Cognomen เสริมสวรรค์ (เสริมสวรรค์ 
, Sermsawan ) , around the world, is a very rare last name. The last name เสริมสวรรค์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, เสริมสวรรค์ is the forename as well as the last name.