Authors
- Randall Garrett
- Ray Garton
- Brian Garvey
- Andrew E. C. Gaska
- Phill Gatenby
- Richard Gavin
- Kelly Gay
- Philip Gelatt
- Jake Gerli
- Wade German
- David Gerrold
- Dave Gibbons
- Thomasina Gibson
- Roger Gibson
- H. R. Giger
- Lewis Gilbert
- Gilbert
- Roy Gill
- Alec Gillis
- Laura Anne Gilman
- Victor Gischler
- John Glasby
- Simon Goddard
- Drew Goddard
- Daniel Godfrey
- Mark Goerner
- Tod Goldberg
- Brady Golden
- Christopher Golden
- Christie Golden
- Jane Goldman
- Agnes Gomillion
- Scott Goodall
- Cody Goodfellow
- David Goodis
- Carol Goodman
- David A. Goodman
- Archie Goodwin
- Sharon Gosling
- James Goss
- Theodora Goss
- Kim Gottlieb-Walker
- Amanda Gowin
- James Grady
- Heather Graham
- Seth Grahame-Smith
- Helen Grant
- Mira Grant
- Alan Grant
- Muriel Gray
- Mick Gray
- Alex Gray
- Danny Graydon
- Robert Graysmith
- Jonathan Green
- Simon R. Green
- Louis Greenberg
- Robert Greenberger
- Daryl Gregory
- Lois H. Gresh
- Scott Tracy Griffin
- Sarah Maria Griffin
- Clay Griffith
- Susan Griffith
- David Grigg
- Paul Grist
- Matt Groening
- Michael Gross
- Jordan Grosser
- Jeff Grubb
- Simon Guerrier
- Marc Guggenheim
- Johana Gustawsson
- Allan Guthrie
- Karen Haber
- A. J. Hackwith
- Philip Haldeman
- Joe Haldeman
- Kelly Hale
- Steven Hall
- Oakley Hall
- Dane Hallett
- Mags L Halliday
- Brett Halliday
- David Hambling
- Barbara Hambly
- Pete Hamill
- Edmond Hamilton
- Donald Hamilton
- Frank Hampson
- Scott Handcock
- Rich Handley
- Edward B. Hanna
- Jimmy Hansen
- James R. Hansen
- Don Harley
- Joanne Harris
- John Harris
- Johnny Hart
- Andy Hartnell
- John Harvey
- Aaron Harvey
- Antoinette Haselhorst
- Dean Haspiel
- Henry Hasse
- Christopher Hastings
- Matt Hatton
- Maria Dahvana Headley
- Marcus Hearn
- Michael Heatley
- Drew Heatley
- Alan Hebden
- Robert Heinlein
- John G. Hemry
- Douglas Henderson
- Alice Henderson
- Randy Henderson
- Lauren Henderson
- Christina Henry
- Brian Herbert
- Anthony Hern
- Mario Hernandez
- Gilbert Hernandez
- Jaime Hernandez
- Jamie Hewlett
- Stephen Hickman
- Pablo Hidalgo
- John Higgins
- Sarah Hilary
- Russell Hill
- M. T. Hill
- Joe Hill
- James Hilton
- Jim C. Hines
- Bryan Hitch
- Mark Hodder
- Brian Hodge
- Craig Hodgetts
- William Hope Hodgson
- Mary Hoffman
- Burne Hogarth
- Jim Holdaway
- Nancy Holder
- Jesse J. Holland
- Richard Holliss
- Tetsuya Honda
- Yaroslav Horak
- Kyle Hotz
- Jason M. Hough
- Dan Houser