Surname Suntawanic (Suntawanic 
) , in the world, is a very rare cognomen. The last name Suntawanic is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Suntawanic | Thailand |
Artit, Wassana, Pitchayapa, and Phacharawakorn