Aan is a 1952 Indian film.

Aan may also refer to:

• Aan: Men at Work, a 2004 Indian film
• Aan River, a river in New Zealand
• Alexander Aan (born 1981), imprisoned atheist in Indonesia
• aan, ISO 639 code of the Anambé language of Brazil

AAN may also refer to:

• Aaron's, Inc. stock ticker symbol, a chain of rent-to-own stores
• Afghanistan Analysts Network, a research organization based in Afghanistan
• Al Ain International Airport, IATA airport code
• America's Auction Network, an American shopping channel
• American Academy of Neurology, a medical specialty society
• American Academy of Nursing, a professional society
• American Action Network, a right-wing issue advocacy group
• Ask a Ninja, a series of comedy videos
• Association of Alternative Newsweeklies, a North American trade association
• Australian Approved Name, drug generic names approved by the TGA to be used in Australia