Ein Awduron
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- Rhian Cadwaladr
- Anne Cakebread
- Abbie Cameron
- Nina Caniac
- Rhian Carbis
- Richard Carbis
- Laura Carlin
- Chris Carling
- Glenda Carr
- Phil Carradice
- Alan Cash
- Andy Catling
- Alexis Caught
- Karin Celestine
- Fiona Challacombe
- Sean Chambers
- Simon Chandler
- T. Robin Chapman
- Dafydd Chilton
- Alastair Chisholm
- Huw Chiswell
- Paul Christelis
- Alexandra Claire
- Céline Claire
- Carolyn Clark
- Eoin Clarke
- Gillian Clarke
- Jean Claude
- Anna Claybourne
- Bethan Clemant
- Bethan Clement
- Alun Cob
- Cob,
- Joseph Coelho
- Fiona Collins
- Ross Collins
- Carlo Collodi
- Allison Colpoys
- Louise Comfort
- Dom Conlon
- Lowri Haf Cooke
- Dr Sharie Coombes
- Bernard Coope
- Jonathan Copeland
- James Cottell
- Dawn Coulter-Cruttenden
- Cressida Cowell
- Beth Cox
- Katherine Cox
- Kevin Crossley-Holland
- Caroline Crowe
- Elin Vaughan Crowley
- Croxon,
- Bruzzone CroxonMillar
- Adam Cullen
- Judi Curtin
- Testun Cyf
- Lowri Cynan