Cognomen Cortazzi (Cortazzi 
) , around the world, is a rare surname. The cognomen Cortazzi is habitual in Costa Rica, where it is a rare surname, Italy, and the United Kingdom, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Italy, the United Kingdom, and Brazil.
| VARIANT | COUNTRY |
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| Cortazzi | Brazil, Argentina, United Kingdom, United States, Italy |
| michele cortazzi before 1808–1865 (b. 1808) |
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| hugh cortazzi British diplomat, GB (b. 1924) |
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| maria cortazzi Brazilian political activist, BR (b. 1925) |
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| martin cortazzi (b. 1946) |
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Mr, Simone, Serena, Stefan, Andrea, Adrien, Chiara, Carmen, Carter, Connie, Corina, Rachel, George, Joseph, Egidia, Sabrina, Alessia, Alfredo, Antonio, Anthony, Carmine, Clarice, Marisa, Tania, Jorge, James, Ms, Eve, Alex, Aldo, Anna, Anne, Ross, Rina, Ruan, Jose, Poliana, Hugh, Minou, Sakae, Baxna, Becky, Bruno, Kevin, Rosey, Giada, Laura, Janet, Marco, and Roberto