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