2019–20 Brøndby IF season was Brøndby IF's 39th consecutive season in top-division of the Danish football league, the 30th consecutive in Danish Superliga, and the 54th as a football club. Besides the Superliga, the club competed in the 2019–20 Danish Cup and 2019–20 UEFA Europa League. It is the first season with head coach Niels Frederiksen, after replaced he caretaker manager Martin Retov.

Kamil Antoni Wilczek is a Polish professional footballer who plays as a striker for Ekstraklasa club Piast Gliwice and the Poland national team.