From Wikipedia, the free encyclopedia.
Io or IO may stand for:
- Io (mythology): In Greek mythology, Io (pronounced "EYE oh," though "EE oh" is also acceptable) was the daughter of Inachus, a river god.
- Io (moon): moon of Jupiter.
- Io: In Polynesian mythology (including the Maori), the creator god, see Kiho for more information.
- British Indian Ocean Territory: ISO country code
- Io programming language: a prototype-oriented programming language made by Steve Dekorte.
