Last name Montegriffo (Montegriffo 
) , throughout the world, is a rare family name. The cognomen Montegriffo is habitual in Argentina, where it is a rare surname, Italy, where it is a very rare surname, and New Zealand. In absolute terms, it is the most numerous in Argentina, Italy, and the United Kingdom.
| VARIANT | COUNTRY |
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| Montegriffo | Australia, Argentina, United Kingdom, United States, Italy |
| maurice montegriffo badminton player, GB (b. 1940) |
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| p. montegriffo researcher |
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| aurelius montegriffo Gibraltar politician, GB |
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| peter montegriffo Gibraltar politician, GB |
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| mari montegriffo Gibraltarian politician, GB |
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Ana, Thomas, Nelida, Nestor, Elaine, Hector, Yasmin, Marcelo, Annette, Adriana, Pamela, Claudio, Brandon, Rodrigo, Roberto, Liriana, Patricia, Galantucci, Lorraine, Josefina, Ezequiel, Beatriz, Alejandro, Alexis, Sandra, Mary, Alan, Paul, Luis, Elsa, Maria, Mario, Marta, Mirta, Silvia, Aaron, Belen, Pablo, Peter, Diego, Donna, Louis, Jenny, Marina, Millie, Bella, and Adriana Noemi