Akademisk Boldklub Gladsaxe (or AB) is a Danish professional football club from Gladsaxe north of Copenhagen, currently playing at the 3rd highest level of Danish domestic football in the Danish 2nd Division group 1.
The club was established on February 26, 1889, through a merger of Fredericia Studenternes Kricketklub and Polyteknisk Boldklub. AB is nine time Danish Champions, eight time Copenhagen Champions, one time Danish Cup Champions and six times Copenhagen Cup Champions, and the club is thus one of the most historically successful in Danish football.
The club has training and club facilities in Bagsværd north of Copenhagen and plays its home matches at Gladsaxe Stadium, also called Stade de Lundberg, named after one of the club's pioneers, Knud Lundberg.
Since the foundation, AB has played in a green and white kit and had an owl as mascot. The club's official fan club is named AB Forever and was founded in 1995.