AJ

AJ, Aj, aJ, or aj may refer to:

Fictional characters

• A. J. (The Fairly OddParents), character in the cartoon The Fairly OddParents
• A. J. Chegwidden, a character on JAG and NCIS
• A.J. Frost, a character from the 1998 film Armageddon
• A.J. Jervis, the main character in the My Weird School book series by Dan Gutman
• A. J. Raffles, protagonist in many of the works of Ernest William Hornung
• Anthony Soprano, Jr. ("A.J."), a character on The Sopranos
• Applejack (My Little Pony), a character in the My Little Pony franchise whose nickname is AJ

Groups, businesses, and publications

• Aj (newspaper), an Indian newspaper
• Al-Jihad, an Egyptian Islamist group
• The Astronomical Journal
• Al Jazeera
  • AJ+, an American international news online channel
• Architects' Journal
• Australian Scout Jamboree

People

For real people named AJ, see AJ (given name)

Places

• Apache Junction, Arizona
• Azerbaijan, World Meteorological Organization country code and obsolete NATO country code

Science

• Adherens junction, cell-cell junctions between neighboring cells
• aJ, attojoule, a unit of energy equal to 10⁻¹⁸ joules in the International System of Units

Other uses

• AJ Savage, a United States Navy aircraft built by North American Aviation
• Adjustable spanner
• Apple Juice

See also

• A&J (disambiguation)
• Ajay (disambiguation)