Globally, Tovio-Asato (Tovio-Asato 
) is an extremely rare unknown gender forename. Much more prevalently, Tovio-Asato is the last name as well as the forename. Parts of the name also exists independently as a last name Tovio, and a last name Asato.
| VARIANT | COUNTRY |
|---|---|
| Tovio-Asato | United States |