| Country |  Wales |
|---|---|
| Number of teams | 33 |
| Level on pyramid | 5–7 |
| Promotion to | West Wales Premier League |
| Domestic cup(s) | Carmarthenshire Senior Cup |
| Current champions | Seaside (2023–24) |
| Most championships | Trostre Sports (14 titles) |
The Carmarthenshire League (currently the LTC Mobility Carmarthenshire Association Football League) is a football league in Carmarthenshire, West Wales, sitting at the fifth, sixth and seventh levels of the Welsh football league system.
Teams promoted from the Premier Division may enter the West Wales Premier League if standards and facilities fall into line with the regulations of the Welsh Football League.