1920–21 Blackpool F.C. season
| 1920–21 season | ||
|---|---|---|
| Manager | Bill Norman | |
| Division Two | 4th | |
| FA Cup | Second round | |
| Top goalscorer | League: Jimmy Heathcote (18) All: Jimmy Heathcote (18) | |
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The 1920–21 season was Blackpool F.C.'s twentieth season (seventeenth consecutive) in the Football League. They competed in the 22-team Division Two, then the second tier of English football, finishing fourth.
Blackpool defender Horace Fairhurst suffered a head injury during Blackpool's game against Barnsley at Oakwell on 27 December 1920. He died at home eleven days later as a result of the injury.
Jimmy Heathcote was the club's top scorer, with eighteen goals.