Worldwide, Cadu (Cadu 
, Cadú ) is a rare dominantly masculine, but seldom feminine first name. The first name Cadu is habitual in Brazil, where it is a very rare male name, and India, where it is a very rare unisex name. Also, Cadu is the last name as well as the forename.
| cadu fávero Brazilian actor, BR (b. 1970) |
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| cadu menezes BR (b. 1963) |
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| cadu klier researcher |
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| cadu mendonça BR (b. 1971) |
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| cadu cortez BR (b. 1980) |
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| cadu tenório BR |
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| cadu libonati Brazilian actor, BR (b. 1994) |
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| cadu paschoal Brazilian actor, BR (b. 1996) |
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