Family name Insfrán (Insfrán 
) , across the world, is quite a rare cognomen. The family name Insfrán is habitual in Latin America and the Caribbean, particularly Paraguay, where it is quite a common surname, and Argentina, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Insfrán | Paraguay, Argentina, Brazil |
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gildo insfrán Argentine politician, AR (b. 1951) |
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| eliseo insfrán Paraguayan footballer, PY (b. 1935) |
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| eligio insfrán Paraguayan footballer, PY (b. 1935) |
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| antonio insfrán Paraguayan footballer (b. 1942) |
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| josé domingo insfrán Paraguayan association football player, PY (b. 1949) |
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| jorge insfrán association football player, PY (b. 1950) |
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| emilio insfrán |
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| nelson insfrán Argentine footballer, AR (b. 1995) |
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| fernanda insfrán Paraguayan handball player (b. 1998) |
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Ana, Ester, Edwin, Edgar, Erika, Fabio, Inés, Iván, Oscar, Zulma, Marcos, María, Manuel, Malena, Silvia, Alelí, Andrea, Angela, Ariana, Carlos, Camila, César, Tania, Benito, Julio, José, Liz, Sara, Ceci, Rosa, Ruth, Gaby, Leti, Lino, Luis, Juan, Elva, Enzo, Hugo, Olga, Maria, Marly, Ariel, Cindy, Paola, Pedro, Diego, Jorge, and Belén