Cognomen บรมัตถ์ (บรมัตถ์ 
, Bonmat 
) , worldwide, is a very rare last name. The surname บรมัตถ์ is characteristic of Thailand, where it is a very rare surname, and Spain, where it is an extremely rare surname. Likewise, บรมัตถ์ is the forename as well as the last name.