Last name กูน (Kun 
, Guun 
, กูน 
) , throughout the world, is a common cognomen. The cognomen กูน is habitual in Hungary, where it is a common surname, Marshall Islands, where it is quite a common surname, and Macao (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Indonesia, Malaysia, and Hungary. More prevalently, กูน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kun | Hungary, India, Indonesia, Malaysia, China |
| Guun | France, United States, India, Mexico, China |
| กูน | Thailand |