Cognomen Guariglia (Guariglia 
) , all around the world, is quite a rare surname. The family name Guariglia is characteristic of Uruguay, where it is quite a rare surname, Italy, and Argentina, where it is a rare surname. In absolute terms, it most frequently occurs in Italy, the United States, and Brazil.
| VARIANT | COUNTRY |
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| Guariglia | Brazil, Italy, Argentina, United States, Uruguay |
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raffaele guariglia diplomat, IT (b. 1889) |
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osvaldo guariglia Argentine philosopher, AR (b. 1938) |
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| mauricio guariglia AR (b. 1879) |
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| melba guariglia UY (b. 1943) |
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| cecilia guariglia Italian neuropsychologist, IT (b. 1959) |
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| riccardo luca guariglia Italian abbot, IT (b. 1967) |
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| riccardo guariglia IT (b. 1961) |
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| paola guariglia researcher |
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| alessandra guariglia Economist (University of Birmingham -> Department of Economics) |
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| emanuel guariglia researcher |
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| antonio guariglia architect |
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| débora a guariglia researcher |
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| ron guariglia college basketball player (1953–1953) Bradley |
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| don guariglia college basketball player (1953–1953) Bradley |
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| antonio guariglia Italian agronomist, IT |
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