Cognomen Vanmixay (Vanmixay 
) , worldwide, is a very rare family name. The surname Vanmixay is habitual in South-eastern Asia, particularly Laos, where it is a rare surname, and Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vanmixay | Laos, Thailand |
Oulaivanh, Phonesavanh, and Chanthaphone