The 1977 Cork Junior Hurling Championship was the 80th staging of the Cork Junior Hurling Championship since its establishment by the Cork County Board.
On 11 December 1977, ÃÂire ÃÂg won the championship following a 2âÂÂ08 to 1âÂÂ09 defeat of Erin's Own in the final at Páirc UàChaoimh in Cork. It was their second championship title overall and their first title in 15 years.