Cognomen Nouphay (Nouphay 
) , in the entire world, is an extremely rare family name. Much more prevalently, Nouphay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nouphay | United States, Laos, Thailand |
Pho, Siphom, Sutimek, Colberg, Boupphanouvong, Keokham, Detoudom, Diduangleuth, Thepsary, Sengkhounmany, Kongphongmany, Phengchanh, Sengsourivong, and Phrachansiri