Please find below links to Welsh writers with surnames beginning with G and H:
G
- Raymond Garlick (1926 – 2011, E), poet
- Steve Garrett (1950, E), poet
- Raine Geoghegan, E, poet
- Peter Bryan George (1924 – 1966, E), novelist
- Geraint Goodwin (1903 – 1941, E), journalist, novelist
- Gerald of Wales (c. 1146 – c. 1223, L), historian
- William Glynne-Jones (1907–1977, E), novelist, short stories and journalist
- Iris Gower (1935–2010, E), novelist
- Rob Graham (1961, E), adventurer
- Lowrey E Gray (1978, E), poet
- Eamonn Griffin (1968, E), thriller writer
- John Gwyn Griffiths (1911 – 2004, EW), poet, Egyptologist
- Richard Gwyn (1956, E), fiction / non-fiction writer and poet
H
Rob Graham – adventurer
- Lily Hayden (1982, E), chic lit
- Keith Haynes (1963, E), musician, football writer
- Dewi Heald (1972, E), comic, musician and satirical fiction
- Mary Heimann (1962, E), historian
- George Herbert (1593–1633, E), poet
- David Hodges (1944, E), crime thriller writer
- Wendy Holborow (1948, E), poet, children’s writer
- Rhiannon Hooson (1979, E), poet
- Sally El Hosaini, E, film director and screenwriter
- Griffith Hughes (1707 – 1758, EW), naturalist
- Richard Hughes (1900 – 1976, E), novelist
- Rhys Hughes (1966, E), fantasy writer