Surname อุ๊ (U 
, อุ๊, Ounk) , around the world, is a widespread cognomen. The family name อุ๊ is characteristic of Mongolia, where it is a common surname, Macao, and Liechtenstein, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, it is commonest in India, Indonesia, and China. More frequently, อุ๊ is the forename as well as the last name.