Last name Gasang (Gasang 
) , all around the world, is quite a rare family name. The cognomen Gasang is habitual in South-eastern Asia, particularly Philippines, where it is quite a rare surname, Malaysia, where it is a rare surname, and Singapore, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Philippines, Malaysia, and the United States. Much less frequently, Gasang is the forename as well as the last name.
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