Cognomen Yug (Yug 
, 육 
) , in all the world, is quite a common surname. The last name Yug is characteristic of South Korea, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Bulgaria, where it is a rare surname. Measured by absolute frequency, it is the most numerous in South Korea, Malaysia, and Nigeria. Much less frequently, Yug is the forename as well as the last name.