Cognomen สุขวิไล (Happiness 
, สุขวิไล 
, Sukvilai ) , all around the world, is a common surname. The last name สุขวิไล is characteristic of Sub-Saharan Africa, particularly Nigeria, where it is quite a common surname, Niger, where it is a rare surname, and South Africa. Also, สุขวิไล is the forename as well as the last name.