Surname D'Aiuto (D'Aiuto 
) , throughout the world, is a rare family name. The surname D'Aiuto is characteristic of Italy, where it is quite a rare surname, Switzerland, where it is a rare surname, and Argentina, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Italy, Germany, and the United States. Very seldom, D'Aiuto is the forename as well as the last name.
| VARIANT | COUNTRY |
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| D'Aiuto | Switzerland, Italy, United States, Germany, Argentina |
| gabriella d'aiuto (b. 1941) |
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| francesco d'aiuto Italian byzantinist (1967-), IT (b. 1967) |
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| francesco d'aiuto Italian periodontist (1973-), IT (b. 1973) |
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| massimiliano d'aiuto researcher (ORCID 0000-0002-4188-5226) |
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| leonardo d'aiuto researcher ORCID ID = 0000-0002-7102-2093 |
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| giuseppe d'aiuto researcher |
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| filippo d'aiuto Italian cyclist, IT |
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Mr, Olga, Yuri, Maria, Mario, Marta, Marco, Milva, Scott, Anita, Carlo, Bruna, Kathy, Katia, Katie, Paula, Paolo, Peter, Rocco, David, Diana, Diego, Vito, Doris, Enza, Tony, Ron, Len, Joe, Mary, Mark, Mara, Mike, Sara, Anna, Paul, Rosa, Rose, Ruth, Dena, Dale, Dina, Dino, Gaia, Luca, Jose, Juan, Enzo, and Giusy