Surname กับตัน (Kaptan 
, กับตัน 
) , around the globe, is quite a rare cognomen. The surname กับตัน is characteristic of Bahrain, where it is quite a rare surname, North Macedonia, and Latvia. In absolute terms, it is the most numerous in India, Germany, and Saudi Arabia. Predominantly, กับตัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaptan | Saudi Arabia, Nepal, Bangladesh, Germany, India |
| กับตัน | Thailand |