2025–26 Cymru South
| Season | 2025–26 |
|---|---|
| Dates | 25 July 2025 – 18 April 2026 |
| Promoted | Trefelin BGC |
| Top goalscorer | Liam Eason (17 goals) |
| Biggest home win | Pontypridd United 7–0 Cwmbran Celtic (7 November 2025) |
| Biggest away win | Trethomas Bluebirds 0–5 Cambrian United (15 August 2025) Treowen Stars 0–5 Caerau Ely (27 September 2025) Ynyshir Albions 0–5 Trefelin (27 September 2025) |
| Highest scoring | Trethomas Bluebirds 4–5 Carmarthen Town (6 March 2026) |
| Longest winning run | 14 – Trefelin (10 October 2025–present) |
| Longest unbeaten run | 21 – Trefelin (16 August 2025–present) |
| Longest winless run | 21 – Cwmbran Celtic (26 July 2025–present) |
| Longest losing run | 7 – Afan Lido (29 November 2025–20 February 2026) |
| Highest attendance | 926 - Ynyshir Albions 1–3 Cambrian United (26 December 2025) |
| Lowest attendance | 50 - Ynyshir Albions 0–5 Trefelin (27 September 2025) |
← 2024–25 2026–27 → | |
The 2025–26 Cymru South season (also known as the 2025–26 JD Cymru South season for sponsorship reasons) is the sixth season of the second-tier Southern region football in Welsh football pyramid. The season began on 25 July 2025 and will conclude on 18 April 2026.