Brøndby IF

Brøndbyernes Idrætsforening (Danish pronunciation: [ˈpʁɶnˌpyˀɐnəs ˈitʁætsfɒˌe̝ˀne̝ŋ]), usually abbreviated to Brøndby IF (Danish pronunciation: [ˈpʁɶnˌpyˀ ˌiˀˈef]), is a Danish professional football club based in Brøndbyvester. Brøndby is the professional football section of Brøndbyernes Idrætsforening, which was founded on 3 December 1964 by a merger of the football clubs Brøndbyøster Idrætsforening (founded on 10 October 1928) and Brøndbyvester Idrætsforening (founded on 1 February 1909). The club's first team, which plays in the Danish Superliga, plays its home games at Brøndby Stadium in the clubs colours of blue and yellow.

The club has excelled both nationally and internationally by reaching the quarter-finals of the European Champions Cup in 1986-87 and the semi-finals of the UEFA Cup 1990–91. In addition, the club qualified for the UEFA Champions League in 1998, where Brøndby beat Bayern Munich in the group stage, and for the UEFA Cup / Europa League several times.

Through the 1980s, Brøndby's role in Danish football became more prominent after winning the Danish Superliga in 1985, 1987, 1988, 1990, and 1991. Between 1996 and 1998, Brøndby won three Danish championships in a row. In 1998, the club also won the Danish Cup and thus brought home "the double". Brøndby won the Danish Superliga in 2002 and the Danish Cup in 2005. The team recently won the Danish Cup in 2018 and the Danish Superliga in 2021.

Brøndby have a longstanding rivalry with city neighbours Copenhagen, against which they contest the Copenhagen Derby. The fixture is also referred to as the "Battle of Copenhagen" or the "New Firm".