Family name Giannettino (Giannettino 
) , all over the world, is a rare surname. The family name Giannettino is characteristic of Italy, where it is a rare surname, Argentina, and the United States, where it is a very rare surname. Much less frequently, Giannettino is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Giannettino | United States, Italy, Spain, Argentina |
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giannettino doria lieutenant of Andrea Doria who defeated Dragut in the Battle of Girolata (b. 1510) |
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giannettino odone politician, IT (b. 1626) |
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| giannettino giustiniani (b. 1595) |
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| giannettino gonzaga IT (b. 1602) |
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| luigi giannettino IT (b. 1883) |
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Sam, Lynn, Jack, Jose, John, Jean, Juan, Judy, Toni, Nick, Elsa, Eric, Hugo, Maria, Mario, Marta, Marco, Susan, Alida, Aaron, Carol, Brian, Luis, Karen, Gino, Rose, Ana, Amy, Kim, Ron, Joe, Jim, Val, Ida, Marc, Mary, Matt, Mike, Aldo, Andy, Anna, Adam, Chip, Carl, Paul, Raul, Rosa, Rita, and Kevin