Surname วายร้าย (Villain 
, Vilain 
, Villaiwan 
) , across the world, is a common last name. The family name วายร้าย is habitual in Reunion, where it is quite a common surname, France, and Cabo Verde. Not in comparison with a country's population, it most frequently occurs in France, Belgium, and Reunion. Very seldom, วายร้าย is the forename as well as the last name.