AJ

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

People

• AJ Alexander, American model and Playboy Playmate
• A. J. Balaban (1889–1962), co-founder of Balaban and Katz
• A. J. Allmendinger (born 1981), American race car driver
• A. J. Burnett (born 1977), American Major League Baseball pitcher for the Pittsburgh Pirates
• A. J. Calloway (born 1974), American television personality
• A. J. Cook (actress), a Canadian actress
• A. J. Croce (born 1971), American singer and songwriter
• A. J. Cronin (1896–1981), Scottish novelist
• A. J. Foyt (born 1935), American race car driver
• A.J. Gibson (architect) (1862–1927), American architect
• A. J. Haglund (born 1983), American football player
• A. J. Hawk (born 1984), American football linebacker for the Green Bay Packers
• Andrew Jackson (1767–1845), American general and politician, seventh President of the United States
• A. J. Jacobs (born 1968), American journalist and author
• Ananta Jalil, Bangladeshi actor
• Adrienne Janic (born 1974), American actress and television host
• AJ Junior, real name Achraf Janussi, songwriter
• Andrew Johnson (1808–1875), U.S. Senator from Tennessee, 17th president of the U.S.
• Lee Gi-kwang "AJ" (born 1990), South Korean entertainer
• A. J. McLean (born 1978), American singer and member of the band Backstreet Boys
• AJ Lee (born 1987), ring name for April Jeanette Mendez, an American professional wrestler
• AJ Michalka (born 1991), American actress and musician
• A. J. Pero (1959–2015), American drummer of the band Twisted Sister
• A. J. Pierzynski (born 1976), Major League Baseball catcher for the Chicago White Sox
• A. J. Price (born 1986), NBA basketball player
• A.J. Styles (born 1977), ring name for Allen Jones, an American professional wrestler
• A. J. Weberman (born 1945), garbologist, Dylanologist, Yippie and CIA historian

Characters

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

Places

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

Groups, businesses, and publications

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

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

Products, brands, tools

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

See also

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