Cognomen Di Bartolo (Di Bartolo 
) , worldwide, is quite a rare last name. The cognomen Di Bartolo is habitual in San Marino, where it is a common surname, Italy, where it is quite a rare surname, and Argentina. In absolute terms, it is commonest in Italy, Argentina, and France.
| VARIANT | COUNTRY |
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| Di Bartolo | Argentina, France, San Marino, Italy, United States |
| andrea di bartolo Medieval Italian painter, stained glass designer and illuminator of the Sienese School (1360-1428), IT (b. 1360) |
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| domenico di bartolo Italian painter (c.1400-c.1445), IT (b. 1400) |
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vincenzo di bartolo Italian navigator, IT (b. 1802) |
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| salvatore di bartolo IT (b. 1839) |
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| gabriele di bartolo Sammarinese politician, SM |
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| antonio di bartolo SM |
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| francesco di bartolo SM |
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| vincenzo di bartolo gombertini SM |
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| biagio di bartolo pasini SM |
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Sam, Dana, Dina, Dino, Dora, Gaia, Gisa, Lina, Lino, Lisa, Rudy, Luca, Luis, Jose, John, Juan, Judy, Tara, Taya, Tony, Toni, Lucy, Rita, Rosa, Pino, Ana, Ary, Pia, Guy, Leo, Lia, Joe, Joy, Fay, Ivo, Mary, Mimy, Sara, Saro, Alex, Alba, Alle, Aldo, Anna, Ciro, Paul, Tina, and Nina