Cognomen Trotti (Trotti 
, تروتي) , globally, is quite a rare last name. The surname Trotti is habitual in Italy, where it is quite a rare surname, Argentina, and Switzerland, where it is a rare surname. In absolute terms, it is the most numerous in Italy, the United States, and Argentina. Very seldom, Trotti is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Trotti | Belgium, Italy, United States, Argentina, Brazil |
| bartolomeo trotti IT (b. 1401) |
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| giacomo trotti IT (b. 1423) |
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giovan battista trotti Italian painter (1555-1619), IT (b. 1555) |
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gian galeazzo trotti Italian condottiero, IT (b. 1599) |
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| giovanni battista trotti milanese politician, IT (b. 1569) |
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| lorenzo trotti archbishop of the Roman Catholic Church, IT (b. 1633) |
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costanza trotti Italian noblewoman, AT (b. 1800) |
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ludovico trotti Italian politician, IT (b. 1829) |
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| constance trotti Belgian noble, socialite, salon holder (b. 1800) |
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| ardingo trotti IT (b. 1797) |
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| samuel w. trotti American politician, US (b. 1810) |
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| ercole mosti trotti Italian politician, IT (b. 1864) |
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| lamar trotti American film producer, US (b. 1900) |
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| sandro trotti Italian artist, IT (b. 1934) |
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| john boone trotti (b. 1935) |
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