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- Hector Garrido
- Jack Gaughan (Hugo)
- Donato Giancola (Chesley), (Hugo), (World Fantasy)
- H. R. Giger
- Alexis A. Gilliland (Hugo)
- Jean Giraud (Moebius) (World Fantasy), (Hall of Fame)
- Edward Gorey (World Fantasy)
- Vernon Grant
- James Gurney (World Fantasy)
Read more about this topic: List Of Science Fiction And Fantasy Artists