Surname Phetmixay (Phetmixay 
) , in the entire world, is a rare last name. The cognomen Phetmixay is characteristic of Laos, where it is quite a rare surname, Canada, where it is a very rare surname, and France, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Laos, the United States, and Canada. Very seldom, Phetmixay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phetmixay | France, United States, Thailand, Laos, Canada |