Cwm
- Canadian War Museum
- Christian Witness Ministries
- Circus World Museum
- Clark–Wilson model
- ClockworkMod
- Combe
- Combs (disambiguation)
- Comes With Music
- Common Warehouse Metamodel
- Contemporary worship music
- Contingent Workforce Management
- Coomb (disambiguation)
- Coombe (disambiguation)
- Council for World Mission
- Cum (disambiguation)
- Cwm (landform)
- Cwm (software)
- Cwm Cadnant
- Cwm Gwaun
- Cwm Penmachno
- Cwm Rhondda
- Cwm railway station
- Cwm, Blaenau Gwent
- Cwm, Denbighshire
- Cwm, Llanrothal
- Cwmbran railway station
- Pobol y Cwm
- S4C
- Western Cwm