The 2019–20 All-Ireland Junior Club Hurling Championship was the 17th staging of the All-Ireland Junior Club Hurling Championship, the Gaelic Athletic Association's junior inter-county club hurling tournament. The championship began on 12 October 2019 and ended on 18 January 2020. On 18 January 2020, Conahy Shamrocks won the championship after a 0-22 to 0-15 defeat of Russell Rovers in the All-Ireland final at Croke Park. This was their second title overall and their first title since 2008.