Cognomen Plazi (Plazi 
) , in the world, is a very rare family name. The cognomen Plazi is characteristic of France, where it is a very rare surname, the United States, where it is an extremely rare surname, and Brazil. More prevalently, Plazi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Plazi | Brazil, Peru, United States, Democratic Republic of the Congo, France |