Last name Sigisfredo Bernardo (Sigisfredo Bernardo 
) , worldwide, is an extremely rare surname. The family name Sigisfredo Bernardo is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Sigisfredo Bernardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sigisfredo Bernardo | Germany, Chile |