Constituencies: P
18 constituencies
| Constituency | Nation | GSS code |
|---|---|---|
| Paisley and Renfrewshire North | Scotland | S14000101 |
| Paisley and Renfrewshire South | Scotland | S14000102 |
| Peckham | England | E14001421 |
| Pendle and Clitheroe | England | E14001422 |
| Penistone and Stocksbridge | England | E14001423 |
| Penrith and Solway | England | E14001424 |
| Perth and Kinross-shire | Scotland | S14000103 |
| Peterborough | England | E14001425 |
| Plymouth Moor View | England | E14001426 |
| Plymouth Sutton and Devonport | England | E14001427 |
| Pontefract, Castleford and Knottingley | England | E14001428 |
| Pontypridd | Wales | W07000106 |
| Poole | England | E14001429 |
| Poplar and Limehouse | England | E14001430 |
| Portsmouth North | England | E14001431 |
| Portsmouth South | England | E14001432 |
| Preston | England | E14001433 |
| Putney | England | E14001434 |