Family name 梅尔基奥尔 (Melchior 
, 梅尔基奥尔) , all around the world, is a common cognomen. The surname 梅尔基奥尔 is habitual in Luxembourg, where it is quite a common surname, Denmark, where it is quite a rare surname, and Belgium. Not in comparison with a country's population, the name is most common in Germany, Brazil, and the United States. Likewise, 梅尔基奥尔 is the forename as well as the last name.