AB

AB may refer to:


 * AutoBuy, an auction term for the price that you need to pay to be sure to get the auction slot, or thing being auctioned.
 * A Bee, aka Battle Angel
 * Aeon Bosanova, a furry living in New Jersey, USA.
 * Maybe After the Bomb (AtB or AB), a role-playing game setting
 * Aggro badger, an artist born in New York, USA.