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 UK Navy Angry Birds 2, mobile game