1979–80 All-Ireland Senior Club Football Championship
The 1979–80 All-Ireland Senior Club Football Championship was the 10th staging of the All-Ireland Senior Club Football Championship since its establishment by the Gaelic Athletic Association in 1970-71.
Nemo Rangers entered the championship as the defending champions, however, they failed to qualify after being beaten by Castlehaven in the 1979 Cork SFC semi-final.
On 25 May 1980, St Finbarr's won the championship following a 3-9 to 0-8 defeat of St Grellan's in the All-Ireland final at Seán Treacy Park. It was their first ever championship title.
Matt Connor of Walsh Island was the competition's top scorer, finishing with 2-25.
Semi-finals
Statistics
Top scorers
| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | Matt Connor | Walsh Island | 2-25 | 31 | 5 | 6.20 |
| 2 | James O'Callaghan | St Finbarr's | 2-13 | 19 | 3 | 6.33 |
| 3 | Gerry Browne | Portlaoise | 1-14 | 17 | 4 | 4.25 |
Miscellaneous
- St Grellan's won the [|Connacht Club SFC] title for the first time.