Cognomen De-Feo (De-Feo 
) , all over the world, is an extremely rare last name. The last name De-Feo is characteristic of the United Kingdom, where it is an extremely rare surname, and the United States. Parts of the name also exists independently as a last name De, and a last name Feo.
| VARIANT | COUNTRY |
|---|---|
| De-Feo | United States, United Kingdom |