Surname Promwang (Promwang 
) , around the world, is a rare family name. The cognomen Promwang is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is an extremely rare surname.
Supat, Chatchai, Chutimon, Boontawe, Piyachat, Thitiwan, Nattirat, Natdanai, Wipawanee, Sasimaporn, Kanokladda, Khanittha, Papatsara, Pimchanok, Piyathida, Thongluan, Narongsak, Nattaporn, Chatchawan, Pongsatorn, Artakorn, Padcharapon, Suphanee, Siwapong, Samran, Sirada, Suriya, Ailada, Bunmee, Kampee, Patama, Pailin, Mayuree, Sangiam, Sothorn, Apichet, Chornapa, Prasong, Pornpan, Radatip, Nattaya, Nongyao, Worawut, Supranee, and Phattaramon