Cognomen Viengsavan (Viengsavan 
) , across the world, is an extremely rare surname. Predominantly, Viengsavan is the forename as well as the last name.
Sen, Phitsnoukanh, Sayasane, Sayasene, Shinkham, Sisuphan, Sihapanya, Sayavongsa, Sithiphong, Douangphoxay, Douangmany, and Nanthavong