Cognomen Sewakul (Sewakul 
) , all over the world, is a very rare surname. The cognomen Sewakul is characteristic of Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Very seldom, Sewakul is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sewakul | India, Thailand |
Phakkajira, and Arpassara