XNA stands for:
- The IATA airport code for the Northwest Arkansas Regional Airport in concrete Ville in Arkansas.
- X - No-Archive, a header row of a Usenet Article
- XNA (Microsoft), a technology for game development for Microsoft Windows, Microsoft Xbox 360, Microsoft Zune and Microsoft Windows Phone 7
- The Xenonukleinsäure, synthetic DNA containing the naturally occurring nucleobases, but in the backbone strands instead ( deoxy ) ribose sugar is another.