In the world, Derfy (Derfy 
) is a rare male first name. The first name Derfy is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare male name. Very seldom, Derfy is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Derfy | Democratic Republic of the Congo, Colombia, United States, India, Venezuela |