- Silverstein, David (1896-1944) (stories) (assoc.)
- See www.imdb.com/name/nm0799027
- Silverston, Sondra (fl. 2000s-2010s) (stories)
- See granta.com/contributor/sondra-silverston/
- Silverthorne, Lisa S. (fl. 1990s-2010s) (stories)
- See www.drewes.org
- Sim, Dave (1958- ) (stories) (art) (assoc.)
- See www.sf-encyclopedia.com/entry/sim_dave
- Sim, Jeremy (fl. 2010s) (stories) (assoc.)
- See www.jeremysim.com
- Simak, Clifford D(onald) (1904-1988) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/simak_clifford_d
- Simanion (fl. 2010s) (art)
- See www.simanion.deviantart.com
- Simcox, George Augustus (1841-1905) (stories)
- See en.wikipedia.org/wiki/George_Augustus_Simcox
- Simic, Charles [born Duan Simić] (1938- ) (stories)
- See en.wikipedia.org/wiki/Charles_Simic
- Simiot, Bernard (fl. 1940s) (stories)
- French writer.
- Simko, Michael V. (1893-1989) (stories)
- See tellersofweirdtales.blogspot.co.uk/2016/01/michael-v-simko-1893-1989.html
- Simmie, Lois (Ann Binns) (1932- ) (stories)
- See www.encyclopedia.com/arts/educational-magazines/simmie-lois-ann-1932
- Simmonds, Ralph (1889-1967) (stories)
- Journalist for the Melbourne Herald; born in London, went to Australia in 1914, and died in Maldon, Australia.
- Simmons, Addison (1902-1972) (stories)
- Born in Boston; graduate of Harvard and Harvard Law School. Scriptwriter for old time radio.
- Simmons, Dan (1948- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/simmons_dan
- Simmons, Diane (E.) (1948- ) (stories)
- Raised in Oregon; newspaper reporter.
- Simmons, Edwin (Howard) (1921- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Edwin_H._Simmons
- Simmons, Kelly (fl. 2000s-2010s) (stories)
- See www.bykellysimmons.com
- Simmons, Kristen (fl. 2010s) (stories)
- See www.kristensimmonsbooks.com
- Simmons, [Sir] (John) Lintorn (Arabin) (1821-1903) (stories) (assoc.)
- See en.wikipedia.org/wiki/Lintorn_Simmons
- Simmons, Shane (fl. 1990s-2010s) (stories)
- See eyestrainproductions.com
- Simmons, William P. ({c}1975- ) (stories) (assoc.)
- See www.infinityplus.co.uk/misc/wps.htm
- Simms, Kimberly (fl. 2010s) (stories)
- See www.kimberlysimms.com
- Simms, William Gilmore (1806-1870) (stories)
- See en.wikipedia.org/wiki/William_Gilmore_Simms
- Simon, Abe (1913-1969) (stories)
- See en.wikipedia.org/wiki/Abe_Simon
- Simon, Clea (fl. 2000s-2010s) (stories)
- See www.cleasimon.com
- Simon, John (1925- ) (stories)
- See en.wikipedia.org/wiki/John_Simon_(critic)
- Simon, John Allsebrook (1873-1954) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_Simon,_1st_Viscount_Simon
- Simon, John Oliver (1942-2018) (stories)
- See www.berkeleyside.com/2018/01/18/remembering-john-oliver-simon-distinguished-poet-teacher-translator
- Simon, Simone (Thérèse Fernande) ({c}1910-2005) (stories) (assoc.)
- See en.wikipedia.org/wiki/Simone_Simon
- Simonds, Sandra (fl. 2010s) (stories)
- See www.sandrasimondspoet.com
- Simoneau, Jules (1820-1908) (stories) (assoc.)
- See www.alumni.miis.edu/s/1637/02-middlebury/index.aspx?sid=1637&gid=3&pgid=529
- Simonetti, Marc (fl. 2010s) (stories) (art) (assoc.)
- See www.marcsimonetti.com
- Simonov, Konstantin (Mikhailovich) (1915-1979) (stories)
- See en.wikipedia.org/wiki/Konstantin_Simonov
- Simpich, Frederick (1878-1950) (stories)
- Traveler, editor and author. Born in Urbana, Illinois; died in Washington, D.C.
- Simpson, Claire (fl. 2010s) (stories)
- See clairewriteswords.wordpress.com
- Simpson, Evan John (1901-1953) (stories)
- Born in London, England; died in Henley; educated at University College, Oxford; actor, stage manager, author and playwright; intelligence officer in WWII.
- Simpson, Helen (de Guerry) (1897-1940) (stories) (assoc.)
- See en.wikipedia.org/wiki/Helen_de_Guerry_Simpson
- Simpson, Helen (1959- ) (stories)
- See en.wikipedia.org/wiki/Helen_Simpson_(author)
- Simpson, Horace J(ames) (1875-1957) (stories)
- Born in Rochford, Essex, England; journalist and contributor to boys story papers.
- Simpson, J(ohn) Palgrave (1807-1887) (stories)
- Born in Norwich, son of the Town Clerk; educated at home and at Cambridge; turned to writing in 1844 when his father was ruined by a bank failure; later settled in London and had some success writing for the stage.
- Simpson, Jacqueline (1930- ) (stories)
- See en.wikipedia.org/wiki/Jacqueline_Simpson
- Simpson, James Allen (1934- ) (stories)
- Professor of Scandinavian Studies at University of Minnesota.
- Simpson, Jeff (1986- ) (stories) (art) (assoc.)
- See jeffsimpsonkh.deviantart.com
- Simpson, Joseph (1879-1939) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Joseph_Simpson_(artist)
- Simpson, Leanne Betasamosake (fl. 2010s) (stories)
- See en.wikipedia.org/wiki/Leanne_Betasamosake_Simpson
- Simpson, M(ary) C(harlotte) M(air) (1825-1907) (stories)
- See www.victorianresearch.org/atcl/show_author.php?aid=1024
- Simpson, Mona (Elizabeth, née Jandali) (1957- ) (stories)
- See en.wikipedia.org/wiki/Mona_Simpson
- Simpson, Phillip (fl. 2010s) (art)
- See phillz-art.deviantart.com
- Simpson, Phillip W. (fl. 2010s) (stories)
- See www.phillipwsimpson.com
- Simpson, Robert (1886-1934) (stories)
- Novelist and short story writer, editor. Born in Strathy, Scotland; emigrated to U.S. in 1907; took up writing adventure stories; joined the Munsey company in 1916, becoming editor of Argosy; then freelance; lived in New York where he died.
- Simpson, Spencer; pseudonym (fl. 1930s) (stories)
- A young woman who wrote her first book at age seventeen; was a shop assistant in Tunbridge Wells, England.
- Sims, Burt(on R.) (1919- ) (stories) (assoc.)
- California writer.
- Sims, Dorothy Rice (1889-1960) (stories)
- Born in New Jersey; died in Cairo, Egypt; was a world-famous bridge playing couple with second husband Hal Sims.
- Sims, George R(obert) (1847-1922) (stories) (art) (assoc.)
- Born in London and educated at Hanwell Military College and Bonn Univ.; journalist, dramatist, novelist and ss writer.
- Sims, J(ames) Marion (1813-1883) (stories)
- See en.wikipedia.org/wiki/J._Marion_Sims
- Sims, Jeffery Scott (fl. 2000s-2010s) (stories)
- See jefferyscottsims.webs.com
- Sims, Marian (née McCamy) (1898-1961) (stories)
- Born in Dalton, Georgia; graduate of Agnes Scott College; married lawyer Frank Sims in 1927; moved to North Carolina where she lived most of her life; novelist and short story writer; died in Charlotte, North Carolina.
- Sims, Maynard; pseudonym of L. H. Maynard (1953- ) & Michael P. N. Sims (1952- ) (stories) (assoc.)
- See www.maynard-sims.com
- Sims, Roger (1930- ) (stories) (art)
- See fancyclopedia.org/roger-sims
- Simson, Eric Andrew (1895-1956) (stories)
- Born in Edinburgh; educated at Wellington College; lived in Kent.
- Simson, Theodore (Frederick) Spicer (1871-1959) (stories) (assoc.)
- See de.wikipedia.org/wiki/Theodore_Spicer_Simson
- Sinán, Rogelio; pseudonym of Bernardo Domínguez Alba (1902-1994) (stories)
- See en.wikipedia.org/wiki/Rogelio_Sin%C3%A1n
- Sinclair, Alison (fl. 1980s-2010s) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/sinclair_alison
- Sinclair, Andrew (Annandale) (1935-2019) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/sinclair_andrew
- Sinclair, Archibald (1866-1922) (stories)
- See en.wikipedia.org/wiki/Archibald_Sinclair_(journalist)
- Sinclair, Archibald (Henry Macdonald, 1st Viscount Thurso) (1890-1970) (stories) (assoc.)
- See en.wikipedia.org/wiki/Archibald_Sinclair,_1st_Viscount_Thurso
- Sinclair, Bertrand W(illiam) [born William Brown Sinclair] (1881-1972) (stories)
- See en.wikipedia.org/wiki/Bertrand_William_Sinclair
- Sinclair, Harold (Augustus) (1907-1966) (stories)
- Novelist. Born in Chicago, Illinois; died in Bloomington, Indiana.
- Sinclair, Iain (MacGregor) (1943- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/sinclair_iain
- Sinclair, Jo; pseudonym of Ruth Seid (1913-1995) (stories)
- See en.wikipedia.org/wiki/Jo_Sinclair
- Sinclair, Robert B(ruce) (1905-1970) (stories)
- See en.wikipedia.org/wiki/Robert_B._Sinclair
- Sinclair, Safiya (fl. 2010s) (stories)
- See www.safiyasinclair.com
- Sinclair, Upton (Beall) (1878-1968) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/sinclair_upton
- Sinda, Petri (fl. 1990s-2000s) (stories)
- See www.austlit.edu.au/austlit/page/A63535
- Sindall, Alfred (1900-1973) (art)
- See ukcomics.wikia.com/wiki/Alfred_Sindall_(1900-1973)
- Singer, Ben(jamin D.) (1931-2012) (stories)
- See fancyclopedia.wikidot.com/ben-singer
- Singer, Isaac Bashevis (1904-1991) (stories) (assoc.)
- See en.wikipedia.org/wiki/Isaac_Bashevis_Singer
- Singer, Joseph (fl. 1960s-2010s) (stories)
- Nephew of Isaac Bashevis Singer.
- Singer, Kevin (fl. 2010s) (stories)
- See www.goodreads.com/author/show/7008115.Kevin_Singer
- Singer, Kurt (Deutsch) (1911-2005) (stories) (assoc.)
- Editor, anthologist, lecturer. Born in Vienna, Austria; came to United States in 1940; naturalized in 1951.
- Singer, Malvin (1911-1974) (art)
- See pulpartists.com/Singer.html
- Singer, Mark (Jay) (1950- ) (stories)
- See en.wikipedia.org/wiki/Mark_Singer_(journalist)
- Singh, Aditya (fl. 2010s) (stories)
- See authoradityasingh.blogspot.co.uk
- Singh, Ganga (1880-1943) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ganga_Singh
- Singh, Khushwant (1915-2014) (stories)
- See en.wikipedia.org/wiki/Khushwant_Singh
- Singh, Kirpal (1949- ) (stories) (assoc.)
- See eresources.nlb.gov.sg/infopedia/articles/SIP_464_2004-12-23.html
- Singh, Mahendra (fl. 2010s) (stories) (art) (assoc.)
- See justtheplaceforasnark.blogspot.co.uk
- Singh, Preeti (1971- ) (stories)
- See en.wikipedia.org/wiki/Preeti_Singh
- Singh, Sawai Madho, II (1862-1922) (stories) (assoc.)
- See en.wikipedia.org/wiki/Madho_Singh_II
- Singh, St. Nihal (1884-?) (stories)
- See www.open.ac.uk/researchprojects/makingbritain/content/saint-nihal-singh
- Singh, Vandana (fl. 2000s-2010s) (stories) (assoc.)
- See en.wikipedia.org/wiki/Vandana_Singh
- Singleton, Frank (1909-1978) (stories)
- Born in Lancashire; educated at London University and Cambridge; newspaper and journal editor.
- Singleton, Penny [born Marianna Dorothy Agnes Letitia McNulty] (1908-2003) (stories) (assoc.)
- See en.wikipedia.org/wiki/Penny_Singleton
- Sinisalo, (Aila) Johanna (1958- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Johanna_Sinisalo
- Sinisi, J. J. (fl. 2010s) (stories)
- See www.thisdesperatecity.com
- Sinn, Elisa (fl. 2010s) (stories)
- See www.proz.com/profile/2517307