The abbreviation AJ stands for:

  • " AJ " cutlery Danish designer and architect Arne Jacobsen
  • Armani Jeans
  • Atari Jaguar game console
  • Aero Contractors Company of Nigeria ( IATA code )
  • North American AJ Savage, a bomber of the U.S. Navy
  • Astronomical Journal, an astronomical journal
  • Azerbaijan ( obsolete NATO country code)
  • The stage name of Alexander James McLean, a member of the Backstreet Boys
  • Apostleship Judah, a Christian religious community in Germany
  • Apostles of Jesus, a Roman Catholic African Mission Fellowship

AJ as distinguishing signs on license plate:

  • UK: Peterborough
  • Norway: Mysen in the province Østfold
  • Sweden: diplomatic plates for Argentina

AJ stands for:

  • AttoJoule, an SI unit

Aj is a notation of

  • Ai (Historical city state )
  • Disambiguation
  • Abbreviation