Please find below links to Welsh writers with surnames beginning with C and D:
C
- Harry Calvert (1932, E), academic, novelist
- Anthony K Campbell (1945, E), scientist, inventor, writer
- Jane Campbell (1965, E), poet
- Caradoc of Llancarfan (12th C, W), author
- Pamela Cartlidge (1952, E), novelist
- Brenda Chamberlain (1912 – 1971, E), artist, novelist
- Gillian Clarke (1937, EW), poet
- Catrin Collier (1948, E), novelist and playwright
- William Moreton Condry (1918 – 1998, E), naturalist
- Patrick Corcoran (1948, E), novelist and short stories
- Alexander Cordell (1914–1997, E), historical novelist
- Pam Crane (1943, E), poet and astrologer
- Jasmine Cresswell (1941, E), romantic fiction
- Rob Cullen (1950, E), poet
D
Catrin Collier – novelist
- Dafydd ap Gwilym (1315 – 1350, W), poet
- Roald Dahl (1916–1990, E), author, born to Norwegian parents
- Andrew Davies (1936, E), screenplays, children’s books
- Grahame Davies (1964, EW), poet and lyricist
- Huw Davies (1980, E), novelist, poet
- Idris Davies (1905–1953, EW), coal miner, teacher and poet
- John Davies (1938 – 2015, EW), historian, TV presenter
- Rhys Davies (1901 – 1978, E), novelist and short story writer
- Russell T Davies (1963, E), TV writer, screenwriter
- Stevie Davies (E), novelist
- W. H. Davies (1871–1940, E), poet and tramp