Cognomen Casetta (Casetta 
) , around the world, is quite a rare surname. The surname Casetta is habitual in Italy, where it is quite a rare surname, Argentina, where it is a rare surname, and France. In absolute terms, it is commonest in Italy, Argentina, and Brazil. Much less frequently, Casetta is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Casetta | Brazil, Italy, Argentina, United States, France |
| mario casetta Italian association football referee (1898-1976), IT (b. 1898) |
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| elio casetta academic (1923 - 2012), member of the Accademia delle Scienze di Torino since 1967, IT (b. 1923) |
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| antonio casetta Italian entrepreneur, IT (b. 1928) |
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| louise-yvonne casetta French political advisor, FR (b. 1942) |
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| jean-baptiste casetta French politician, FR (b. 1943) |
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belén casetta Argentine female steeplechase runner, AR (b. 1994) |
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| giuseppe casetta Italian Vallumbrosan abbot (1958-), IT (b. 1958) |
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| bruno casetta researcher |
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| elena casetta researcher |
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| cecilia casetta researcher |
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| ilaria casetta researcher |
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| giovanni casetta researcher |
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