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- Amaia Gabantxo
- Bridie Gallagher
- Izaak Garb
- David C. Gardner
- F Gareth
- Ed Garland
- Ceri-Anne Gatehouse
- Sharif Gemie
- Lisa Genova
- Eirwyn George
- JL George
- Mari George
- Sara Gethin
- Alun Gibbard
- Alun a Gibbard
- Howard a Gibbard
- Matthew Gibson
- William Gibson
- Ian Gilbert
- Stephen Gilligan
- Rob Gittins
- Annes Glyn
- Carys Glyn
- Gwyneth Glyn
- Ifor ap Glyn
- Peredur Glyn
- Annes Glynn
- William Glynne-Jones
- Andrew Goddard
- Becky Goddard-Hill
- Llewellyn Goff
- Ed Gold
- Steven Goldstone
- Leon Gooberman
- John Goodby
- Rob Goodfellow
- Emma Goswell
- Ian Gough
- Peter Goulding
- Kevin Gournay
- Sarah Govett
- John Gower
- Jon Gower
- Onwy Gower
- The Students of Limpsfield Gr
- Maria Grace
- Dr Nori Graham
- Oakley Graham
- Kate Gramich
- Katie Gramich
- Emily Gravett
- Andrew Green
- Diane Green
- Jen Green
- Stuart Nishan Green
- Juliet Greenwood
- Rhiannon Gregory
- Louise Greig
- Mary Griese
- Hywel Griffit
- Euron Griffith
- Hywel Griffith
- W.J. Griffith
- Alaw Griffiths
- Angharad Griffiths
- David Griffiths
- Dewi Griffiths
- Gilmor Griffiths
- Gwyn Griffiths
- Hywel Griffiths
- John Alwyn Griffiths
- Kate Griffiths
- Natalie Griffiths
- Niall Griffiths
- Peter Griffiths