AAN may refer to:
- AAN, the Al Ain International Airport IATA airport code
- AAN, Aaron's, Inc. stick ticker symbol, a chain of rent-to-own stores
- America's Auction Network, an American shopping channel
- American Academy of Neurology, a medical specialty society
- American Academy of Nursing, a professional society
- Ask a Ninja, a series of comedy videos
- Association of Alternative Newsweeklies, a North American trade association
Aan may refer to:
- Aan River, a river in New Zealand
- Alexander Aan, imprisoned atheist in Indonesia