The 1985–86 Harty Cup was the 66th staging of the Harty Cup since its establishment in hurling by the Munster Council of Gaelic Athletic Association in 1918.

[1] The competition ran from 5 February to 23 March 1986.

North Monastery successfully defended its title.

[2][3][4] North Monastery won the Harty Cup final, 1–12 to 0–09, on 23 March 1986 at Páirc Uí Chaoimh in Cork, against Midleton CBS, in what was their first ever meeting in the final.

[5] North Monastery's Tony O'Keeffe was the top scorer with 1-23.