Cognomen Walso (Walso 
) , all over the world, is a very rare family name. The last name Walso is habitual in Norway, where it is a very rare surname, Malaysia, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Malaysia, the United States, and Norway. Also, Walso is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Walso | Norway, Brazil, Canada, United States, Malaysia |