Authors
- Zach Howard
- Kat Howard
- Paul Howes
- Hugh Howey
- Bryan Howie
- Rachel Howzell Hall
- Noela Hueso
- Tanya Huff
- David Hughes
- Matthew Hughes
- Rian Hughes
- Charlie Human
- E. Howard Hunt
- Matt Hurwitz
- Christopher Husberg
- Jacky Ickx
- Debra Jo Immergut
- Simon Ings
- Justina Ireland
- Alex Irvine
- John Jackson Miller
- S. Jae-Jones
- Jaime
- John Jakes
- Maxim Jakubowski
- Lynne Jamneck
- Klaus Janson
- Jac Jemc
- Maureen Jennings
- Louise Jensen
- Jock
- Paul Johnson
- William Johnson
- Stuart Johnson
- Jean Johnson
- Mike Johnson
- Staz Johnson
- Antony Johnston
- Carole Johnstone
- Mark Howard Jones
- Tyler Jones
- Tim Jones
- Gwyneth Jones
- Stephen Jones
- Sydney Jordan
- S. T. Joshi
- Phil Jourdan
- William Joyce
- Jr
- Richard Kadrey
- Paul Kane
- Drew Karpyshyn
- Kirsten Kaschock
- Heather Kassner
- Alma Katsu
- David Kaufman
- Nicholas Kaufmann
- Paul Kearney
- Day Keene
- Brian Keene
- Keffy R. M. Kehrli
- David H. Keller, M.D.
- James Patrick Kelly
- Gary Kemble
- Paul S. Kemp
- Cam Kennedy
- Steven L Kent
- Mike Kenwood
- Sherrilyn Kenyon
- Madaug Kenyon
- Jake Kerr
- Scott Kester
- Greg Keyes
- Rajan Khanna
- Chip Kidd
- Caitlin R. Kiernan
- Nancy Kilpatrick
- J. Robert King
- Laurie R King
- Stephen King
- T. Kingfisher
- Jack Kirby
- Barry Kitson
- Michael Klastorin
- Neil Kleid
- Leslie Klinger
- Leslie S Klinger
- Richard Knaak
- Sam Knight
- Nicholas Knight
- Chris Knowles
- J. C. Koch
- Joseph Koenig
- David Koepp
- Kojima Productions
- Dean R Koontz
- Susan Korman
- Ted Kosmatka
- Mary Robinette Kowal
- David J. Kowalski
- Daniel Kraus
- Nancy Kress
- Eric Kripke
- Lukas Kristjanson
- Neil Krolicki
- Paul Kupperberg
- Michael Kurland
- Sergey Kuznetsov
- Nick Kyme
- Mercedes Lackey
- Fabio Laguna
- Sam Lake
- Margo Lanagan
- Andrew Lane
- Sarah Langan
- John Langan
- John Lange
- David Langford
- Graham Langridge
- Joe R Lansdale
- Kasey Lansdale
- Alice LaPlante
- Tanya Lapointe
- Jesse Lasky
- Mark A. Latham
- Jim Lawrence
- James Lawrence
- Stephen Laws
- Thang Le
- Tim Lebbon
- Arone Le Bray
- Sharon Lee
- Jim Lee
- Tony Lee
- Stan Lee
- Ang Lee
- Dennis Lehane
- Susan Lehman
- Steve Leialoha
- Stephen Leigh
- Richard Lemmer
- V. H. Leslie
- Barbra Leslie
- Jonathan Lethem
- David D. Levine
- David Levy
- Roger Levy
- D. F. Lewis
- Kate Lewis
- Steve Lieber