Cognomen Cerdeiras (Cerdeiras 
) , around the world, is a rare family name. The last name Cerdeiras is habitual in Portugal, where it is a rare surname, Uruguay, and Spain, where it is a very rare surname. In absolute terms, it is the most numerous in Portugal, Spain, and Argentina. Much less frequently, Cerdeiras is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cerdeiras | Portugal, Spain, Uruguay, Argentina, Brazil |
| ramón cerdeiras Spanish journalist, ES (b. 1859) |
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| maría pía cerdeiras Uruguayan writer, UY (b. 1959) |
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| juan cerdeiras |
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