Family name Alliegro (Alliegro 
) , across the world, is a rare cognomen. The last name Alliegro is habitual in Italy, where it is a rare surname, Venezuela, and Argentina, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Italy, the United States, and Venezuela. Much less frequently, Alliegro is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Alliegro | Colombia, Argentina, United States, Venezuela, Italy |
|
anselmo alliegro Prime Minister of Cuba (1899-1961), CU (b. 1899) |
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| giuseppe alliegro IT (b. 1916) |
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| italo del valle alliegro Venezuelan military personnel, VE (b. 1939) |
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| delba alliegro person identified in the Museu da Pessoa collection, BR (b. 1955) |
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| raffaello alliegro Italian long-distance runner, IT (b. 1964) |
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| alejandra mabel alliegro Argentine cyclist, AR (b. 1974) |
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Mr, Jean, Tara, Evan, Maria, Marie, Marco, Susan, Sonia, Chris, Carla, Carol, Clair, Kelly, Pablo, Paola, Peter, Piero, Ralph, Roger, Delba, Debra, Jene, Diego, Joan, Jose, Ms, Ali, Ana, Ann, Ada, Bob, Joe, Ted, Mark, Mike, Ally, Anni, Paul, Pete, Rosa, Rose, Lisa, Luis, Luiz, Jane, Jack, John, and Dirce