In all the world, Phommaxay (Phommaxay 
) is an extremely rare unknown gender given name. Much more frequently, Phommaxay is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Phommaxay | Laos, United States, Thailand |
| khounsombath phommaxay Laotian footballer, LA (b. 1988) |
|