Surname ยาวิลาส (ยาวิลาส 
, Yavilas 
) , around the world, is a rare cognomen. The cognomen ยาวิลาส is characteristic of South-eastern Asia, particularly Singapore, where it is a rare surname, and Thailand.
| VARIANT | COUNTRY |
|---|---|
| ยาวิลาส | Thailand |
| Yavilas | Singapore, Thailand |