Family name Sungkhavanich (Sungkhavanich 
) , in the entire world, is a very rare cognomen. The last name Sungkhavanich is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sungkhavanich | Thailand |
Sompop, Kochawan, and Autcharobon