Cognomen Lattanzi (Lattanzi 
) , around the world, is a common last name. The family name Lattanzi is habitual in Italy, where it is quite a common surname, Argentina, where it is quite a rare surname, and North Macedonia, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Italy, Argentina, and the United States. Much less frequently, Lattanzi is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Lattanzi | France, Argentina, Italy, Brazil, United States |
| giovanni battista lattanzi Roman Catholic bishop (b. 1699) |
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| giuseppe lattanzi IT (b. 1762) |
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tina lattanzi Italian actress and voice actress, IT (b. 1897) |
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riccardo lattanzi Italian association football referee, IT (b. 1934) |
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giorgio lattanzi Italian judge, IT (b. 1939) |
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| amedeo lattanzi sentenced to death during the World War II, IT (b. 1889) |
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flavia lattanzi Italian academician and jurist, IT (b. 1940) |
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giampiero lattanzi Italian politician (1958), IT (b. 1958) |
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| ugo lattanzi (b. 1899) |
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matt lattanzi American actor and dancer, US (b. 1959) |
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| augusto lattanzi Italian doctor, journalist and university professor (1918-2001), IT (b. 1918) |
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josh lattanzi American musician, US (b. 1971) |
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| franco lattanzi Italian film director and screenwriter, IT (b. 1925) |
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| luciano lattanzi Italiaans; schilder; 1925-01-03; Carrara (b. 1925) |
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niccolò lattanzi Italian volleyball player, IT (b. 1983) |
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