Family name 加隆 (Kalong 
, 加隆 
) , in the world, is quite a rare last name. The family name 加隆 is characteristic of South-eastern Asia, particularly Brunei, where it is quite a rare surname, Thailand, and Malaysia. Measured by absolute frequency, it is commonest in South-eastern Asia, particularly Thailand, Malaysia, and Indonesia. Likewise, 加隆 is the forename as well as the last name.