Cognomen Labaji (Labaji 
) , in the entire world, is a very rare family name. The cognomen Labaji is characteristic of South-eastern Asia, particularly Malaysia, where it is a very rare surname, Thailand, and Philippines, where it is an extremely rare surname. In absolute terms, this name is the most popular in Thailand, India, and Malaysia. More prevalently, Labaji is the forename as well as the last name.