Surname Vasalo (Wasal 
, Vassal 
, Vasalo 
) , in all the world, is quite a rare family name. The surname Vasalo is habitual in France, where it is quite a rare surname, Portugal, and Egypt, where it is a rare surname. Measured by absolute frequency, it is commonest in France, Egypt, and Pakistan. Likewise, Vasalo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wasal | Saudi Arabia, Egypt, United States, India, Pakistan |
| Vassal | Portugal, United States, India, France, Democratic Republic of the Congo |
| Vasalo | Spain, United States, India, Argentina, Brazil |
| Vasall | India |