| Norfolk South |
|
| Norfolk Southern |
|
| Norfolk South West |
|
| Norfolk South Western |
|
| Norfolk Western |
|
| Normanton |
Full name (in Craig 2,3,4) Yorkshire (West Riding), Normanton |
| Normanton and Hemsworth |
|
| Normanton, Pontefract and Castleford |
|
| Northallerton |
|
| Northampton |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Northampton North |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Northamptonshire Eastern |
|
| Northamptonshire Mid |
|
| Northamptonshire Northern |
|
| Northamptonshire South |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 4) Northamptonshire (and the Soke of Peterborough), South |
| Northamptonshire South |
Also a constituency between 1950-1974. |
| Northamptonshire Southern |
|
| Northampton South |
Constituency first used at the February General election of 1974 (28/02/1974). |
| North Angus and Mearns |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 4) Aberdeenshire and Kincardineshire, North Angus and Mearns |
| Northavon |
|
| North Bedfordshire |
|
| North Cotswolds |
|
| North East Somerset and Hanham |
|
| North Fylde |
Full name (in Craig 4) Lancashire, North Fylde |
| North Lonsdale |
Full name (in Craig 2) Lancashire, North Lonsdale |