Family name Campolongo (Campolongo 
) , around the globe, is quite a rare surname. The last name Campolongo is characteristic of Italy, where it is quite a rare surname, Argentina, where it is a rare surname, and Switzerland. Not in comparison with a country's population, this name is the most popular in Italy, Argentina, and Brazil. Much less frequently, Campolongo is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Campolongo | Canada, Argentina, United States, Brazil, Italy |
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emilio campolongo IT (b. 1550) |
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| emmanuele campolongo IT (b. 1732) |
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francesco campolongo politician (1861-1942), IT (b. 1861) |
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carlos campolongo Argentinian psychologist, lawyer and journalist, AR (b. 1947) |
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| alberto campolongo Italian chess player (1912-?), IT (b. 1912) |
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| claudia campolongo Italian actress and musician (1975-), IT (b. 1975) |
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| patrizia campolongo researcher |
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| giovanni da campolongo Roman Catholic bishop |
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| antonia campolongo researcher |
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| davi campolongo Brazilian pianist, BR |
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