1980 Cork Junior Football Championship

The 1980 Cork Junior Football Championship was the 82nd staging of the Cork Junior Football Championship since its establishment by Cork County Board in 1895.

The final was played on 30 November 1980 at Páirc Uí Chaoimh in Cork, between Kilmurry and Clyda Rovers, in what was their first ever meeting in the final. Kilmurry won the match by 1–04 to 0–01 to claim their third championship title overall and a first title in 11 years.