Family name Caproni (Caproni 
) , in the entire world, is quite a rare cognomen. The last name Caproni is characteristic of Italy, where it is quite a rare surname, Brazil, where it is a rare surname, and Belgium. Measured by absolute frequency, it is the most numerous in Brazil, Italy, and the United States. Very seldom, Caproni is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Caproni | Brazil, Italy, United States, France, Australia |
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giovanni battista caproni Italian aeronautical engineer, IT (b. 1886) |
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| pietro caproni American businessman (b. 1862) |
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| giorgio caproni Italian poet, literary critic and translator (1912-1990), IT (b. 1912) |
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| attilio mauro caproni Italian teacher and bibliographer (1941-), IT (b. 1941) |
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| valerie e. caproni United States District Judge, US (b. 1955) |
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| bruno caproni (b. 1960) |
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| marzia caproni researcher |
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| elena caproni researcher |
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| leonardo caproni researcher |
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| lorenzo caproni volleyball player, IT |
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