Cognomen ประโยง (ประโยง ) , throughout the world, is an extremely rare last name. Much more frequently, ประโยง is the forename as well as the last name.
Prayong
ชายชุม, and เพียะผาบ
) , throughout the world, is an extremely rare last name. Much more frequently, ประโยง is the forename as well as the last name.