UNO can mean:
- The United Nations Organization; see: United Nations
- The University of New Orleans
- A card game played with a specially printed deck of cards; see: UNO (game)
- Universal Network Objects, the component model for the OpenOffice.org office applications suite.
This is a disambiguation page; that is, one that just points to other pages that might otherwise have the same name. If you followed a link here, you might want to go back and fix that link to point to the appropriate specific page.