Cognomen Dezza (Dezza 
) , throughout the world, is a rare family name. The cognomen Dezza is habitual in Italy, where it is a rare surname, Belgium, and Argentina. Not in comparison with a country's population, it most frequently occurs in Italy, Argentina, and Morocco. Likewise, Dezza is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Dezza | Indonesia, Philippines, Morocco, Argentina, Italy |
| johann baptist malfatti von rohrenbach und dezza (b. 1735) |
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| franz malfatti von rohrenbach und dezza (b. 1741) |
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giuseppe dezza Italian general, patriot and politician (1830-1898), IT (b. 1830) |
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| leopold malfatti von rohrenbach zu dezza (b. 1812) |
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| paolo dezza Catholic cardinal, IT (b. 1901) |
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| ettore dezza IT (b. 1951) |
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| ernesto dezza (b. 1974) |
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