A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
| N | No name or number |
| N | North |
| N Bd | Notice Board |
| N Sq | Not Square |
| N Yorks | North Yorkshire |
| Nairn | Nairnshire |
| NBM | New Bench Mark |
| NC | Non-coniferous |
| NCB | National Coal Board |
| ND | No division |
| NG | National Grid |
| No | Number |
| Noncon | Nonconformist |
| Norf | Norfolk |
| Northants | Northamptonshire |
| Northum | Northumberland |
| Notts | Nottinghamshire |
| Nov | November |
| NS | Not square |
| NT | National Trust |
| NTL | Normal Tidal Limit |
| NTS | National Trust for Scotland |
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z