Cognomen Bicudo (Bicudo 
) , across the world, is quite a common surname. The cognomen Bicudo is habitual in Uruguay, where it is quite a rare surname, Brazil, and Portugal.
| VARIANT | COUNTRY |
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| Bicudo | Uruguay, Brazil, Portugal, United States, Argentina |
| josé dos campos bicudo (b. 1657) |
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hélio bicudo Brazilian lawyer and politician, BR (b. 1922) |
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| virgínia leone bicudo Brazilian sociologist, BR (b. 1910) |
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| carlos eduardo de mattos bicudo Brazilian phycologist, BR (b. 1937) |
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| fernando bicudo Brazilian actor, BR (b. 1946) |
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| denise de campos bicudo botanist (b. 1955) |
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| j. eduardo p. w. bicudo (b. 1955) |
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| nilton bicudo Brazilian actor, BR (b. 1966) |
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| rogério bicudo BR (b. 1957) |
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| josé r bicudo researcher (ORCID 0000-0002-2284-332X) |
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| luana bicudo researcher |
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| álvaro j a bicudo researcher |
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| manuel de campos bicudo Brazilian pioneer, died 1681 or 1722, BR |
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| rosa maria teixeira bicudo phycologist |
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| marcelo marino bicudo university teacher, researcher |
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