| Competition: | Ardal SE |
| Season: | 2022–23 |
| Winners: | Abertillery Bluebirds |
| Promoted: | Abertillery Bluebirds |
| Relegated: | RTB Ebbw Vale Monmouth Town Croesyceiliog |
| Prevseason: | 2021–22 |
| Nextseason: | 2023–24 |
The 2022 - 23 Ardal SE season (also known as the 2022 - 23 Floodlighting and Electrical Services Ardal SE season for sponsorship reasons) is the second season of the new third-tier southern region football in Welsh football pyramid, part of the Ardal Leagues.
The league was made up of 16 teams competing for one automatic promotion place to Cymru South, whilst the second-placed team qualified for a play-off with the second-placed team of Ardal SW. Three teams are relegated to Tier 4.
Promoted from Gwent County League Premier Division
Promoted from Mid Wales Football League East Division
Relegated from Cymru South
Promoted to Cymru South
Relegated
Transferred to Ardal NE
| Team | Location | Home Ground | |
|---|---|---|---|
| Abertillery Bluebirds | Abertillery | Abertillery Leisure Centre | |
| Blaenavon Blues | Blaenavon | The Memorial Ground | |
| Brecon Corinthians | Brecon | The Richfield | |
| Caldicot Town | Caldicot | Jubilee Way | |
| Chepstow Town | Chepstow | Larkfield Park | |
| Croesyceiliog | Croesyceiliog | Woodland Road | |
| Goytre | Penperlleni | Plough Road | |
| Lliswerry | Newport | Newport Stadium | |
| Monmouth Town | Penperlleni | Plough Road | |
| Newport City | Newport | Newport Stadium | |
| Risca United | Llanfabon | CCB Centre For Sporting Excellence | |
| RTB Ebbw Vale | Ebbw Vale | Hilltop Stadium | |
| Tredegar Town | Tredegar | Tredegar Leisure Complex | |
| Treowen Stars | Newbridge | Bush Park | |
| Trethomas Bluebirds | Llanfabon | CCB Centre For Sporting Excellence | |
| Undy Athletic | Undy | The Causeway |