Across the world, Marialuisa (Marialuisa 
, Maríaluisa 
) is quite a common feminine first name. The first name Marialuisa is habitual in Italy, where it is quite a common feminine name, the Dominican Republic, where it is quite a rare feminine name, and Puerto Rico. Not in comparison with a country's population, it is commonest in Italy, Mexico, and the Dominican Republic. Very seldom, Marialuisa is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Marialuisa | Italy, Mexico, Ethiopia, United States, Dominican Republic |
| Maríaluisa | Spain |
Maria Luisa, Marialuísa, Marìaluisa, Marïaluisa, Мариалуиса, and マリアルイサ
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marialuisa de romans Italian painter and graphic artist, IT (b. 1935) |
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| marialuisa semeraro herrmann Italian philologist and art historian (1934-), IT (b. 1934) |
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| marialuisa bignami Italian anglist and literary critic (1939-), IT (b. 1939) |
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| marialuisa j. de resmini Italian mathematician, IT (b. 1939) |
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| marialuisa baldi Italian philosophy historian (1952-), IT (b. 1952) |
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| marialuisa sensi Italian biologist (1952-), IT (b. 1952) |
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| marialuisa bottazzi Italian medievalist (1960-), IT (b. 1960) |
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| marialuisa bossi IT (b. 1956) |
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| marialuisa caparrini Italian germanist (1973-), IT (b. 1973) |
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| marialuisa sponziello researcher |
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| marialuisa appetecchia researcher |
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| marialuisa malafronte researcher |
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| marialuisa jacobelli Italian television presenter, IT |
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| marialuisa antonini researcher |
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| marialuisa maniglia researcher |
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Ruiz, Moretti, Mendoza, Sanchez, Alvarez, Colombo, Coppola, Bianchi, Ramirez, Gentile, Herrera, Ferrari, Martinez, Castillo, Catalano, Gonzalez, Giordano, Lombardo, Esposito, Rodriguez, Hernandez, Fernandez, Morales, Flores, Torres, Garito, Diaz, Monda, Sacco, Silva, Arena, Conti, Costa, Knuth, Perez, Rossi, Sorrentino, Russo, Gomez, Lopez, Ortiz, Marino, Maffei, Moreno, Romero, Romano, Rivera, Garcia, Gallo, and Pellegrino