Last name พนมสุวรรณ (Panomsuwan 
, พนมสุวรรณ ) , worldwide, is a very rare family name. The last name พนมสุวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, พนมสุวรรณ is the forename as well as the last name.