The 2020–21 season is Birmingham City Football Club's 118th season in the English football league system and 10th consecutive season in the second-tier Championship. As with all English Football League clubs, the first team competed in the EFL Cup, in which they lost to Cambridge United in the first round, and in the FA Cup, in which they lost to Manchester City in the third round. The season covers the period from July 2020 to 30 June 2021.