Cognomen Di Antonio (Diantonio 
, Di Antonio 
) , around the globe, is quite a rare last name. The cognomen Di Antonio is habitual in San Marino, where it is a widespread surname, Italy, where it is quite a rare surname, and Argentina, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Italy, the United States, and San Marino.
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| Diantonio | Italy, Canada, Argentina, United States, France |
| Di Antonio | Italy, Canada, Argentina, United States, San Marino |
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carlo di antonio Belgian politician, BE (b. 1962) |
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| marc di antonio botanist |
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| marco di antonio researcher |
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| bartolo di antonio Sammarinese politician, SM |
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| simone di antonio belluzzi Sammarinese politician, SM |
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| luca di antonio researcher |
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| giovanni di antonio lunardini SM |
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| girolamo di antonio SM |
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| bartolomeo di antonio amanti SM |
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| bartolino di antonio SM |
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| francesco di antonio belluzzi SM |
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| giacomo di antonio giannini SM |
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| polinoro di antonio lunardini SM |
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| maurizio di antonio lunardini SM |
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| giovanni antonio di antonio SM |
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Ana, Mario, Marta, Marco, Mauro, Mirko, Sonia, Steve, Alice, Alfio, Carlo, Carla, Clara, Cleto, Brian, Bruno, Kevin, Kreni, Paola, Paolo, Peter, Pedro, Maria, Ivan, Fred, Neil, Ron, Joy, Iva, Marc, Mary, Mark, Sara, Anna, Anne, Asia, Piero, Paul, Rino, Rita, Dana, Dino, Gino, Lena, Lory, Luca, John, Tony, Pino, and Renzo