Family name Melsy (Melsy 
) , globally, is a rare last name. The cognomen Melsy is characteristic of Latin America and the Caribbean, particularly Honduras, where it is quite a rare surname, Nicaragua, where it is a rare surname, and Venezuela, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Honduras, Indonesia, and Mexico. More prevalently, Melsy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Melsy | Colombia, Guatemala, Peru, Honduras, Indonesia |