Category:FAW Championship South & Mid 2019/20

Welsh Football League Division One 2018/19 champions, Pen-y-Bont was promoted to Welsh Premier League 2019/20. Welsh Premier League team, Llanelli Town was relegated to FAW Championship South & Mid.

Welsh Football League Division Two 2018/19 teams, STM Sports, Swansea University and Caerau (Ely) were promoted replacing Taff's Well, Goytre and Ton Pentre.