The 2020–21 season was the Chittagong Abahani's 41st season since its establishment in 1980 and their 11th season in the Bangladesh Premier League. This also remarked their 7th consecutive season in the top flight after getting promoted in 2014. In addition to domestic league, Ctg Abahani participated on this season's edition of Federation Cup. The season covered the period from December 2020 to September 2021, with the late ending to the season due to the COVID-19 pandemic in Bangladesh.