Last name Mariátegui (Mariátegui 
) , around the world, is a very rare cognomen. The cognomen Mariátegui is characteristic of Peru, where it is a very rare surname, and Spain.
| VARIANT | COUNTRY |
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| Mariátegui | Peru, Spain |
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manuel de mariátegui, 1st count of san bernardo Spanish diplomat and politician, ES (b. 1842) |
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josé carlos mariátegui la chira Peruvian writer and academic (1894–1930), PE (b. 1894) |
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| eduardo de mariátegui ES (b. 1835) |
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javier mariátegui Peruvian psychiatrist, PE (b. 1928) |
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gonzalo mariátegui Peruvian painter and writer, PE (b. 1943) |
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| fernando alfonso fernández de córdoba-figueroa y mariátegui (1906-1938) (b. 1906) |
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| sandro mariátegui Peruvian politician, PE (b. 1921) |
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| josé carlos mariátegui arellano Peruvian diplomat, PE (b. 1929) |
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| aldo mariátegui Peruvian journalist, PE (b. 1964) |
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| josé-carlos mariátegui Peruvian scientist, PE (b. 1975) |
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