Authors
- Vince Gilligan
- Alec Gillis
- Casey Gilly
- Laura Anne Gilman
- Nikki Giovanni
- Thomas Girard
- Victor Gischler
- Max Gladstone
- John Glasby
- Seraphina Nova Glass
- Aria Gmitter
- Simon Goddard
- Drew Goddard
- Daniel Godfrey
- Mark Goerner
- Owl Goingback
- Tod Goldberg
- Christie Golden
- Christopher Golden
- Brady Golden
- Matthew Goldman
- Jane Goldman
- Ellie Goldwine
- Agnes Gomillion
- Scott Goodall
- Cody Goodfellow
- David Goodis
- Carol Goodman
- David A. Goodman
- Archie Goodwin
- Genevieve Gornichec
- Sharon Gosling
- James Goss
- Theodora Goss
- Kim Gottlieb-Walker
- Amanda Gowin
- Adalyn Grace
- Kevin Grace
- James Grady
- Heather Graham
- Seth Grahame-Smith
- Adi Granov
- Alan Grant
- Helen Grant
- Mira Grant
- Preston Grassmann
- Tessa Gratton
- Muriel Gray
- Alex Gray
- Annie Gray
- Tanis Gray
- Mick Gray
- Danny Graydon
- Robert Graysmith
- Simon R. Green
- Jonathan 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
- 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
- Steven Hall
- Oakley Hall
- Caroline Hall
- Dane Hallett
- Mags L Halliday
- Brett Halliday
- Dale Halvorsen
- David Hambling
- Barbara Hambly
- Shaun Hamill
- Pete Hamill
- Donald Hamilton
- Edmond Hamilton
- Frank Hampson
- Elizabeth Hand
- Scott Handcock
- Rich Handley
- Edward B. Hanna
- James R. Hansen
- Jimmy Hansen
- Don Harley
- John Harris
- Joanne Harris
- Rachel Harrison
- Alix Harrow
- Debbie Harry
- Johnny Hart
- Andy Hartnell
- Aaron Harvey
- John Harvey
- Antoinette Haselhorst
- Dean Haspiel
- Henry Hasse
- David Hasteda
- Christopher Hastings
- Matt Hatton
- Scott Hawkins
- Joan He
- Maria Dahvana Headley
- Marcus Hearn
- Lisa Heathfield
- Michael Heatley
- Drew Heatley
- Alan Hebden
- Heidi Heilig
- Liz Lee Heinecke
- Robert Heinlein
- Jenna Helland
- John G. Hemry
- Randy Henderson
- Douglas Henderson
- Alice Henderson
- Lauren Henderson
- Grady Hendrix
- Darryl Henley
- Caroline Hennessy
- Christina Henry
- Brian Herbert
- Anthony Hern
- Gilbert Hernandez
- Jaime Hernandez
- Mario Hernandez
- Karen Heuler
- Jamie Hewlett
- Spencer Hickman
- Stephen Hickman
- Pablo Hidalgo