Cognomen Trigueiro (Trigueiro 
) , globally, is quite a common surname. The surname Trigueiro is characteristic of Portugal, where it is quite a rare surname, Brazil, and Argentina, where it is a rare surname. In absolute terms, it is commonest in Brazil, Portugal, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Trigueiro | Argentina, Brazil, France, United States, Portugal |
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andré trigueiro Brazilian journalist, BR (b. 1966) |
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| tim trigueiro American tennis player, US (b. 1967) |
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| marcos antunes trigueiro driver and serial killer, BR (b. 1978) |
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| rosiane lopes trigueiro researcher |
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| tatiane herreira trigueiro researcher |
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| stephen nicholas trigueiro master's degree, University of Washington, 2017 |
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| maria j trigueiro researcher |
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| pollyana trigueiro researcher |
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| silvana aranha trigueiro researcher (ORCID 0000-0002-6214-1963) |
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| acácio trigueiro |
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| wanderson camargos trigueiro (b. 1981) |
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