Surname ธัญญพงษ์ (ธัญญพงษ์ 
) , all around the world, is a very rare family name. The last name ธัญญพงษ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, ธัญญพงษ์ is the forename as well as the last name.