Last name วงศ์มาศ (Wongmas 
, วงศ์มาศ , Wongmat 
) , in the world, is a rare cognomen. The last name วงศ์มาศ is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, วงศ์มาศ is the forename as well as the last name.