Cognomen Rieci (Rieci 
) , worldwide, is an extremely rare family name. The cognomen Rieci is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, and Brazil, where it is an extremely rare surname. More prevalently, Rieci is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rieci | Nicaragua, France, Brazil, Philippines |