Family name Melchiade (Melchiade 
) , across the world, is a rare last name. The cognomen Melchiade is habitual in Burundi, where it is quite a rare surname, Italy, where it is a very rare surname, and France. Also, Melchiade is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Melchiade | Democratic Republic of the Congo, Italy, Burundi, Tanzania, Benin |