Political organisations
| Name | Type | Notes |
|---|---|---|
| Discharged Prisoners' Aid Society | Pressure group | |
| Druids | Miscellaneous | |
| Durham Political Reform Association | Pressure group | |
| East India Association of Founders | Trade group | |
| East Midlands Council Nat Lib Org | Party group | |
| Economic League | Pressure group | |
| Educational Association | Miscellaneous | |
| Educational Institute | Trade group | |
| Electrical Development Association | Miscellaneous | |
| El Salvador Solidarity | Pressure group | |
| Empire Cotton Corporation | Trade group | |
| Empire Day Movement | Pressure group | |
| Empire Economic Union | Pressure group | |
| Empire Industries Association | Pressure group | |
| Empire Parliamentary Association | Miscellaneous | |
| Empire Press Union | Pressure group | |
| Engineering and Allied Employers' National Federation | Trade group | |
| English League for the Taxation of Land Values | Pressure group | |
| English Speaking Union | Miscellaneous | |
| EPA | Miscellaneous |