The 1890–91 FAW Welsh Cup was the 14th edition of the annual knockout tournament for competitive football teams in Wales. The competition was won by Shrewsbury Town.

First round Home teamResultAway teamRemarksMold3–2HolywellCarnarvon Athletic3–4RhylBangor7–4Colwyn BayColwyn Bay1–3BangorReplaySt Asaph3–2Bangor AthleticBuckleyw/oNorthwich VictoriaBuckley withdrewBrymbo Institute2–2GresfordGresford2–1Brymbo InstituteReplayWestminster Roversw/oNantwichNantwich withdrewCrewe Alexandraw/oWrexhamCrewe Alexandra withdrewChirk2–1Ruabon DruidsWrexham Hibernians2–2OvertonOverton2–3Wrexham HiberniansReplayCorwen0–2RhosllanerchrugogOswestry4–3RhayaderShrewsbury TownByeWellington St GeorgeBuilth

Second round Home teamResultAway teamRemarksSt Asaphw/oRhylSt Asaph withdrewBangor4–1MoldBangor disqualifiedNorthwich Victoriaw/oWrexhamNorthwich Victoria withdrewGresford3–4Westminster RoversRhosllanerchrugog2–1ChirkWrexham Hibernians3–5Rhostyllen VictoriaOswestry1–0Wellington St GeorgeShrewsbury Town4–1Builth

Third round Home teamResultAway teamRemarksRhyl2–2MoldMold won 3–2 after extra timeWestminster Rovers0–1WrexhamRhostyllen Victoria1–2ChirkShrewsbury Town6–0Oswestry

Semi-final ResultVenueCrowdWrexham4–3ChirkShrewsburyShrewsbury Town5–0MoldThe Racecourse Ground, Wrexham

Final WinnerResultRunner-upVenueCrowdShrewsbury Town5–2WrexhamCricket Field, Oswestry3,000

References