Name
- Gladstone Radical Working Men's Club & Institute1
- Glasgow Clarion Scouts1
- Goldmann, Karl, teacher and correspondent of George Bernard Shaw, fl 19461
- Granville Hall Literary Society1
- Grindea, Miron, literary journalist and editor, 1909-19951
- Guild of St Matthew1
- Hack, Gerti, of Emmendingen; correspondent of George Bernard Shaw, fl 19461
- Hackney Radical Club1
- Hall, Charles H, correspondent of George Bernard Shaw, fl 19461
- Hall, Fernau, ballet dancer, critic and writer, 1915-19881
- Hall, Hessel Duncan, historian, 1891-19761
- Hammersmith Club1
- Hammersmith Socialist Society1
- Hampstead Historic Club1
- Hampstead Society for the Study of Socialism1
- Hancock, D S, Captain of Rochester Kent1
- Hanley and District Fabian Society1
- Harcourt, Robert Venables Vernon, MP, dramatist, 1878-19621
- Hardwicke Society1
- Harlesden Radical Club1