2005–06 Harty Cup

The 2005–06 Harty Cup was the 86th staging of the Harty Cup since its establishment by the Munster Council of Gaelic Athletic Association in 1918. The competition ran from 27 September 2005 to 12 March 2006.

St Flannan's College were the defending champions.

The Harty Cup final was played on 12 March 2006 at Leahy Park in Cashel, between Midleton CBS and St Flannan's College, in what was their third meeting in the final overall and a first meeting in 19 years. Midleton CBS won the match by 2–08 to 0–12 to claim their third Harty Cup title overall and a first title in 11 years. 