| Name | Locality | Local Authority | Administrative area |
| Pwll Glas | Mold | Sir y Fflint / Flintshire | Sir Y Fflint / Flintshire |
| Pwll Mawr Avenue | Rumney | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Pwll Melyn | Solva | Sir Benfro / Pembrokeshire | Sir Benfro / Pembrokeshire |
| Pwll Melyn | Pencoed | Pen-y-bont ar Ogwr / Bridgend | Pen-y-bont Ar Ogwr / Bridgend |
| Pwll Road | Pembrey and Burry Port Town | Sir Gaerfyrddin / Carmarthenshire | Sir Gaerfyrddin / Carmarthenshire |
| Pwll Road | Llanelli Rural | Sir Gaerfyrddin / Carmarthenshire | Sir Gaerfyrddin / Carmarthenshire |
| Pwll Street | Castlemartin | Sir Benfro / Pembrokeshire | Sir Benfro / Pembrokeshire |
| Pwll Street | Landore | Abertawe / Swansea | Abertawe / Swansea |
| Pwll Ty Allt | Gelligaer | Caerffili / Caerphilly | Caerffili / Caerphilly |
| Pwll Y Hwyaden | Flint | Sir y Fflint / Flintshire | Sir Y Fflint / Flintshire |
| Pwll Y Min Crescent | Peterston-super-Ely | Bro Morgannwg / the Vale of Glamorgan | Bro Morgannwg / The Vale of Glamorgan |
| Pwll Yr Hwyaid | Penderry | Abertawe / Swansea | Abertawe / Swansea |
| Pwll-evan-ddu | Coity Higher | Pen-y-bont ar Ogwr / Bridgend | Pen-y-bont Ar Ogwr / Bridgend |
| Pwll-y-bont | Prestatyn | Sir Ddinbych / Denbighshire | Sir Ddinbych / Denbighshire |
| Pwll-y-domen Road | Cwmbwrla | Abertawe / Swansea | Abertawe / Swansea |
| Pwll-y-glaw | Cwmavon | Castell-nedd Port Talbot / Neath Port Talbot | Castell-nedd Port Talbot / Neath Port Talbot |
| Pwll-y-grawys | Denbigh | Sir Ddinbych / Denbighshire | Sir Ddinbych / Denbighshire |
| Pwlldu Lane | Bishopston | Abertawe / Swansea | Abertawe / Swansea |
| Pwllfa Road | Aberaman | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Pwllglas Road | Cefn Fforest | Caerffili / Caerphilly | Caerffili / Caerphilly |
| Pwllgwaun Road | Pontypridd | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Pwllhai | Cardigan | Sir Ceredigion / Ceredigion | Sir Ceredigion / Ceredigion |
| Pwllheli Road | Bontnewydd | Gwynedd / Gwynedd | Gwynedd / Gwynedd |
| Pwllheli Road | Caernarfon | Gwynedd / Gwynedd | Gwynedd / Gwynedd |
| Pwllhelyg | Tongwynlais | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Pwllmelin Lane | Llandaff | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Pwllmelin Road | Fairwater | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Pwllmelin Road | Llandaff | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Pwllmeyric Close | Mathern | Sir Fynwy / Monmouthshire | Sir Fynwy / Monmouthshire |
| Pwllswyddog | Tregaron | Sir Ceredigion / Ceredigion | Sir Ceredigion / Ceredigion |
| Pwllycrochan Avenue | Colwyn Bay | Conwy / Conwy | Conwy / Conwy |
| Pwllygath Street | Pyle | Pen-y-bont ar Ogwr / Bridgend | Pen-y-bont Ar Ogwr / Bridgend |
