Cognomen Forestieri (Forestieri 
) , in the world, is quite a rare last name. The cognomen Forestieri is habitual in Italy, where it is quite a rare surname, Paraguay, and Argentina, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Italy, Argentina, and the United States. Much less frequently, Forestieri is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Forestieri | Italy, Paraguay, Brazil, United States, Argentina |
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biagio forestieri Italian actor, IT (b. 1978) |
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fernando forestieri Italian-Argentine professional association football player, AR (b. 1990) |
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| liane forestieri German actress, DE (b. 1975) |
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| valeria forestieri researcher |
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| nina e forestieri researcher |
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| angelo forestieri researcher |
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| pietro forestieri researcher |
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| maurizio forestieri film director |
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