This article chronicles the seasons ofDerby County Football Club from their formation in 1884 to the present day.

Details of Derby County's final league position is given (from the1888–99 season, whenThe Football League was founded), along with which round they made it to in both theFA Cup, theEFL Cup (which began in the1960–61 season) and any European competitions that Derby had qualified for.
Key to league record:
| Key to divisions:
| Key to rounds:
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| Champions | Runners-up | Promoted | Relegated |