Family name Caiazzo (Caiazzo 
) , globally, is quite a common surname. The family name Caiazzo is habitual in Italy, where it is quite a common surname, Uruguay, where it is a rare surname, and France. In absolute terms, it most frequently occurs in Italy, the United States, and France. Very seldom, Caiazzo is the forename as well as the last name.
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| Caiazzo | Brazil, Italy, France, United States, Argentina |
| giuseppe caiazzo , O.S.A. †, Archbishop of Otranto, Italy ; Archbishop (b. 1805) |
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| ottavio caiazzo IT (b. 1891) |
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antonio giuseppe caiazzo IT (b. 1956) |
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| paolo caiazzo Italian actor, IT (b. 1967) |
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| alfonso caiazzo Italian surgeon (1968-), IT (b. 1968) |
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| tom caiazzo (b. 1966) |
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| robert caiazzo researcher (ORCID 0000-0001-5383-0540) (b. 1977) |
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| alfonso caiazzo Italian mathematician (1979- ), IT (b. 1979) |
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| guadalgrima di caiazzo Peerage person ID=704215 |
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| bill caiazzo college basketball player (1996–1996) University of California |
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| caiazzo c researcher |
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| chris caiazzo American politician, US |
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| i. caiazzo researcher, ORCID id # 0000-0002-4770-5388 |
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| laura caiazzo researcher ORCID ID = 0000-0001-7932-2499 |
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| massimo caiazzo Peerage person ID=442817 |
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