Family name Melgior (Melgior 
) , throughout the world, is a very rare surname. The cognomen Melgior is characteristic of Argentina, where it is a rare surname, and Spain, where it is an extremely rare surname. Very seldom, Melgior is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Melgior | South Africa, Philippines, Spain, Argentina |