The 2019–20 Dr Harty Cup was the 100th staging of the Harty Cup since its establishment in hurling by the Munster Council of Gaelic Athletic Association in 1918. The draw for the group stage placings took place on 30 July 2019. The competition ran from 15 October 2019 to 1 March 2020.
Midlton CBS unsuccessfully defended its title in the semi-finals, losing to Christian Brothers College, Cork.
St Flannan's College won the Harty Cup final on 1 March 2020 at Mallow GAA Complex, against Christian Brothers College, Cork, 1–15 to 1–12, their first ever meeting in a final, St Flannan's 22nd Harty Cup title and their first in 15 years.
Group A Group A table
TeamMatchesScorePtsPldWDLForAgainstDiffThurles CBS33007442326St Colman's College3201534674Nenagh CBS3102484262John the Baptist CS30032974-450
Group A results
Group B Group B table
TeamMatchesScorePtsPldWDLForAgainstDiffSt Flannan's College33005746116De La Salle College32015942174Gaelcholáiste Mhuire AG31024359-162Blackwater CS30034254-120
Group B results
Group C Group C table
TeamMatchesScorePtsPldWDLForAgainstDiffChristian Brothers College32105940195Our Lady's SS32017060104Ardscoil Rís31116454103St Francis College30033978-390
Group C results
Group D Group D table
TeamMatchesScorePtsPldWDLForAgainstDiffMidleton CBS22003524114St Joseph's SS20112429-51Hamilton High School20112834-61
Group D results
Knockout stage Quarter-finals
Semi-finals
Final
References