Family name Pedreira (Pedreira 
) , worldwide, is a common cognomen. The cognomen Pedreira is characteristic of Uruguay, where it is quite a common surname, Portugal, where it is quite a rare surname, and Brazil. Not in comparison with a country's population, this name is the most popular in Brazil, Argentina, and Spain. Very seldom, Pedreira is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Pedreira | Portugal, Argentina, Spain, Brazil, Uruguay |
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antonio s. pedreira Puerto Rican activist and writer, US (b. 1899) |
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| ladislao louro pedreira ES (b. 1841) |
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| leopoldo pedreira taibo Spanish writer, professor and journalist, ES (b. 1896) |
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| cristina pedreira Spanish archivist, ES (b. 1897) |
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| jose enrique pedreira Puerto Rican musician (1904-1959), US (b. 1904) |
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| josé pedreira burés ES (b. 1910) |
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ugía pedreira Spanish writer and composer, ES (b. 1970) |
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| josé luiz bulhões pedreira Brazilian lawyer, BR (b. 1925) |
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| fernando pedreira Brazilian journalist and editor, BR (b. 1926) |
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| eusebio gonzález pedreira ES (b. 1916) |
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| demófilo pedreira rumbo ES (b. 1920) |
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| cristina nóvoa pedreira ES (b. 1922) |
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| vicente álvarez pedreira Spanish politician, ES (b. 1933) |
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emma pedreira ES (b. 1978) |
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susana pedreira ES (b. 1983) |
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