Surname Mefy (Mefy 
) , worldwide, is a very rare last name. The family name Mefy is habitual in Honduras, where it is a very rare surname, the United States, where it is an extremely rare surname, and India. Much more prevalently, Mefy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mefy | Guatemala, India, Democratic Republic of the Congo, United States, Honduras |