Science Fair Project Encyclopedia
AO
AO may stand for:
- Aosta Valley (Vallée d'Aoste, Valle d'Aosta), abbreviation for the region and province of Italy
- Oiler, US Navy hull classification symbol (AO )
- Adults Only, contents rated not suitable for people under 18 by Entertainment Software Rating Board
- Anarchy Online, a science fiction Massive(ly) multiplayer online role-playing game
- the ISO 3166-1 alpha-2 country code for Angola
- the IATA code for Australian Airlines
- Arctic oscillation
- The postnominal letters of an Officer of the Order of Australia
See also: A0 (A-zero)
10-26-2009 08:16:03
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


