Surname Phosay (Phosay 
) , globally, is a rare cognomen. The last name Phosay is characteristic of Laos, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Likewise, Phosay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phosay | India, United States, Laos |