The Cymru South is a regional football league in Wales, covering the southern half of the country, which forms one of two parts of the Cymru Championship. It has semi-professional status clubs and is at the second level of the Welsh football league system. The first year of its operation will be 2019-20 with the Football Association of Wales owning and administering the Tier 2 leagues for the first time. These changes follow from a review of the Welsh Football Pyramid.
|Level on pyramid||2|
|Promotion to||Cymru Premier|
|Relegation to||FAW League One|
|Domestic cup(s)||Welsh League Cup|
Member clubs for 2019–20 season
- "FAW Tier 2 First Instance Body Decision - 43 Clubs Successful". Football Association of Wales. 8 May 2019.
- "FAW Tier 2 appeals body decisions". Football Association of Wales. 22 May 2019.