Surname วิไลทรัพย์ (วิไลทรัพย์ 
, Wilaisap ) , globally, is a rare last name. The last name วิไลทรัพย์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, วิไลทรัพย์ is the forename as well as the last name.