Surname Douangvilay (Douangvilay 
) , worldwide, is quite a common cognomen. The family name Douangvilay is characteristic of Laos, where it is quite a common surname, Thailand, where it is a very rare surname, and the United States. Very seldom, Douangvilay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Douangvilay | Laos, United States, Thailand, Canada |
May, Somphou, Somphet, Amnouay, Brandin, Ketmany, Kithsana, Phanith, Darline, Lymingky, Nittaya, Inpanat, Manychan, Sangvane, Sinaline, Sisavath, Chittala, Bouakhay, Lathsamee, Sudaphone, Chanhthajone, Bounchanh, Michael, Phoukhong, Davone, Souphy, Mai, Kay, Dee, Onh, Mike, Sieu, Sone, Thoy, Tina, Sanya, Sivay, Chome, Papao, Ricky, Gavin, Jason, Naomi, Nevin, Vilay, Xouay, Siphay, Amphay, and Vanthanom