Surname Fidero (Fidero 
) , around the world, is a very rare last name. The surname Fidero is characteristic of Nicaragua, where it is a very rare surname, the United States, where it is an extremely rare surname, and Canada. Very seldom, Fidero is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fidero | Canada, Brazil, Nicaragua, United States |