Family name والس (Walls 
, والس 
, Volis 
) , across the world, is a common last name. The family name والس is characteristic of Marshall Islands, where it is quite a common surname, the United States, and Ireland. In absolute terms, it is commonest in the United States, the United Kingdom, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Walls | United Kingdom, Australia, Ireland, United States, Canada |
| والس | Iran |
| Volis | Romania, United Kingdom, Australia, United States, Canada |