Family name Vichitkulwongsa (Vichitkulwongsa 
) , worldwide, is a very rare last name. The cognomen Vichitkulwongsa is characteristic of Thailand, where it is a very rare surname, Cambodia, and China, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vichitkulwongsa | China, United States, Cambodia, Thailand |