The A-League Men Grand Final is an association football match to determine the champions for an A-League Men season. Played at the end of the finals series, the game has been held annually since 2006.

The 2020 A-League Grand Final was the fifteenth A-League Grand Final, the championship-deciding match of the Australian A-League and the culmination of the 2019–20 season. The match was originally scheduled to be played in May 2020 but was postponed due to the COVID-19 pandemic, and was played on 30 August 2020 between Sydney FC and Melbourne City at Bankwest Stadium in the western Sydney suburb of Parramatta, New South Wales.