Surname Uok (Uok 
) , in all the world, is a very rare cognomen. The last name Uok is characteristic of South-eastern Asia, particularly Malaysia, where it is a very rare surname, Cambodia, and Thailand, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in China, Malaysia, and Pakistan. Also, Uok is the forename as well as the last name.