League Tables – 2020
League Table – PG1
| TEAM | P | W | D | L | FOR | AGAINST | DIFF | PTS |
| CARDIFF | | | | | | | | |
| DINAS POWIS | | | | | | | | |
| ELY VALLEY | | | | | | | | |
| HARLEQUINS | | | | | | | | |
| MERTHYR WEST END | | | | | | | | |
| PENYLAN | | | | | | | | |
| WHITCHURCH | | | | | | | | |
| YSTRADFECHAN | | | | | | | | |
League Table – PG2
| TEAM | P | W | D | L | FOR | AGAINST | DIFF | PTS |
| CARDIFF | | | | | | | | |
| DINAS POWIS | | | | | | | | |
| GUEST MEMORIAL | | | | | | | | |
| HARLEQUINS | | | | | | | | |
| LLANTRISANT | | | | | | | | |
| MERTHYR WEST END | | | | | | | | |
| PENARTH | | | | | | | | |
| PENYLAN | | | | | | | | |
| WHITCHURCH | | | | | | | | |
| YSTRADFECHAN | | | | | | | | |
League Table – Merthyr League
| TEAM | P | W | D | L | FOR | AGAINST | DIFF | PTS |
| CYFARTHFA | | | | | | | | |
| GUEST MEMORIAL | | | | | | | | |
| MERTHYR WEST END | | | | | | | | |
| THOMASTOWN | | | | | | | | |
| TRELEWIS/TREHARRIS | | | | | | | | |
| TROEDYRHIW | | | | | | | | |
League Table – Rhymney Valley League
| TEAM | P | W | D | L | FOR | AGAINST | DIFF | PTS |
| BARGOED | | | | | | | | |
| CAERPHILLY TOWN | | | | | | | | |
| GILFACH BARGOED | | | | | | | | |
| MERTHYR WEST END | | | | | | | | |
| PENYRHEOL | | | | | | | | |
| TRELEWIS/TREHARRIS | | | | | | | | |
| YSTRAD MYNACH | | | | | | | | |
League Table – Mid Glam League
| TEAM | P | W | D | L | FOR | AGAINST | DIFF | PTS |
| BLAENRHONDDA | | | | | | | | |
| FERNDALE | | | | | | | | |
| GELLI PARK | | | | | | | | |
| MERTHYR WEST END | | | | | | | | |
| YNYSYBWL | | | | | | | | |
| THOMASTOWN | | | | | | | | |
| TRELEWIS/TREHARRIS | | | | | | | | |
| TROEDYRHIW | | | | | | | | |
| YSTRADFECHAN | | | | | | | | |
