The 1983 Cork Junior Hurling Championship was the 86th staging of the Cork Junior Hurling Championship since its establishment by the Cork County Board. The championship began on 25 September 1983 and ended on 6 November 1983.
On 6 November 1983, St. Catherine's won the championship following a 1âÂÂ13 to 1âÂÂ08 defeat of Aghabullogue in the final at Páirc UàChaoimh. It was their first ever championship title.