- Sokoli, Joseph [i.e., Joseph Szokoli] (1913-1981) (art)
- See pulpartists.com/Szokoli.html
- Sola, Bryan (Marvin P.) ({c}1989- ) (art)
- See bpsola.deviantart.com
- Soldati, Mario (1906- ) (stories)
- See www.sf-encyclopedia.com/entry/soldati_mario
- Soles, Caro (fl. 1990s-2010s) (stories)
- See en.wikipedia.org/wiki/Caro_Soles
- Sologub, Fyodor; pseudonym of Fëdor Kuzmich Teternikov (1863-1927) (stories)
- See www.sf-encyclopedia.com/entry/sologub_fyodor
- Solovioff, Nicholas (1927-1994) (art)
- See en.wikipedia.org/wiki/Nicholas_Solovioff
- Solow, Herbert F(ranklin) (1930- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Herbert_Franklin_Solow
- Sols; pseudonym of Allan Salisbury (1949- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sols
- Solway, David (1941- ) (stories)
- See en.wikipedia.org/wiki/David_Solway
- Somoza, Emeniano (Acain, Jr.) (1969- ) (stories)
- See en.wikipedia.org/wiki/Emeniano_Acain_Somoza_Jr
- Somtow, S. P.; pseudonym of Somtow Sucharitkul (1952- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/somtow_s_p
- Sonenberg, Maya (1960- ) (stories)
- See en.wikipedia.org/wiki/Maya_Sonenberg
- Song, Han (1965- ) (stories)
- See en.wikipedia.org/wiki/Han_Song_(writer)
- Sorensen, David Jack (fl. 2010s) (stories)
- See davidjacksorensen.wordpress.com
- Sorg, Arley (fl. 2010s) (stories)
- See arleysorg.com
- Sorge, Carly B. (fl. 2010s) (stories) (art) (assoc.)
- See cbsorgeartworks.deviantart.com
- Soucek, Apollo (1897-1955) (stories)
- See en.wikipedia.org/wiki/Apollo_Soucek
- Soukup, Martha (1959- ) (stories)
- See www.sf-encyclopedia.com/entry/soukup_martha
- Soulban, Lucien (1966- ) (stories)
- See en.wikipedia.org/wiki/Lucien_Soulban
- Soule, Daniel (fl. 2010s) (stories)
- See grammatology.co.uk
- Southard, Nate (fl. 2000s-2010s) (stories) (assoc.)
- See www.natesouthard.com
- Souza, Doug C. (fl. 2010s) (stories)
- See www.dougcsouza.com
- Sowden, Lewis (1903-1974) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/sowden_lewis
- SpÆ (fl. 2010s) (art)
- See spaemakesart.com
- Spahn, A. C. (fl. 2010s) (stories)
- See acspahn.com
- Sparks, Amber (fl. 2010s) (stories)
- See ambernoellesparks.com
- Sparks, Cat(riona) (1965- ) (stories) (art) (assoc.)
- See catsparks.net/
- Sparks, David R. (1897-1968) (stories)
- Writer and manufacturer. Born in Alton, Illinois; died in Whitefield, New Hampshire.
- Sparrow, Katherine (1974- ) (stories)
- See katherinesparrow.net
- Speakman, Shawn (fl. 2010s) (stories) (assoc.)
- See shawnspeakman.com
- Spears, Heather (1934- ) (stories)
- See www.sf-encyclopedia.com/entry/spears_heather
- Spector, Caroline [born Caroline Skelley] (fl. 1990s-2010s) (stories)
- See en.wikipedia.org/wiki/Caroline_Spector
- Spector, Joel (fl. 1990s-2010s) (art)
- See www.joelspector.com
- Spedding, Amanda J. (fl. 2000s-2010s) (stories) (assoc.)
- See www.phoenixeditingandproofreading.com
- Speed, Andrea (fl. 2010s) (stories)
- See andreaspeed.com
- Speedling, Kendra Leigh (fl. 2010s) (stories)
- See www.beneath-ceaseless-skies.com/authors/kendra-leigh-speedling/
- Speegle, Darren (fl. 2000s-2010s) (stories)
- See www.goodreads.com/author/show/1126527.Darren_Speegle
- Speidell, Kevin (fl. 2010s) (art)
- See www.kevins-art.com
- Speight, T(homas) W(ilkinson) (1830-1915) (stories)
- See tellersofweirdtales.blogspot.co.uk/2016/05/two-victorian-british-authors.html
- Speller, Maureen Kincaid (fl. 1990s-2010s) (stories)
- See paperknife.wordpress.com
- Spelman, Lucien E. G. (fl. 2000s-2010s) (stories)
- See lucienegspelman.com
- Spencer, Beth (fl. 2010s) (stories) (art) (assoc.)
- See bethspencer.com
- Spencer, Dean (fl. 2000s-2010s) (art)
- See www.deanspencerart.com
- Spencer, Elizabeth (1921- ) (stories)
- Born in Carrollton, Miss.
- Spencer, Leonard G.; house pseudonym (stories)
- See www.sf-encyclopedia.com/entry/spencer_leonard_g
- Spencer, Matt (fl. 1990s-2010s) (stories)
- See www.goodreads.com/author/show/643844.Matt_Spencer
- Spencer, Paul H(arrison) (1923-2014) (stories)
- See www.silverstallion.karkeeweb.com/kalki_archives/spencer_tribute.html
- Spencer, Wen (1963- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Wen_Spencer
- Spencer, William Browning (1946- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/spencer_william_browning
- Spencer-Brown, G(eorge) (1923-2016) (stories) (assoc.)
- See en.wikipedia.org/wiki/G._Spencer-Brown
- Sperduto, Benjamin (fl. 2000s-2010s) (stories)
- See www.benjaminsperduto.com
- Spierig, Michael (1976- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Spierig_brothers
- Spierig, Peter (1976- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Spierig_brothers
- Spillane, Mickey [i.e., Frank Morrison Spillane] (1918-2006) (stories)
- See en.wikipedia.org/wiki/Mickey_Spillane
- Spillard, C(andida) L. (fl. 2010s) (stories)
- See www.cspillardwriter.co.uk
- Spinabelli, Lauren (fl. 2010s) (stories)
- See mudseasonreview.com/author/lauren-spinabelli/
- Spinrad, Norman (Richard) (1940- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/spinrad_norman
- Spires, D. A. Xiaolin (fl. 2010s) (stories)
- See daxiaolinspires.wordpress.com
- Spivak, John L(ouis) (1897-1981) (stories)
- See en.wikipedia.org/wiki/John_L._Spivak
- Spofford, Harriet (Elizabeth) Prescott (1835-1921) (stories)
- See en.wikipedia.org/wiki/Harriet_Elizabeth_Prescott_Spofford
- Spooner, Luke (A.) (fl. 2010s) (stories) (art) (assoc.)
- See www.carrionhouse.com
- Spoor, Ryk E. (1962- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ryk_E._Spoor
- Sprang, Richard W(illiam) (1915-2000) (stories)
- See en.wikipedia.org/wiki/Dick_Sprang
- Spriggs, Bianca (Lynne) (fl. 2010s) (stories)
- See www.biancaspriggs.com
- Springer, Nancy (Connor) (1948- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Nancy_Springer
- Springer, Norman (1888-1974) (stories)
- Writer, spent time at sea. Born in Ontario, Canada; lived in San Francisco, California from 1896 onwards.
- Sproule, Dale L. (fl. 1980s-2010s) (stories) (art)
- See dlsproule.blogspot.co.uk
- Spruill, Steven G(regory) (1946- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/spruill_steven_g
- Spurrier, Simon (fl. 2000s) (stories) (assoc.)
- See en.wikipedia.org/wiki/Simon_Spurrier
- Sriduangkaew, Benjanun (fl. 2010s) (stories) (assoc.)
- See beekian.wordpress.com
- St. George, Carlie (fl. 2010s) (stories) (assoc.)
- See mygeekblasphemy.com
- St. John, J(ames) Allen (1872-1957) (stories) (art) (assoc.)
- See pulpartists.com/StJohn.html
- St. John-Loe, Gladys (Evelyn) [born Gladys Evelyn Camp] (1892-1977) (stories)
- Born in Paddington, London.
- Staaz, Arthur (fl. 2010s) (stories)
- See arthurstaaz.wordpress.com
- Stabback, Christopher (fl. 2010s) (stories)
- See chrisstabback.com
- Stableford, Brian (Michael) (1948- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/stableford_brian_m
- Stables, [Dr.] (William) Gordon (1840-1910) (stories)
- See www.sf-encyclopedia.com/entry/stables_gordon
- Stacey, (Harold Charles) Barnard (1889-1973) (stories)
- Born in London; died in Newton Abbot, Devonshire.
- Stacho, Ján (1936-1995) (stories)
- See sk.wikipedia.org/wiki/J%C3%A1n_Stacho
- Stacpoole, H(enry) de Vere (1863-1951) (stories)
- See www.sf-encyclopedia.com/entry/stacpoole_h_de_vere
- Staffin-Wiebe, Abra (fl. 2000s-2010s) (stories) (assoc.)
- See www.aswiebe.com
- Stafford, Greg [i.e., Francis Gregory Stafford] (1948-2018) (stories)
- See en.wikipedia.org/wiki/Greg_Stafford
- Stafford-Clark, David (1916-1999) (stories) (assoc.)
- See en.wikipedia.org/wiki/David_Stafford-Clark
- Staig, Laurence (F.) (1950- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/staig_laurence
- Stainer, Klayton (Aaron) (1991- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Klayton_Stainer
- Staite, Jewel (1982- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jewel_Staite
- Stallings, A(licia) E(lsbeth) (fl. 2000s-2010s) (stories)
- See en.wikipedia.org/wiki/A._E._Stallings
- Stallman, Robert (1930-1980) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/stallman_robert
- Stamatopoulos, Stamatis (1974- ) (stories)
- See samovar.strangehorizons.com/author/stamatis-stamatopoulos
- Stanchfield, Justin (fl. 1990s-2010s) (stories)
- See www.sff.net/people/justinvs/justin.html
- Standen, Anthony (1906-1993) (stories) (assoc.)
- See en.wikipedia.org/wiki/Anthony_Standen
- Stanger, Vaughan (1959- ) (stories)
- See www.vaughanstanger.com
- Stangerup, Henrik (1937- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/stangerup_henrik
- Stanish, Deborah (fl. 2010s) (stories)
- See deborahstanish.blogspot.co.uk/p/about.html
- Stanley, [Sir] Henry M(orton) [born John Rowlands] (1841-1904) (stories)
- See en.wikipedia.org/wiki/Henry_Morton_Stanley
- Stanley, Norman F. (1916-2016) (stories)
- See file770.com/?p=31551
- Stanley, Richard (1966- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Richard_Stanley_(director)
- Stanley, Robert (Charles, Jr.) (1918-1996) (art)
- See pulpartists.com/Stanley.html
- Stanton, Will(iam Frank) (1918-1996) (stories)
- See en.wikipedia.org/wiki/Will_Stanton_(author)
- Stapledon, (William) Olaf (1886-1950) (stories) (assoc.)
- See en.wikipedia.org/wiki/Olaf_Stapledon
- Staples, Dennis E. (fl. 2010s) (stories)
- See denkneestaples.wordpress.com
- Stapleton, Douglas (1904-1974) (stories)
- Born in Virginia; died in La Habra, California; same dates and identical social security number also given for Samuel Granville Staples!.