Last name Suewatanakul (Suewatanakul 
) , in all the world, is a very rare cognomen. The last name Suewatanakul is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Suewatanakul | Thailand |
| witoon suewatanakul Ph.D. University of Texas at Austin 1993 |
|