Last name Melcky (Melcky 
) , globally, is an extremely rare cognomen. The last name Melcky is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname. More frequently, Melcky is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Melcky | Philippines, Argentina, Nicaragua, Brazil, United States |