The 2021–22 season is Derby County's 138th season in existence, their 14th consecutive season in the Championship, and their 54th season overall in the second division of English football. Alongside the Championship, they also competed in the FA Cup and the EFL Cup. Derby were relegated after finishing in 23rd place in the league following a points deduction. The season covers the period from July 2021 to 30 June 2022.