AB2

AB2 may refer to:

Aircraft

 * Aichi AB-2, a prototype Japanese reconnaissance floatplane of the 1930s
 * Bernard AB 2, a planned French biplane aircraft of the 1910s
 * Curtiss Model AB-2, an American flying boat designation of the 1910s

Other uses

 * Alberta Highway 2, a road in Canada
 * AB2, an obsolete designation within the Scottish AB postcode area
 * AB2, an axiom about Abelian categories, in mathematics
 * AB2, a variant of the Class AB amplifier (see also )
 * AB2, a rating within the seaman rank of the United Kingdom Navy
 * Angry Birds 2, mobile game