Surname Vayakornvichit (Vayakornvichit 
) , around the world, is a very rare cognomen. The last name Vayakornvichit is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vayakornvichit | United States, Thailand |