Cognomen Vatto (Vatto 
) , around the globe, is a rare last name. The last name Vatto is habitual in Finland, where it is quite a rare surname, Estonia, where it is a rare surname, and Switzerland. Not in comparison with a country's population, it most frequently occurs in Finland, Pakistan, and India. More prevalently, Vatto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vatto | Estonia, Finland, Switzerland, India, Pakistan |