Surname Hongvilay (Hongvilay 
) , in all the world, is a rare cognomen. The family name Hongvilay is characteristic of Laos, where it is quite a rare surname, Thailand, where it is an extremely rare surname, and the United States. Likewise, Hongvilay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hongvilay | Laos, United States, Thailand |