Cognomen Trosello (Trosello 
) , in the world, is a very rare last name. The last name Trosello is characteristic of South Africa, where it is a very rare surname, Italy, and France, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in South Africa, Italy, and the United States. Much less frequently, Trosello is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trosello | Philippines, Italy, France, United States, South Africa |