2009–10 All-Ireland Senior Club Football Championship
The 2009–10 All-Ireland Senior Club Football Championship was the 40th staging of the All-Ireland Senior Club Football Championship since its establishment by the Gaelic Athletic Association in 1970-71. The competition began on 18 October 2009 and ended on 17 March 2010.
The defending champion was Kilmacud Crokes; however, the club did not qualify after being beaten by Ballyboden St Enda's in a semi-final replay of the 2009 Dublin County Championship.
On 17 March 2010, St Gall's won the competition following a 0-13 to 1-5 defeat of Kilmurry-Ibrickane in the All-Ireland final at Croke Park. It remains their only championship title.
C. J. McGourty of the St Gall's club was the competition's top scorer with 2-28.
Semi-finals
Statistics
Top scorers
;Overall| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | C. J. McGourty | St Gall's | 2-28 | 34 | 6 | 5.66 |
| 2 | Kieran Comer | Corofin | 3-16 | 25 | 3 | 8.33 |
| 3 | Paul Cahillane | Portlaoise | 4-11 | 23 | 5 | 4.60 |
| 4 | Barry Fitzgerald | Portlaoise | 2-15 | 21 | 5 | 4.20 |
| 5 | Thomas Deehan | Clara | 0-16 | 16 | 3 | 5.33 |
| 6 | Ger Heneghan | Castlerea St Kevin's | 0-15 | 15 | 2 | 7.50 |
| 7 | Conor McManus | Clontibret O'Neills | 0-14 | 14 | 2 | 7.00 |
| 8 | Rory Gallagher | St Gall's | 2-07 | 13 | 6 | 2.16 |
| 9 | Dessie Dolan | Garrycastle | 1-09 | 12 | 3 | 4.00 |
| 9 | Declan Quill | Kerins O'Rahilly's | 1-09 | 12 | 3 | 4.00 |
;In a single game
| Rank | Player | Club | Tally | Total | Opposition |
| 1 | C. J. McGourty | St Gall's | 1-09 | 12 | Corofin |
| 2 | Kieran Comer | Corofin | 1-07 | 10 | Charlestown Sarsfields |
| 2 | Thomas Deehan | Clara | 0-10 | 10 | Rathvilly |
| 3 | Rory Gallagher | St Gall's | 2-03 | 9 | Clontibret O'Neills |
| 3 | Kieran Comer | Corofin | 1-06 | 9 | St Gall's |
| 3 | Ger Heneghan | Castlerea St Kevin's | 0-09 | 9 | Tourlestrane |
| 3 | Conor McManus | Clontibret O'Neills | 0-09 | 9 | St Gall's |
| 4 | Dessie Dolan | Garrycastle | 1-05 | 8 | Clonguish |
| 4 | Donal Kane | Kilcoo | 1-05 | 8 | St Patrick's |
| 5 | Paul Cahillane | Portlaoise | 2-01 | 7 | Seneschalstown |
| 5 | Barry Fitzgerald | Portlaoise | 1-04 | 7 | Mattock Rangers |
| 5 | Paul Barden | Clonguish | 1-04 | 7 | Horeswood |
| 5 | C. J. McGourty | St Gall's | 1-04 | 7 | Cavan Gaels |
Miscellaneous
- Portlaoise became the first team to win seven Leinster Club Championship titles.