechua, Taenwitayanon, Tanton, Pantee, Khorosklang, and Thawatcharaphorn