Surname Suntawanik (Suntawanik 
) , across the world, is a very rare cognomen. The last name Suntawanik is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Suntawanik | Thailand |
Sunanta, Kanuengnit, and Phacharawakorn