The 2017–18 All-Ireland Junior Club Football Championship was the 17th staging of the All-Ireland Junior Club Football Championship since its establishment by the Gaelic Athletic Association.

The All-Ireland final was played on 3 February 2018 at Croke Park in Dublin, between Knocknagree and Multyfarnham.

Knocknagree won the match by 3-13 to 3-09 to claim their first ever championship title.

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