JD Cymru South
44 seasons in the archive · most titles: Penybont FC (5)
Champions
Aberystwyth Town
Baglan Dragons
Cwmbran Town
Port Talbot Town
Ely Rangers
Caerau Ely
Llantwit MajorMost titles
| # | Club | Titles | Last |
|---|---|---|---|
| 1 |  Penybont FC | 5 | 2059/60 |
| 2 |  Pontypridd United | 4 | 2052/53 |
| 3 |  Afan Lido | 3 | 2062/63 |
| 4 |  Llanelli Town | 3 | 2061/62 |
| 5 |  Trefelin Boys and Girls Club | 3 | 2055/56 |
| 6 |  Swansea University | 3 | 2046/47 |
| 7 |  Barry Town United | 3 | 2033/34 |
| 8 |  Cambrian & Clydach Vale Boys & Girls Club | 2 | 2057/58 |
| 9 |  Carmarthen Town | 2 | 2054/55 |
| 10 |  Ton Pentre | 2 | 2053/54 |
| 11 |  Aberdare Town | 2 | 2040/41 |
| 12 |  Goytre United | 1 | 2060/61 |