Cognomen Kokaphan (Kokaphan 
) , globally, is a rare last name. The cognomen Kokaphan is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
Sert, Jenny, Khampa, Ratree, Korawit, Nutpassorn, Siriporn, Chanchai, Thongnak, Natvarin, Saengrawee, Chayangkul, and Chayangkool