Cognomen Melfa (Melfa 
, Melpis) , in all the world, is a rare last name. The family name Melfa is habitual in Italy, where it is a rare surname, Honduras, and Argentina, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Italy, the United States, and Indonesia. More frequently, Melfa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Melfa | Indonesia, Italy, Philippines, United States, Democratic Republic of the Congo |
| piero melfa Italian composer, IT (b. 1944) |
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| giuseppina melfa researcher |
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| melfa rosdiana uli manullang Indonesian politician (born 1983 in Serang), ID (b. 1983) |
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