1999–2000 All-Ireland Senior Club Football Championship
The 1999-2000 All-Ireland Senior Club Football Championship was the 30th staging of the All-Ireland Senior Club Football Championship since its establishment by the Gaelic Athletic Association in 1970-71. The championship began on 3 October 1999 and ended on 17 March 2000.
Crossmaglen Rangers entered the championship as the defending champions.
On 17 March 2000, Crossmaglen Rangers won the championship following a 1–14 to 0–12 defeat of Na Fianna in the All-Ireland final at Croke Park. It was their third championship title overall and their second title in succession.
Crossmaglen's Oisín McConville was the championship's top scorer with 3-29.
Results
Connacht Senior Club Football Championship
Quarter-finalSemi-finals
Finals
Leinster Senior Club Football Championship
First roundQuarter-finals
Semi-finals
Final
Munster Senior Club Football Championship
Quarter-finalsSemi-finals
Final
Ulster Senior Club Football Championship
Preliminary roundQuarter-finals
Semi-finals
Final
All-Ireland Senior Club Football Championship
Quarter-finalSemi-finals
Final
Championship statistics
Top scorers
;Overall| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | Oisín McConville | Crossmaglen Rangers | 3-29 | 38 | 5 | 7.60 |
| 2 | Mattie Forde | Kilanerin | 4-15 | 27 | 3 | 9.00 |
| 2 | Gavin Diamond | Bellaghy | 2-21 | 27 | 5 | 5.40 |
| 3 | Ciarán McDonald | Crossmolina Deel Rovers | 3-11 | 20 | 3 | 6.66 |
| 4 | Michael Moyles | Crossmolina Deel Rovers | 4-06 | 18 | 5 | 3.60 |
| 4 | Mick Galvin | Na Fianna | 0-18 | 18 | 4 | 4.50 |
| 5 | Niall Buckley | Sarsfields | 0-17 | 17 | 4 | 4.25 |
| 6 | Ronan McCabe | Enniskillen Gaels | 2-10 | 16 | 4 | 4.00 |
| 7 | Pádraic McDonald | Castleblayney Faughs | 3-06 | 15 | 3 | 5.00 |
| 7 | Mícheál Ó Cróinín | UCC | 2-09 | 15 | 4 | 3.75 |
;In a single game
| Rank | Player | Club | Tally | Total | Opposition |
| 1 | Ciarán McDonald | Crossmolina Deel Rovers | 3-08 | 17 | Hugh O'Neills |
| 2 | Mattie Forde | Kilanerin | 4-04 | 16 | Stabannon Parnells |
| 3 | Oisín McConville | Crossmaglen Rangers | 1-08 | 11 | UCC |
| 4 | Michael Moyles | Crossmolina Deel Rovers | 3-01 | 10 | Hugh O'Neills |
| 4 | Mattie Forde | Kilanerin | 0-10 | 10 | Edenderry |
| 5 | Oisín McConville | Crossmaglen Rangers | 2-03 | 9 | Na Fianna |
| 6 | Mícheál Ó Cróinín | UCC | 2-02 | 8 | Crossmaglen Rangers |
| 6 | John Hegarty | Kilanerin | 1-05 | 8 | Stabannon Parnells |
| 6 | Gavin Diamond | Bellaghy | 1-05 | 8 | Castleblayney Faughs |
| 6 | Dermot McCabe | Gowna | 1-05 | 8 | Crossmaglen Rangers |
| 6 | Sheeny McQuillan | Erin's Own | 0-08 | 8 | Carrickmore St. Colmcille's |
Miscellaneous
- Na Fianna won the Leinster Club Championship for the first time in their history.
- Crossmolina Deel Rovers won the Connacht Club Championship for the first time in their history.