Crickhowell R.F.C. (unofficial)
- Last update 1999.
- http://dialspace.dial.pipex.com/town/drive/xyh12/

Cardiff Saracens R.F.C.
- News, fixtures, history and message boards.
- http://www.cardiffsaracens.co.uk/

Caerphilly Rugby Football Club
- Includes news, fixtures, history of the club, junior and ladies rugby. Contact details and opening times for club shop.
- http://www.caerphillyrfc.markel-photography.co.uk/

Cathays RFC
- Includes fixtures, contacts, pictures and news.
- http://www.pticymru.com/_vti_caj/counter/

Cardiff Saracens RFC
- Includes news, fixtures, history and message boards.
- http://www.southrun.co.uk/saracens/

Cardigan Rugby Club
- Club history, fixtures, news and club information.
- http://www.cardiganrugbyclub.co.uk/

Crumlin Rugby Football Club
- 125 years old club based in the Gwent Valleys. Fixtures, list of sponsors, photo gallery, news and club history.
- http://www.crumlinrfc.co.uk/

Colwyn Bay Rugby Club
- The official web site of North Wales Rugby Union club but also of the North Wales Coasters Rugby League team. Details of all club activities, fixtures and results, pen pictures and club officials.
- http://www.colwynbayrugby.co.uk/

Cardiff RFC, Cardiff Rugby
- The official web site with fixtures, interviews, the stadium and squad details.
- http://www.cardiffrfc.com/

Cardiff RFC, Blue and Black allover
- An unofficial web site with fixtures, reports, previews and statistics.
- http://cardiffrugby.rivals.net/