Caio may refer to:
*
Caio (name), a Portuguese given name derived from the Latin given name Gaius
*
Caio, Carmarthenshire, a village in west Wales
*
''Caio'' (moth), a genus
*
Italian destroyer ''Caio Duilio'', a destroyer of the Italian Navy
See also
*
Caius (disambiguation)
Caius is a masculine given name and a surname. It is also an alternate spelling of the Latin prenom Gaius (and verso). G and C are not exclusive in Latin and the correct pronunciation is debatable. It is most commonly pronounced by native English ...
*
Gaius
Gaius, sometimes spelled ''Gajus'', Kaius, Cajus, Caius, was a common Latin praenomen; see Gaius (praenomen).
People
* Gaius (jurist) (), Roman jurist
*Gaius Acilius
*Gaius Antonius
*Gaius Antonius Hybrida
*Gaius Asinius Gallus
*Gaius Asinius P ...
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