Surname توسو (Toso 
, Tussaud 
, توسو 
) , worldwide, is a common family name. The family name توسو is habitual in Italy, where it is quite a common surname, Argentina, where it is quite a rare surname, and Uruguay. Measured by absolute frequency, it is commonest in Italy, Japan, and Brazil. Very seldom, توسو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Toso | Brazil, Italy, Argentina, Japan, United States |
| Tussaud | Italy, United Kingdom, France |
| توسو | Egypt |