Family name Melchy-Sedeck (Melchy-Sedeck 
) , throughout the world, is an extremely rare last name. Predominantly, Melchy-Sedeck is the forename as well as the last name. Parts of the name also exists independently as a first name Melchy, and a last name Sedeck.
| VARIANT | COUNTRY |
|---|---|
| Melchy-Sedeck | Democratic Republic of the Congo |