- Sorrentino, Christopher (1963- ) (stories)
- See en.wikipedia.org/wiki/Christopher_Sorrentino
- Sorrentino, Fernando (1942- ) (stories)
- Born in Buenos Aires.
- Soto, Ada Maria (fl. 2010s) (stories)
- See blog.adamariasoto.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
- Soule, Gardner (Bosworth) (1913-2000) (stories)
- See en.wikipedia.org/wiki/Gardner_Soule
- Souster, Raymond (Holmes) (1921-2012) (stories)
- See en.wikipedia.org/wiki/Raymond_Souster
- Soutar, (Edward) Andrew (1879-1941) (stories) (assoc.)
- Born Edward Andrew Stagg in Wiltshire; married Elspeth Soutar Swinton as Stagg in 1911; but then adopted the last name Soutar; death in Cornwall registered as Edward Andrew Soutar.
- South, Henry Erskine (1862-1935) (stories)
- Born in Hampshire; died in London; surgeon captain in the Royal Navy.
- South, Ira (1893-1918) (stories)
- Texas poet.
- South, Marshal (1889-1948) (stories)
- Born Roy Bennett Richards in Gelenelg, near Adelaide, Australia; came to the U.S. in 1908 with his mother and brother, settling in Oceanside, California; began using Marshal South for his writings in 1912 and it apparently became his adopted/legal name, under which his marriages, census records and WWII draft registration are listed. (His second wife Tanya is listed in social security death records as Tanya South and his first son as Marshal L. South Jr.) Author of 8 novels (none published in the U.S.), over 50 poems, short stories and essays and many Desert Magazine articles; lived latterly in a self-constructed house on Ghost Mountain in the California desert.
- Southard, Nate (fl. 2000s-2010s) (stories) (assoc.)
- See www.natesouthard.com
- Southcott, Audley (Edward) (1926-2005) (art)
- With advertising agencies, TV scriptwriter, film producer in England.
- Southerland, Katharine Virden (1892-1955) (stories)
- Born in Bayonne, New Jersey; educated in Dover, Delaware; advertising copy writer for Crowell Publishing Company of New York until marriage in 1923; died in Wilmington, Delaware.
- Southey, Robert (1774-1843) (stories) (assoc.)
- See en.wikipedia.org/wiki/Robert_Southey
- Southon, Arthur E(ustace) (1887-1964) (stories)
- Born in London; educated at Methodist College, Surrey; Methodist Minister, living in Somerset in the 1930s.
- Southworth, Billy [i.e., William Harold Southworth] (1893-1969) (stories)
- See en.wikipedia.org/wiki/Billy_Southworth
- Southworth, [Col.] Richard (fl. 1960s) (stories)
- Probably pseudonymous.
- Souvestre, Emile (1806-1854) (stories)
- See www.sf-encyclopedia.com/entry/souvestre_emile
- Souza, Doug C. (fl. 2010s) (stories)
- See www.dougcsouza.com
- Souza, Joseph (fl. 2010s) (stories) (assoc.)
- See www.josephsouza.net
- Sowden, Lewis (1903-1974) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/sowden_lewis
- Sowerby, (Katherine) Githa (1876-1970) (stories) (assoc.)
- See en.wikipedia.org/wiki/Githa_Sowerby
- Spaar, Lisa Russ (1956- ) (stories)
- See en.wikipedia.org/wiki/Lisa_Russ_Spaar
- Spaatz, Carl A(ndrew) (1891-1974) (stories)
- See en.wikipedia.org/wiki/Carl_Andrew_Spaatz
- SpÆ (fl. 2010s) (art)
- See spaemakesart.com
- Spaeth, Sigmund (Gottfried) (1885-1965) (stories)
- See en.wikipedia.org/wiki/Sigmund_Spaeth
- Spahn, A. C. (fl. 2010s) (stories)
- See acspahn.com
- Spain, Elsie [born Elsie Rickets] (1879-1970) (stories) (assoc.)
- See en.wikipedia.org/wiki/Elsie_Spain
- Spalding, Harriet Mabel (1862-1935) (stories)
- See en.wikipedia.org/wiki/Harriet_Mabel_Spalding
- Spalding, [Rev.] Samuel C(harles) (1878-1962) (stories)
- Born in Leavenworth, Kansas; educated at Meadville Theological School in Pennsylvania; founder of Chicago publishing company in 1921.
- Spalding, Susan Marr (1841-1908) (stories)
- See en.wikisource.org/wiki/Woman_of_the_Century/Susan_Marr_Spalding
- Spare, Austin Osman (1886-1956) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Austin_Osman_Spare
- Sparkes, Boyden (1890-1954) (stories)
- Editor and author. Born in Cincinnati, Ohio; died in Wilson, North Carolina.
- 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, Gerald (1903-?) (stories)
- See paradise-mysteries.blogspot.co.uk/2010/10/forgotten-books-crime-for-connoiseur.html
- Sparrow, Jeff (1969- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jeff_Sparrow
- Sparrow, Katherine (1974- ) (stories)
- See katherinesparrow.net
- Sparrow, Walter Shaw (1862-1940) (stories)
- See en.wikipedia.org/wiki/Walter_Shaw_Sparrow
- Speakman, Shawn (fl. 2010s) (stories) (assoc.)
- See shawnspeakman.com
- Speare, Dorothy (1898-1951) (stories)
- See nwda.orbiscascade.org/ark:/80444/xv91101
- Spearman, Frank H(amilton) (1859-1937) (stories)
- Born in Buffalo, N.Y.; educated at Lawrence College, Notre Dame and Loyola University. While he was a bank president in Nebraska, he was also a prolific writer of westerns, especially fiction and non-fiction on railways.
- Spears, Heather (1934- ) (stories)
- See www.sf-encyclopedia.com/entry/spears_heather
- Spears, Raymond S(miley) (1876-1950) (stories) (assoc.)
- Award-winning author, expert woodsman, journalist; popular for his tales of the wilderness. Born in Bellevue, Ohio; died in Inglewood, California.
- Specht, August (1849-1923) (art)
- See en.wikipedia.org/wiki/August_Specht
- Spector, Caroline [born Caroline Skelley] (fl. 1990s-2010s) (stories)
- See en.wikipedia.org/wiki/Caroline_Spector
- Spector, Joel (fl. 1990s-2010s) (stories) (art)
- See www.joelspector.com
- Spedding, Amanda J. (fl. 2000s-2010s) (stories) (assoc.)
- See www.phoenixeditingandproofreading.com
- Spedding, James (1808-1881) (stories)
- See en.wikipedia.org/wiki/James_Spedding
- Speechly, Marc Geoffrey (1960- ) (stories)
- Writer/performer for many years, appearing on TV and creating and performing his own BBC Radio 2 series Whining for England.
- Speed, Andrea (fl. 2010s) (stories)
- See andreaspeed.com
- Speed, Lancelot (1860-1931) (stories) (art)
- See en.wikipedia.org/wiki/Lancelot_Speed
- 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) (assoc.)
- See tellersofweirdtales.blogspot.co.uk/2016/05/two-victorian-british-authors.html
- Speller, Maureen Kincaid (fl. 1990s-2010s) (stories)
- See paperknife.wordpress.com
- Spellman, Cathy Cash (1941- ) (stories)
- See www.cathycashspellman.com/
- Spellman, Francis J(oseph) (1889-1967) (stories)
- See en.wikipedia.org/wiki/Francis_Spellman
- Spelman, Lucien E. G. (fl. 2000s-2010s) (stories)
- See lucienegspelman.com
- Spelterini, Maria (1853-1912) (stories) (assoc.)
- See en.wikipedia.org/wiki/Maria_Spelterini
- Spence, Catherine Helen (1825-1910) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/spence_catherine_helen
- Spence, Edward F(ordham) (1860-1932) (stories)
- Born in Liverpool, England; barrister; drama critic for numerous newspapers.
- Spence, (John) Hartzell (1908-2001) (stories) (assoc.)
- See en.wikipedia.org/wiki/Hartzell_Spence
- Spence, (James) Lewis (Thomas Chalmers) (1874-1955) (stories)
- Born in Broughton Ferry, England; educated at Edinburgh University; author and editor; lived in Edinburgh.
- Spence, Percy F(rederick) S(eaton) (1868-1933) (stories) (art)
- See en.wikipedia.org/wiki/Percy_Spence
- Spencer, Mrs. Bella Z(ilfa) (1840-1867) (stories)
- Born in London.
- Spencer, Beth (fl. 2010s) (stories) (art) (assoc.)
- See bethspencer.com
- Spencer, Charles (1955- ) (stories)
- See en.wikipedia.org/wiki/Charles_Spencer_(journalist)
- Spencer, Cornelia; pseudonym of Grace Sydenstricker Yaukey (1899-1994) (stories)
- See nwda.orbiscascade.org/ark:/80444/xv07534
- Spencer, Dean (fl. 2000s-2010s) (art)
- See www.deanspencerart.com
- Spencer, Elizabeth (1921- ) (stories)
- Born in Carrollton, Miss.
- Spencer, LaVyrle (1943- ) (stories)
- See en.wikipedia.org/wiki/LaVyrle_Spencer
- Spencer, Leonard G.; house pseudonym (stories)
- See www.sf-encyclopedia.com/entry/spencer_leonard_g
- Spencer, Lilian White (1876-1953) (stories)
- See en.wikipedia.org/wiki/Lillian_White_Spencer
- 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, Percival (G.) (1864-1913) (stories) (assoc.)
- See en.wikipedia.org/wiki/Percival_G._Spencer
- Spencer, Wen (1963- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Wen_Spencer
- Spencer, William [i.e., William George Spencer Cavendish, 6th Duke of Devonshire] (1790-1856) (stories) (assoc.)
- See en.wikipedia.org/wiki/William_Cavendish,_6th_Duke_of_Devonshire
- 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
- Spender, Brenda Elizabeth (1884-1967) (stories)
- See www.aim25.ac.uk/cgi-bin/vcdf/detail?coll_id=8700&inst_id=14
- Spender, (Edward) Harold (1864-1926) (stories)
- See en.wikipedia.org/wiki/Harold_Spender
- Spengler, Oswald (Arnold Gottfried) (1880-1936) (stories) (assoc.)
- See en.wikipedia.org/wiki/Oswald_Spengler
- Spenser, Edmund (1552-1599) (stories) (assoc.)
- See en.wikipedia.org/wiki/Edmund_Spenser
- Spéransky, Julia Cantacuzène, (née Grant) (1876-1975) (stories)
- See en.wikipedia.org/wiki/Julia_Dent_Cantacuz%C3%A8ne_Spiransky-Grant
- Sperduto, Benjamin (fl. 2000s-2010s) (stories)
- See www.benjaminsperduto.com
- Sperling, Milton (1912-1988) (stories)
- See en.wikipedia.org/wiki/Milton_Sperling
- Sperry, Armstrong (Wells) (1897-1976) (stories) (art)
- See pulpartists.com/Sperry.html
- Speyer, Edward (1884-?) (stories)
- Journalist. Not to be confused with the friend of Johannes Brahms and Richard Wagner (1841-1934).