Cadu may refer to:
;Place
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Cadu River
;People
Cadu may refer to people with the given name Ricardo, or a shortened form of ''Carlos Eduardo'':
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Cadu (footballer, born 1974) (Ricardo Frederico Rodrigues Antunes), Brazilian footballer
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Cadú (footballer, born 1981)
Ricardo Manuel Ferreira Sousa (born 21 December 1981), known as Cadú, is a Portuguese former professional footballer who played as a central defender currently assistant manager of Primeira Liga club Paços de Ferreira.
He amassed Primeira L ...
(Ricardo Manuel Ferreira Sousa), Portuguese footballer
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Cadu (footballer, born 1982) (Carlos Eduardo Castro da Silva), Brazilian footballer
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Cadú (footballer, born 1986) (Carlos Eduardo de Fiori Mendes), Brazilian footballer
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Cadu (footballer, born 1997) (Carlos Eduardo Lopes Cruz), Brazilian footballer
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Cadu (footballer, born 2002) (Carlos Eduardo Berttolassi da Silva), Brazilian footballer
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Cadu (footballer, born 2004) (Carlos Eduardo Amaral Pereira de Castro), Brazilian footballer
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