Surname กาหลง (กาหลง 
, Kalong 
) , in the entire world, is quite a common cognomen. The cognomen กาหลง is habitual in South-eastern Asia, particularly Brunei, where it is quite a rare surname, Thailand, and Malaysia. Not in comparison with a country's population, it is commonest in South-eastern Asia, particularly Thailand, Malaysia, and Indonesia. Likewise, กาหลง is the forename as well as the last name.