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.

Connacht Senior Club Football Championship
Quarter-final

Semi-finals

Finals

Leinster Senior Club Football Championship
First round

Quarter-finals

Semi-finals

Final

Munster Senior Club Football Championship
Quarter-finals

Semi-finals

Final

Ulster Senior Club Football Championship
Preliminary round

Quarter-finals

Semi-finals

Final

All-Ireland Senior Club Football Championship
Quarter-final

Semi-finals

Final

Top scorers

 * Overall


 * In a single game

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.