Cognomen Larrosa (Larrosa 
, Ларроса 
, لاروسا) , all around the world, is a common last name. The cognomen Larrosa is habitual in Latin America and the Caribbean, particularly Uruguay, where it is a common surname, Paraguay, where it is quite a common surname, and Argentina. Much less frequently, Larrosa is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Larrosa | Paraguay, Argentina, Spain, Brazil, Uruguay |
| Ларроса | Ukraine |
| facundo larrosa (1819-1888), ES (b. 1819) |
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| aurora curbelo larrosa Uruguayan writer, UY (b. 1884) |
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| josé yarnoz larrosa Spanish architect, ES (b. 1884) |
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omar larrosa Argentine footballer, AR (b. 1947) |
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| marcos larrosa violinist and composer (1897-1949), AR (b. 1897) |
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| josep bergé larrosa Spanish painter (b. 1904) |
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jorge capapey larrosa ES (b. 1945) |
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| maria jesús andreu larrosa ES (b. 1900) |
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| marion aguilera larrosa Uruguayan writer, UY (b. 1935) |
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| aurelio torrente larrosa 1935--2006; Larrosa, Aurelio Torrente (b. 1935) |
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| emilio larrosa television producer, MX (b. 1941) |
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| luis roberto siri larrosa UY (b. 1938) |
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| nora elma larrosa Argentine professor, AR (b. 1950) |
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| horacio larrosa Argentine journalist, AR (b. 1952) |
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| luis larrosa Uruguayan basketball player, UY (b. 1958) |
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