The 2017–18 All-Ireland Junior Club Hurling Championship is the 15th staging of the All-Ireland Junior Club Hurling Championship, the Gaelic Athletic Association's junior inter-county club hurling tournament.

The championship began on 1 October 2017 and ended on 4 February 2018.

The All-Ireland final was played on 4 February 2018 at Croke Park in Dublin, between Ardmore from Waterford and Fethard St. Mogue's from Wexford, in what was their first ever meeting in the final.

[1] Ardmore won the match by 3-11 to 0-18 to claim their first ever championship title.

Fethard's Mark Wallace was the championship's top scorer with 0-59.