| Liberal Unionist Federation |
Party-affiliated organisations |
|
| Liberal Union of Ireland |
Party-affiliated organisations |
|
| Liberation Society |
Religious organisations |
a.k.a. Society for the Liberation of Religion from State-Patronage and Control |
| Liberty |
Pressure/campaign organisations |
|
| Lib Unionist Association |
Party-affiliated organisations |
|
| Lincolnshire and Norfolk Small Holdings Association |
Miscellaneous |
|
| Liverpool Shipowners Society |
Miscellaneous |
|
| Liverpool Steamship Owners Association |
Pressure/campaign organisations |
|
| Local Conservative Association |
Party-affiliated organisations |
|
| Local Government Association |
Miscellaneous |
|
| Local Government Association of Northern Ireland |
Miscellaneous |
|
| London Chemists Association |
Miscellaneous |
|
| London General Shipowners Association |
Miscellaneous |
|
| London Liberal Federation |
Party-affiliated organisations |
|
| London Missionary Society |
Religious organisations |
|
| London Municipal Society |
Miscellaneous |
|
| London Perthshire Association |
Miscellaneous |
|
| London Rugged School Union |
Pressure/campaign organisations |
|
| Low Pay Unit |
Pressure/campaign organisations |
|
| Loyal Order of Ancient Shepherds |
Miscellaneous |
|
| Magistrates' Association |
Miscellaneous |
|
| Manchester Norman Angell League |
Miscellaneous |
|
| Manchester Unity of Oddfellows |
Miscellaneous |
|
| Market Research Society |
Professional/trade organisations |
|
| Master Sadlers Co |
Miscellaneous |
|