ONB
The abbreviation stands for ONB:
- Ortenauer fools Confederation, Association of carnival guilds in Ortenau, Baden- Württemberg
- Orthonormal basis, a concept in mathematics
- Austrian National Library ( ANL ) as an alternative shortcut, if the umlaut letter " E " is not available (in contrast to, Oesterreichische Nationalbank )
See also:
- ANL (disambiguation)
- Disambiguation
- Abbreviation