1979–80 Harty Cup

The 1979–80 Harty Cup was the 60th staging of the Harty Cup since its establishment by the Munster Council of Gaelic Athletic Association in 1918. The competition ran from 7 November 1979 to 30 March 1980.

St Flannan's College were the defending champions, however, they were beaten by St Colman's College in the semi-finals.

The Harty Cup final was played on 30 March 1980 at Fr Con Buckley Park in Buttevant, between North Monastery and St Colman's College, in what was their first ever meeting in the final. North Monastery won the match, a replay, by 2–10 to 2–05 to claim their 15th Harty Cup title overall and a first title in 10 years.

North Monastery's Tony O'Sullivan was the top scorer with 1-28.