Constituencies: R
25 constituencies
| Constituency | Nation | GSS code |
|---|---|---|
| Rawmarsh and Conisbrough | England | E14001436 |
| Rayleigh and Wickford | England | E14001437 |
| Reading Central | England | E14001438 |
| Reading West and Mid Berkshire | England | E14001439 |
| Redcar | England | E14001440 |
| Redditch | England | E14001441 |
| Reigate | England | E14001442 |
| Rhondda and Ogmore | Wales | W07000107 |
| Ribble Valley | England | E14001443 |
| Richmond and Northallerton | England | E14001444 |
| Richmond Park | England | E14001445 |
| Rochdale | England | E14001446 |
| Rochester and Strood | England | E14001447 |
| Romford | England | E14001448 |
| Romsey and Southampton North | England | E14001449 |
| Rossendale and Darwen | England | E14001450 |
| Rother Valley | England | E14001451 |
| Rotherham | England | E14001452 |
| Rugby | England | E14001453 |
| Ruislip, Northwood and Pinner | England | E14001454 |
| Runcorn and Helsby | England | E14001455 |
| Runnymede and Weybridge | England | E14001456 |
| Rushcliffe | England | E14001457 |
| Rutherglen | Scotland | S14000104 |
| Rutland and Stamford | England | E14001458 |