Authors
- Steve Saffel
- Claire Saim
- Lilith Saintcrow
- Jim Salicrup
- Mark Salisbury
- James Sallis
- Jessica Amanda Salmonson
- John Salonia
- Lily Samson
- Craig Sanborn
- Clayton Sandell
- Ian Sander
- Brandon Sanderson
- Peter Sanderson
- George Sandison
- Mary SanGiovanni
- Stephen J Sansweet
- Lee Sartori
- Jayaprakash Satyamurthy
- Steven Savile
- E. Saxey
- Steven Saylor
- John Scalzi
- Paul Scanlon
- Tori Schafer
- Joanna Schaffhausen
- Tom Schatz
- Rich Schepis
- Gary Scheppke
- Bryan Thomas Schmidt
- Jerry Schmitz
- Sandy Schofield
- David J. Schow
- Joe Schreiber
- Gretchen Schreiber
- V.E. Schwab
- Ann K. Schwader
- Darrell Schweitzer
- Ridley Scott
- Melissa Scott
- Steve Scott
- Cavan Scott
- Art Scott
- J. Scott Campbell
- Richard F. Searight
- Franklyn Searight
- Steven L Sears
- Dave Seeley
- Gilly Segal
- William Seil
- Constantine Sekeris
- Will Self
- Robert Sellers
- Victoria Selman
- Geoff Senior
- Ronnie Senteno
- Nick Setchfield
- Mo Shafeek
- William Shakespeare
- Priya Sharma
- Tess Sharpe
- Tony Shasteen
- Don Shay
- Michael Shea
- Jamison 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
- Elena Sichrovsky
- Sam Siciliano
- James Siciliano
- Tom Siddell
- Jerry Siegel
- Minerva Siegel
- Scott Sigler
- Ty Silkman
- Sergio Gómez Silván
- Scott Silver
- Robert Silverberg
- Riley Silverman
- Tara Sim
- Alex Simmons
- Chris Simms
- Joe Simon
- Daniel Simon
- Gail Simone
- Walter Simonson
- Louise Simonson
- Paul Simpson
- Will Simpson
- Iain Sinclair
- Josh Singer
- Michael Singer
- Nikhil Singh
- John Skipp
- Adam Skorupskas
- A.G. Slatter
- Alan Smale
- Madison Smartt Bell
- Rob Smith
- Michael Marshall Smith
- Ron Smith
- Sherri Smith
- Guy N. Smith
- Kevin Smith
- Scott Smith
- Gavin G. Smith
- E.E. "Doc" Smith
- Andy Smith
- Anna Smith Spark
- Courtney Smyth
- Brandon T Snider
- Melinda Snodgrass
- Lucy A. Snyder
- Zack Snyder
- Ree Soesbee
- Bethesda Softworks
- Gregory Solano
- Jon Solomon
- Greg Spalenka
- Sparth
- William Browning Spencer
- Dr. Egon Spengler
- Steven Spielberg
- Mickey Spillane
- Joey Spiotto
- L. Sprague de Camp
- Frank Springer
- David Sque
- Dana Stabenow
- Brian Stableford
- Michael A. Stackpole
- Cath Staincliffe
- Evan Stanley
- Domenic Stansberry
- Dr. Ray Stantz
- Richard Stark
- Caitlin Starling
- Jason Starr
- Daniel Stashower