Authors
- Jason M. Fylan
- Steve Gabry
- Sam Gafford
- David Gaider
- Sarah Gailey
- Neil Gaiman
- Caseen Gaines
- Manny Galan
- Trip Galey
- Stephen Gallagher
- SL Gallant
- Gallery 1988
- Leah Gallo
- Sean Galloway
- Fred Gambino
- Henry Gammidge
- The Gang
- Chuck Gannon
- Kami Garcia
- Gino Garcia
- Bob Garcia
- Don Garden
- Erle Stanley Gardner
- Danny Gardner
- Pat Garrahy
- Rob Garrard
- Randall Garrett
- Ray Garton
- Brian Garvey
- Andrew E. C. Gaska
- Stephen Gaskell
- Phill Gatenby
- Richard Gavin
- Kelly Gay
- Olivier Gay
- Philip Gelatt
- Jake Gerli
- Wade German
- David Gerrold
- Dave Gibbons
- Thomasina Gibson
- Roger Gibson
- William Gibson
- H. R. Giger
- Gilbert
- Lewis Gilbert
- Todd Gilchrist
- Roy Gill
- Vince Gilligan
- Alec Gillis
- Casey Gilly
- Laura Anne Gilman
- Nikki Giovanni
- Thomas Girard
- Gwen Giret
- Victor Gischler
- Max Gladstone
- John Glasby
- Seraphina Nova Glass
- Aria Gmitter
- Drew Goddard
- Simon Goddard
- Daniel Godfrey
- Godzilla
- Mark Goerner
- Owl Goingback
- Tod Goldberg
- Christie Golden
- Brady Golden
- Christopher Golden
- Matthew Goldman
- Jane Goldman
- Ellie Goldwine
- Agnes Gomillion
- Scott Goodall
- Cody Goodfellow
- David Goodis
- David A. Goodman
- Carol Goodman
- Archie Goodwin
- David Gordon
- Adam Gorham
- Genevieve Gornichec
- Sharon Gosling
- Theodora Goss
- James Goss
- Kim Gottlieb-Walker
- Amanda Gowin
- Adalyn Grace
- Kevin Grace
- James Grady
- Heather Graham
- Seth Grahame-Smith
- Adi Granov
- Alan Grant
- Mira Grant
- Helen Grant
- Preston Grassmann
- Tessa Gratton
- Tanis Gray
- Alex Gray
- Annie Gray
- Mick Gray
- Muriel 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
- Susan Griffith
- Clay Griffith
- David Grigg
- Tom Grimm
- Paul Grist
- Matt Groening
- Justin Groot
- Michael Gross
- Jordan Grosser
- Jeff Grubb
- Simon Guerrier
- Marc Guggenheim
- Gabriel "Gator" Guilbeau
- Johana Gustawsson
- Allan Guthrie
- Karen Haber
- Ammar Habib
- A. J. Hackwith
- Joe Haldeman
- Philip Haldeman
- Kelly Hale
- Sebastian Haley
- Oakley Hall
- Polly Hall
- Caroline Hall
- Steven Hall
- Dane Hallett
- Brett Halliday
- Mags L Halliday
- Dale Halvorsen
- David Hambling
- Barbara Hambly
- Shaun Hamill
- Pete Hamill
- Edmond Hamilton
- Donald Hamilton