Last name Keang (Keang 
) , throughout the world, is quite a rare cognomen. The cognomen Keang is characteristic of South-eastern Asia, particularly Malaysia, where it is quite a common surname, Singapore, where it is quite a rare surname, and Cambodia, where it is a rare surname. Not in comparison with a country's population, it is commonest in Malaysia, Indonesia, and China. Much less frequently, Keang is the forename as well as the last name.