Cognomen Plengplang (Plengplang 
) , around the globe, is a rare family name. The family name Plengplang is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Anong, Pornwarot, Praputsorn, Aksornruedee, Supornchai, Waramphon, Puangpen, Paweeraya, Sitthichai, Metharat, Waythaga, Waravut, Plengvut, Purttapong, Anukool, Apisit, Napat, Worawit, and Supitchaya