Cataldi is an Italian surname. Notable people with the surname include:
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Angelo Cataldi (born 1951), American radio personality
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Anna Cataldi (1939–2021), Italian humanitarian and journalist
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Annaclara Cataldi Palau, Italian paleographer
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Danilo Cataldi (born 1994), Italian footballer
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Lee Cataldi (born 1942), Australian poet
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Marianna Cataldi (born 1976), Italian singer-songwriter and composer
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Pietro Cataldi
Pietro Antonio Cataldi (15 April 1548, Bologna – 11 February 1626, Bologna) was an Italian mathematician. A citizen of Bologna, he taught mathematics and astronomy and also worked on military problems. His work included the development of simple ...
(1548–1626), Italian mathematician
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Renato Cataldi
Renato Cataldi (born December 25, 1909, São Paulo, Brazil; died May 29, 1981, Rio de Janeiro
Rio de Janeiro, or simply Rio, is the capital of the Rio de Janeiro (state), state of Rio de Janeiro. It is the List of cities in Brazil by popul ...
(1909–1981), Brazilian painter
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Italian-language surnames