Surname ล้าย (Lai 
, ล้าย) , worldwide, is a widespread cognomen. The cognomen ล้าย is habitual in Hong Kong, where it is a prevalent surname, Macao, where it is a widespread surname, and Bermuda (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in China, Malaysia, and Hong Kong. Very seldom, ล้าย is the forename as well as the last name.