AJ

AJ, or variants, may refer to:

Fictional characters

 * A. J. (The Fairly OddParents), a fictional character
 * A.J. Simon, a character in the American crime drama television series Simon & Simon
 * A.J. Soprano, a fictional character in The Sopranos
 * Superspinner AJ, a fictional character in the Starflyers series of computer games
 * AJ, in AJ and the Queen, an American comedy-drama TV series
 * Apollo Justice, a fictional character from Apollo Justice: Ace Attorney

Literature

 * Architects' Journal, an architectural magazine
 * The Astronomical Journal, a peer-reviewed monthly scientific journal

Media

 * Aj (newspaper), a Hindi-language daily broadsheet newspaper in India

Businesses and organisations

 * Al Jazeera Arabic, a Qatar-based international Arabic news channel
 * AJ+, an online news and current events channel
 * AJ Capital Partners, an American private real estate company
 * AJ's Fine Foods, an American supermarket chain
 * AJ Institute of Engineering and Technology, in Mangalore, India

Other uses

 * AJ (given name), including a list of people with the name or nickname
 * aJ, attojoule, a unit of energy equal to 10−18 joules
 * Australian Scout Jamboree, a triennial festival
 * North American AJ Savage, an aircraft
 * Andrew Jackson, United States 7th president
 * Azerbaijan, WMO, FIPS, LOC MARC and obsolete NATO country code