Family name Prefi (Prefi 
) , throughout the world, is a very rare cognomen. The cognomen Prefi is habitual in Germany, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and the United States. More prevalently, Prefi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prefi | Germany, Argentina, Venezuela, United States, Democratic Republic of the Congo |