Authors
- Joanne Harris
- Rachel Harrison
- Alix Harrow
- Debbie Harry
- Johnny Hart
- Andy Hartnell
- John Harvey
- Aaron Harvey
- Antoinette Haselhorst
- Dean Haspiel
- Henry Hasse
- Jessie Hassett
- David Hasteda
- Christopher Hastings
- Matt Hatton
- Scott Hawkins
- Samantha Hayes
- Gar Anthony Haywood
- Joan He
- Maria Dahvana Headley
- Marcus Hearn
- Lisa Heathfield
- Drew Heatley
- Michael Heatley
- Alan Hebden
- Heidi Heilig
- Liz Lee Heinecke
- Robert Heinlein
- Jenna Helland
- John G. Hemry
- Randy Henderson
- Alice Henderson
- Douglas Henderson
- Lauren Henderson
- Grady Hendrix
- Darryl Henley
- Caroline Hennessy
- Christina Henry
- Brian Herbert
- Anthony Hern
- Gilbert Hernandez
- Jaime Hernandez
- Mario Hernandez
- Adriana Herrera
- Karen Heuler
- Jamie Hewlett
- Stephen Hickman
- Spencer Hickman
- Pablo Hidalgo
- John Higgins
- Charlie Higson
- Tomás Hijo
- Sarah Hilary
- M.T. Hill
- Joe Hill
- James Tate Hill
- Russell Hill
- James Hilton
- Jim C. Hines
- Glen Hirshberg
- Bryan Hitch
- John C. Hocking
- Mark Hodder
- Brian Hodge
- Craig Hodgetts
- William Hope Hodgson
- Mary Hoffman
- Angie Hoffmeister
- Burne Hogarth
- Stark Holborn
- Jim Holdaway
- Nancy Holder
- Jesse J. Holland
- Erika Hollice
- Susi Holliday
- Richard Holliss
- Verity M. Holloway
- Tetsuya Honda
- Andrew Hook
- Yaroslav Horak
- Cole Horton
- Kyle Hotz
- Jason M. Hough
- Dan Houser
- Kat Howard
- Zach Howard
- Samantha Lee Howe
- Paul Howes
- Hugh Howey
- Bryan Howie
- Rachel Howzell Hall
- Polly Ho-Yen
- Sam Hudecki
- Noela Hueso
- Tanya Huff
- Matthew Hughes
- David Hughes
- Rian Hughes
- Rhys Hughes
- Charlie Human
- Christian Humberg
- E. Howard Hunt
- June Hur
- Kameron Hurley
- Matt Hurwitz
- Christopher Husberg
- Isabel Ibañez
- Jacky Ickx
- Debra Jo Immergut
- Simon Ings
- Ozzy Inguanzo
- Justina Ireland
- Allison Irons
- Christopher Irvin
- Alex Irvine
- Emmi Itäranta
- Junji Ito
- Renee Jablow
- John Jackson Miller
- S. Jae-Jones
- Jaime
- John Jakes
- Maxim Jakubowski
- Harlan James
- Chiabella James
- Hanna Jameson
- Lynne Jamneck
- Klaus Janson
- Nicole Jarvis
- Marie Javins
- Jac Jemc
- N. K. Jemisin
- Maureen Jennings
- Louise Jensen
- Danian Jerry
- Simon Jimenez
- Jock
- Staz Johnson
- Stuart Johnson
- Paul Johnson
- William Johnson
- Jean Johnson
- Mike Johnson
- Joshua Phillip Johnson
- Jacob Johnston
- Antony Johnston
- Carole Johnstone
- Stephen Jones
- Tyler Jones
- Gwyneth Jones