| Tournament details | |
|---|---|
| County | Dublin |
| Province | Leinster |
| Year | 2021 |
| Trophy | Clerys Cup |
| Date | 10 September 2021 - 21 November 2021 |
| Teams | 16 Senior 1 16 Senior 2 |
| Defending champions | Ballymun Kickhams |
| Winners | |
| Champions | Kilmacud Crokes |
| Qualify for | Leinster Club SFC |
| Runners-up | |
| Runners-up | St Jude's |
| Other | |
| Website | Dublin GAA.ie |
The 2021 Dublin Senior Football Championship was the 135th edition of Dublin GAA's premier gaelic football tournament for senior clubs in County Dublin, Ireland. 32 teams participate (16 in Senior 1 and 16 in Senior 2), with the winner of Senior 1 representing Dublin in the Leinster Senior Club Football Championship.
Kilmacud Crokes defeated St Jude's to win the Senior 1 Championship.[1]
St Pat's Donabate won the 2021 I.F.C. and were promoted along with I.F.C. finalists Round Towers Clondalkin to Senior 2.[2] They replaced St Peregrines and Fingal Ravens who were relegated to the 2022 I.F.C.[3]
Cuala won the Senior 2 Championship and were promoted along with finalists Templeogue Synge Street to Senior 1.[4] They replaced St Oliver Plunketts and St Vincents who were relegated to the 2022 SFC2.[5]
Senior 1
Group 1
Round 1
Round 2
Round 3
Group 2
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