- Source: 1980 Cork Junior Hurling Championship
- 1980 Cork Junior Hurling Championship
- Cork Junior A Hurling Championship
- Cork Intermediate A Hurling Championship
- St Finbarr's National Hurling & Football Club
- 1980 Cork Intermediate Hurling Championship
- Cork county hurling team
- 1979 Cork Junior Hurling Championship
- 1981 Cork Junior Hurling Championship
- Cork Junior A Football Championship
- Cork Premier Senior Hurling Championship
The 1980 Cork Junior Hurling Championship was the 83rd staging of the Cork Junior Hurling Championship since its establishment by the Cork County Board. The championship ran from 28 September to 16 November 1980.
On 16 November 1980, Newcestown won the championship following a 1–12 to 2–06 defeat of Kilworth in the final at Páirc Uí Chaoimh. This was their second championship title overall and their first title since 1972.
Newcestown's Tim Crowley was the championship's top scorer with 2-19.
Results
= Quarter-finals
== Semi-finals
== Final
=Championship statistics
= Top scorers
=Overall
In a single game