The Welsh Football League Challenge Cup (known for a time as the Nathaniel Car Sales League Cup for sponsorship reasons, and not to be confused with the national Welsh League Cup) was a knock-out competition for all members of the divisions that make up the Welsh Football League in south Wales.
|Last champions||Penydarren B.G.C.|
|Most successful club(s)||Cardiff City Reserves (7 titles)|
|Website||Official Welsh League website|
Titles per club Edit
|7||Cardiff City Reserves|
|5||Merthyr Tydfil Reserves, Newport County Reserves|
|4||Pembroke Borough, Taff's Well, Llanelli (Llanelly)|
|3||Barry Town Reserves, Barry Town, Brecon Corinthians, Ebbw Vale|
|2||Afan Lido, Goytre United, Haverfordwest County, Pontllanfraith, Swansea Town Reserves, Ton Pentre, AFC Porth|
|1||Abergavenny Thursdays, Blaenrhondda, Bridgend Town, Briton Ferry, Caerau Athletic, Cardiff Corinthians, Carmarthen Town, Croesyceiliog, Cwmbran Town, Grange Harlequins, Inter CableTel, Lake United, Llanwern, Merthyr Town Reserves, Milford, Neath, Penrhiwceiber Rangers, Port Talbot Athletic, Trefelin BGC, Treharris Athletic, Treowen Stars, Penydarren BGC|
- "League Cup" (pdf). WelshLeague.org.uk. Retrieved 24 March 2015.
- "Nathaniel 2013-14". WelshLeague.org.uk. Retrieved 24 March 2015.
- "Nathaniel 2014-15". WelshLeague.org.uk. Retrieved 25 May 2015.
- "Briton Ferry Llansawel AFC". www.britonferryllansawelafc.com. Retrieved 19 May 2018.
- Philipps, Terry (15 May 2017). "Champions Llanelli Town Lift League Cup To Complete Trophy Double". Dai Sport.
- "Trefelin Delight In Dramatic League Cup Final Success - Dai Sport". Dai Sport. 26 May 2018. Retrieved 26 May 2018.