Family name ลาย (Lai 
, Laib 
, Polka 
) , globally, is a widespread cognomen. The surname ลาย 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 is the most numerous in China, Malaysia, and Hong Kong. Very seldom, ลาย is the forename as well as the last name.