2023–24 All-Ireland Junior B Club Hurling Championship

The 2023–24 All-Ireland Junior B Club Hurling Championship was the 18th staging of the All-Ireland Junior B Club Hurling Championship since its establishment by the Killeedy GAA Club in 2005. The championship ran from 25 November 2023 to 2 March 2024.

The All-Ireland final was played on 2 March 2024 at Páirc Íde Naofa between Monaleen from Limerick and Drom-Inch from Tipperary, in what was their first ever meeting in the All-Ireland final. Monaleen won the match by 2-11 to 0-09 to claim their first ever All-Ireland title.

Drom-Inch's Paul Kennedy was the championship's top scorer with 4-31.