Cognomen Troviano (Troviano 
) , around the globe, is a very rare surname. The last name Troviano is characteristic of Latin America and the Caribbean, particularly Argentina, where it is a very rare surname, and Chile, where it is an extremely rare surname. Very seldom, Troviano is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Troviano | Chile, Argentina, Colombia |