Cognomen Crotto (Crotto 
) , around the globe, is a rare last name. The last name Crotto is characteristic of Argentina, where it is a rare surname, Italy, and France, where it is a very rare surname. In absolute terms, it most frequently occurs in Argentina, Italy, and the United States. Very seldom, Crotto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Crotto | Germany, France, Argentina, Italy, United States |
| elio giulio crotto IT (b. 1495) |
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josé camilo crotto Argentinian politician, AR (b. 1863) |
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rachel crotto American chess player, US (b. 1958) |
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| paul crotto American artist, US (b. 1922) |
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giovanni crotto author (-1540) |
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| marcos crotto Argentine journalist, AR (b. 1980) |
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Sam, Ivan, Maria, Mjean, Shawn, Simon, Susan, Sonia, Angie, Annie, Ailsa, Ayden, Cesar, Clara, Cyril, Bruno, Kayla, Paula, Pedro, Robin, Delia, David, Hugo, Edel, Elba, Nick, Ana, Amy, Paz, Leo, Ema, Mary, Aldo, Adam, Asia, Agus, Diego, Raul, Dane, Gail, Leda, Luca, Luis, Lynn, Jade, Jose, John, Juan, Robt, and Dixie