- Cyclenation The federation of cycle campaign groups in the UK
- Cycling UK The leading UK cycling organisation, formally CTC
- Sustrans Charity working to make it easier to walk and cycle. Head office is in Bristol
- British Cycling Sports cycling body but has an interest in campaigning
- Cycling Embassy of Great Britain Activists for cycling infrastructure
- Beyond the Kerb Trying to make sense of where the wheeled things live
- The Guardian Bike Blog As the title says
- Rachel Aldred Set up this site to bring together her various academic/research/policy interests, and to continue blogging