Family name Trovao (Trovao 
) , in the entire world, is quite a rare last name. The family name Trovao is characteristic of Portugal, where it is quite a rare surname, Brazil, where it is a rare surname, and Canada. Measured by absolute frequency, it is the most numerous in Brazil, Portugal, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Trovao | Portugal, France, Canada, Brazil, United States |