Family name Prayongsak (Prayongsak ) , around the globe, is an extremely rare surname. Much more frequently, Prayongsak is the forename as well as the last name.
ประยงค์ศักดิ์
Klungklang
) , around the globe, is an extremely rare surname. Much more frequently, Prayongsak is the forename as well as the last name.