Surname Upat (อุปถัมภ์ 
, Upat 
) , all around the world, is quite a rare cognomen. The family name Upat is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname, Malaysia, where it is a very rare surname, and Philippines. Measured by absolute frequency, it most frequently occurs in Thailand, India, and Philippines. Very seldom, Upat is the forename as well as the last name.