All around the world, Luy (លុយ 
, Luy 
) is quite a rare unisex forename. The given name Luy is characteristic of Cambodia, where it is quite a common unisex name, Vietnam, where it is a rare dominantly male, but seldom feminine name, and Romania, where it is a rare female name. In absolute terms, this name is the most popular in Cambodia, Vietnam, and Brazil. More prevalently, Luy is the last name as well as the forename.