>
Family name Prayong (ประยงค์ , Prayong , ประยง ) , in the entire world, is quite a rare cognomen. The cognomen Prayong is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname, Malaysia, where it is a very rare surname, and Cambodia. In absolute terms, this name is the most popular in Thailand, Malaysia, and the United States. Much more frequently, Prayong is the forename as well as the last name.
Onta, Muangkhot, Sanpakaew, Chaiyarak, Chimpinit, Boonchauy, Kaewpayot, Limtragool, Jiranaparat, Thammarat, Hirankitti, Vanichsuvan, Wongsuwan, Mongkholnam, Srichamnan, Akharachaiphan, Kulsirirangsan, Kulsirirungsun, Prasobkaeo, Ratanapant, Treratanakulchai, Chuemuangphan, Jomsomsa, Lertkrai, Pompranee, Klinklom, Jujan, Samata, Saoman, Sirisa, Muangta, Sammayo, Somsong, Somwong, Bunloed, Kaewchu, Naruemannalinee, Kaewdee, Posriprasert, Ruamjit, Doklamyai, Tiemwad, Nahyiem, Hemanee, Unkudchuak, Usungnern, Muangdee, Channara, Kotsakha, and Chaowalitthawin