Cognomen Montanar (Montanar 
) , all over the world, is a rare surname. The surname Montanar is characteristic of Argentina, where it is a rare surname, Italy, and Chile, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Italy, Argentina, and Brazil. Very seldom, Montanar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Montanar | Italy, Thailand, India, Argentina, Brazil |
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valentine hilaire montanar American missionary, FR (b. 1870) |
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| ilaria montanar (b. 1968) |
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| ilaria montanar SI |
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Ms, Josefa, Noelia, Evelyn, Yanett, Marcelo, Milagro, Sabrina, Silvana, Alberto, Antonia, Argilio, Claudia, Domingo, Jonatan, Eduardo, Edgardo, Vinicio, Isadora, Osvaldo, Paschoal, Griselda, Ramona, Carlos, Mariel, Ivana, Ray, Lee, Ugo, Mara, Lina, Luis, Jose, Juan, Maria, Marco, Giustina, Carlo, Pedro, Delia, Denis, Gilda, Lidia, Julio, Nadia, Neusa, Elvio, Erica, Pablo, and Fabrizio