Cognomen Mattoso (Mattoso 
) , across the world, is quite a rare surname. The cognomen Mattoso is habitual in Brazil, where it is quite a rare surname, Portugal, where it is a rare surname, and Argentina, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Brazil, Argentina, and the United States.
| josé alves mattoso Portuguese bishop (1860-1952), PT (b. 1860) |
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glauco mattoso Brazilian writer and poet, BR (b. 1951) |
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| francisco mattoso Brazilian pianist, BR (b. 1913) |
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| kátia de queirós mattoso Brazilian historian (1931-2011), BR (b. 1931) |
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| josé mattoso Portuguese historian, PT (b. 1933) |
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| adriana de queirós mattoso person identified in the Museu da Pessoa collection, BR (b. 1956) |
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| marta mattoso researcher |
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| claudio roberto scabelo mattoso researcher |
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| luiz henrique capparelli mattoso researcher |
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