Cognomen Hergy (Hergy 
) , in the world, is a very rare surname. The cognomen Hergy is habitual in Southern Europe, particularly Portugal, where it is a rare surname. Much more prevalently, Hergy is the forename as well as the last name.
Boc, Pradana, Pratomo, Pombolo, Galsinh, Lemaire, Ngouari, Kouzabidila, Ntsonde, Amboulou, Carvalho, Okollo-Ingoba, Rodrigues, Lagaillarde, Escarment, Meiyandi, Mayouma-Bameni, Bringas, Cahyono, Raka, Mbaya, Mboyo, Amicy, Ngami, Elion, Bahouna, Itoua, Samoni, Kodila, Mouang-Zamo, Moukoko, Almason, Auguste, Mayala, and Diamouangana