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
Topics referred to by the same term This disambiguation page lists articles associated with the title Caio.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: