Surname กะทัน (Kathan 
, กะทัน 
) , all over the world, is quite a rare family name. The surname กะทัน is characteristic of Liechtenstein, where it is quite a common surname, Austria, where it is quite a rare surname, and Mauritius. Not in comparison with a country's population, it is commonest in Malaysia, Germany, and the United States. Very seldom, กะทัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kathan | Malaysia, United States, India, Austria, Germany |
| กะทัน | Thailand |