| Rossendale |
Full name (in Craig 2) Lancashire, Rossendale |
| Rossendale and Darwen |
|
| Ross, Skye and Inverness West |
|
| Ross, Skye and Lochaber |
|
| Rotherham |
Full name (in Craig 2) Yorkshire (West Riding), Rotherham |
| Rother Valley |
Full name (in Craig 3,4) Yorkshire (West Riding), Rother Valley |
| Rothwell |
Full name (in Craig 3) Yorkshire (West Riding), Rothwell |
| Rowley Regis and Tipton |
|
| Roxburgh and Berwickshire |
|
| Roxburgh Selkirk and Peebles |
|
| Roxburghshire |
|
| Roxburghshire and Selkirkshire |
|
| Roxburghshire, Selkirkshire and Peeblesshire |
|
| Royal Tunbridge Wells |
|
| Royton |
Full name (in Craig 3) Lancashire, Royton |
| Rugby |
Full name (in Craig 2,3,4) Warwickshire, Rugby |
| Rugby and Kenilworth |
|
| Ruislip Northwood |
Constituency of same name reformed 1983. |
| Ruislip Northwood |
Constituency of same name also existed 1950-1974ยน. |
| Ruislip, Northwood and Pinner |
|