Cognomen วันใหม่ (Wanmai 
, Wonmai 
, วันใหม่) , all around the world, is a very rare family name. The cognomen วันใหม่ is characteristic of Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Much more frequently, วันใหม่ is the forename as well as the last name.