The 1908–09 Welsh Amateur Cup was the nineteenth season of the Welsh Amateur Cup. The cup was won by Carnarvon United who defeated Oak Alyn Rovers 5–1 in the final at Colwyn Bay.

Preliminary round Home teamResultAway teamRemarksColwyn Bay4-2LlanrwstRuthin Town1-3Denbigh TownBuckley Rangers6-2GreenfieldBrymbo Institute5-1Coedpoeth St. David'sCoedpoeth United5-2Southsea UnitedRuabon2-3Cefn AlbionRhos Rangers8-1 Weston RhynDruids Reserves3-1Chirk ReservesJohnstown Amateurs2-1Acrefair UnitedBala Press2-0Towyn Rovers Llanidloes United10-2Welshpool Reserves Oswestry United Reserves2-0Royal Welsh WarehouseMontgomery1-3Newtown North End

First round Home teamResultAway teamRemarksBeaumaris0-3Carnarvon UnitedDenbigh Town3-0https://newspapers.library.wales/view/3836182/3836186/37/welsh%2BOR%2Bamateur%2BOR%2BcupRhyl ReservesColwyn Bay2-3https://newspapers.library.wales/view/3836182/3836186/36/welsh%2BOR%2Bamateur%2BOR%2BcupLlandudno AmateursBurntwood United1-3Buckley RangersAston Hall3-0Connah's Quay VictoriaCoedpoeth United0-1Brynteg White StarsSummerhill4-2Brymbo InstituteRhos Rangers3-1Johnstown AmateursDruids Reserves0-0Cefn AlbionBarmouth Rovers1-2https://newspapers.library.wales/view/3836182/3836186/39/welsh%2BOR%2Bamateur%2BOR%2BcupPwllheliBala Press5-2PorthmadogLlanfyllin0-0 Oswestry United ReservesNewtown North End1-5https://newspapers.library.wales/view/3050617/3050622/41/welsh%2BOR%2Bamateur%2BOR%2BcupLlanidloes UnitedLlandrindod Wells3-0Builth WellsConwyByeLlanfaes Brigade (Brecon)

Second round Home teamResultAway teamRemarksCarnarvon United2-0ConwyLlandudno Amateurs12-0DenbighTownSummerhill0-0Brynteg White StarsCefn Albion1-2Rhos RangersBuckley Rangers3-3Aston HallBala Pressw/oPwllheliPwllheli scratched.Llanidloes United3-0LlanfyllinLlandrindod Wells3-3Llanfaes Brigade (Brecon)

Third round Home teamResultAway teamRemarksCarnarvon United3-1Bangor ReservesHolyhead Swifts2-2Llandudno AmateursLlandudno Amateurs2-0Holyhead SwiftsReplaySummerhill2-0Brymbo VictoriaBuckley Rangers4-1Esclusham White StarsOak Alyn Rovers4-1Buckley EngineersRhos Rangers1-1Bala PressBala Press0-2Rhos RangersReplayLlanfres Brigade (Brecon)0-0Llanidloes UnitedLlanidloes United4-1Llanfres Brigade (Brecon)ReplayAberystwyth1-0 Shrewsbury Rovers

Fourth round Home teamResultAway teamRemarksLlandudno Amateurs0-1Carnarvon UnitedSummerhill0-4Rhos RangersAberystwyth2-1LlanidloesOak Alyn Rovers2-1Buckley Rangers

Semi-final ResultVenueAberystwyth1-1Carnarvon UnitedTowynCarnarvon United2-1 (Replay)AberystwythPorthmadogRhos Rangers1-3Oak Alyn Rovers Sealand Road, Chester

Final WinnerResultRunner-upVenueCarnarvon United5-1Oak Alyn RoversColwyn Bay

References