Cognomen แทนสกุล (แทนสกุล 
, Tansuek , Tanskul 
) , all around the world, is a rare surname. The cognomen แทนสกุล is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tansuek, แทนสกุล | Thailand |
| Tanskul | United States, Thailand |