Cognomen พลสิน (พลสิน 
, Phonsin 
, Ponsin 
) , globally, is a rare family name. The cognomen พลสิน is habitual in France, where it is quite a rare surname, Thailand, where it is a rare surname, and Belgium, where it is a very rare surname. In absolute terms, this name is the most popular in France, Thailand, and Spain. Very seldom, พลสิน is the forename as well as the last name.