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