Family name لونج (Long 
, Lung , لونج 
) , worldwide, is a widespread last name. The surname لونج is characteristic of Malaysia, where it is a common surname, Macao, and Cayman Islands (explore the name in all countries). Measured by absolute frequency, the name is most common in China, the United States, and Malaysia. Much less frequently, لونج is the forename as well as the last name.