Cognomen สิงห์สุพรรณ (สิงห์สุพรรณ 
, Singsupun , Singsuphan ) , all around the world, is a rare family name. The cognomen สิงห์สุพรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, สิงห์สุพรรณ is the forename as well as the last name.