Last name กุ่น (Kun 
, กุ่น) , in the world, is a common cognomen. The cognomen กุ่น is characteristic of Hungary, where it is a common surname, Marshall Islands, where it is quite a common surname, and Macao (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Indonesia, Malaysia, and Hungary. More frequently, กุ่น is the forename as well as the last name.