Authors
- Fred Saberhagen
- Steve Saffel
- Lilith Saintcrow
- Jim Salicrup
- Mark Salisbury
- Jessica Amanda Salmonson
- John Salonia
- Craig Sanborn
- Ian Sander
- Peter Sanderson
- Mary SanGiovanni
- Stephen J Sansweet
- Steven Savile
- Steven Saylor
- John Scalzi
- Paul Scanlon
- Joanna Schaffhausen
- Tom Schatz
- Rich Schepis
- Gary Scheppke
- Bryan Thomas Schmidt
- Jerry Schmitz
- Sandy Schofield
- David J. Schow
- Joe Schreiber
- V.E. Schwab
- Ann K. Schwader
- Darrell Schweitzer
- Ridley Scott
- Steve Scott
- Cavan Scott
- Art Scott
- Gavin Scott
- J. Scott Campbell
- Richard F. Searight
- Franklyn Searight
- Dave Seeley
- William Seil
- Constantine Sekeris
- Robert Sellers
- Geoff Senior
- Nick Setchfield
- William Shakespeare
- Priya Sharma
- Tess Sharpe
- Tony Shasteen
- Don Shay
- Michael Shea
- Kieran Shea
- Robert Shearman
- Robert Sheckley
- Ramsey Shehadeh
- John Sheldon
- Mary Shelley
- Mike Shepherd
- Simon Sheridan
- John Shirley
- Seymour Shubin
- Christopher Shy
- John Sibbick
- Brian Sibley
- James Siciliano
- Sam Siciliano
- Tom Siddell
- Jerry Siegel
- Scott Sigler
- Ty Silkman
- Robert Silverberg
- Joe Simon
- Daniel Simon
- Gail Simone
- Walter Simonson
- Louise Simonson
- Will Simpson
- Paul Simpson
- Josh Singer
- Michael Singer
- Adam Skorupskas
- Angela Slatter
- Alan Smale
- Madison Smartt Bell
- Guy N. Smith
- Kevin Smith
- Rob Smith
- Ron Smith
- Andy Smith
- Michael Marshall Smith
- Sherri Smith
- Scott Smith
- E.E. "Doc" Smith
- Gavin G. Smith
- Brandon T Snider
- Melinda Snodgrass
- Zack Snyder
- Ree Soesbee
- Bethesda Softworks
- Gregory Solano
- Jon Solomon
- Greg Spalenka
- Sparth
- William Browning Spencer
- Mickey Spillane
- Joey Spiotto
- Frank Springer
- David Sque
- Dana Stabenow
- Brian Stableford
- Domenic Stansberry
- Richard Stark
- Jason Starr
- Daniel Stashower
- Allen M. Steele
- Roger Steffens
- Derek Stenning
- Bruce Sterling
- Martin Stiff
- S. M. Stirling
- Bram Stoker
- John Stokes
- Matthew Stover
- Simon Strantzas
- Peter Straub
- Charles Stross
- Dylan Struzan
- Drew Struzan
- David Stuart Davies
- Tricia Sullivan
- Caitlin Sullivan Kelly
- Mark Sumerak
- Linda Sunshine
- Kurt Sutter
- David Sutton
- William Sutton
- James Swallow
- Michael Swanwick
- Duane Swierczynski
- Rachel Swirsky
- Ardian Syaf
- Jackson Sze