All around the world, Nantasaen (นันทสาร 
, Nantasaen ) is a very rare mostly boy's, but uncommonly girly given name. The forename Nantasaen is habitual in South-eastern Asia, particularly Thailand, where it is a very rare mostly masculine, but infrequently feminine name. More frequently, Nantasaen is the last name as well as the forename.