Family name Rennella (Rennella 
) , around the globe, is a rare surname. The cognomen Rennella is characteristic of Italy, where it is a rare surname, Argentina, and Czechia. Not in comparison with a country's population, it is the most numerous in Italy, Argentina, and the United States. Very seldom, Rennella is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Rennella | Colombia, Argentina, Italy, Czechia, United States |
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cosme rennella Italian-ecuadorian flying ace, IT (b. 1890) |
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vincenzo rennella footballer, FR (b. 1988) |
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| raffaelle rennella (b. 1961) |
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| enrico rennella researcher |
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Mr, Pablo, Paola, Pedro, Delia, David, Giusy, Laura, Luigi, James, Jorge, Juana, Nancy, Norma, Fabio, Oscar, Monica, Sharon, Silvia, Simone, Andrea, Angela, Katja, Katia, Karla, Cosmo, Ana, Eva, Mark, Mina, Anna, Ciro, Pina, Raul, Rosa, Luca, Angelo, Juan, Nick, Ines, Maria, Mario, Marta, Marco, Maxó, Soamy, Carla, Cosme, Nati, and Aurora