Cognomen ลุ้ย (Lui 
, ลุ้ย) , around the globe, is a common surname. The family name ลุ้ย is characteristic of Hong Kong, where it is a common surname, Bermuda, and Cayman Islands (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Hong Kong, China, and Malaysia. Likewise, ลุ้ย is the forename as well as the last name.