Cognomen Буджанг (Bujang 
, Буджанг 
) , all over the world, is a common last name. The surname Буджанг is characteristic of South-eastern Asia, particularly Brunei, where it is a common surname, Malaysia, where it is quite a common surname, and Singapore, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in South-eastern Asia, particularly Malaysia, Indonesia, and Brunei. Much less frequently, Буджанг is the forename as well as the last name.