- Sng, Christina (fl. 2000s-2010s) (stories) (art)
- See christinasng.com
- Snider, Roy (fl. 1920s) (stories)
- Born in Toronto, Canada.
- Sniegoski, Thomas E. (fl. 1980s-2010s) (stories)
- See en.wikipedia.org/wiki/Thomas_E._Sniegoski
- Snodgrass, Bill (fl. 2000s) (stories)
- See sites.google.com/site/billsnodgrass
- Snodgrass, Craig (fl. 2010s) (art)
- See craigsnodgrassart.com
- Snodgrass, Melinda M(arilyn) (1951- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/snodgrass_melinda_m
- Snodgrass, W(illiam) D(eWitt) (1926-2009) (stories)
- See en.wikipedia.org/wiki/W._D._Snodgrass
- Snow, C(harles) P(ercy) [Baron Snow] (1905-1980) (stories) (assoc.)
- See en.wikipedia.org/wiki/C.P._Snow
- Snow, Carmel (1887-1961) (stories)
- See en.wikipedia.org/wiki/Carmel_Snow
- Snow, Charles H(orace) (1877-1967) (stories)
- Born in Lower Lake, California; extremely prolific writer of westerns, with 465 novels to his credit, an even more impressive achievement when one learns that he was totally blind since 1914. Died in Napa, California.
- Snow, Edward Rowe (1902-1982) (stories) (assoc.)
- See en.wikipedia.org/wiki/Edward_Rowe_Snow
- Snow, Walter (1905-1973) (stories)
- Born in Connecticut; New York City newspaperman, short story writer.
- Snowden, Ethel (née Annakin) [Mrs. Philip Snowden] (1881-1951) (stories)
- See en.wikipedia.org/wiki/Ethel_Snowden
- Snowden, (James) Keighley (1860-1947) (stories)
- Born James Snowden and added the Keighley in memory of the town in which he grew up; writer and journalist.
- Snowden, Philip (1864-1937) (stories) (assoc.)
- See en.wikipedia.org/wiki/Philip_Snowden,_1st_Viscount_Snowden
- Snyder, A(lycea) K. (fl. 2010s) (stories)
- See alyceaksnyder.com
- Snyder, Gene [i.e., Eugene Vincent Snyder] (1943- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/snyder_gene
- Snyder, George (1937- ) (stories)
- Retired as Senior Editor, Technical Publications, Boeing Co.
- Snyder, Harry (1867-1927) (stories)
- See en.wikipedia.org/wiki/Harry_Snyder_(scientist)
- Snyder, Kelsey (M.) (fl. 2010s) (stories)
- See sites.google.com/site/kelseymsnyder
- Snyder, Leonard (M.) (1912-1977) (stories)
- Born in Canada, raised in Kansas City, Missouri; educated at the University of Oklahoma; a Navy public relations man, later living in New York City; magazine writer and writers coach; conducted courses in magazine writing; died in Norman, Oklahoma.
- Snyder, Lucy A. (fl. 1990s-2010s) (stories) (assoc.)
- See www.sff.net/people/lucy-snyder
- Snyder, Ruth (Brown) (1895-1928) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ruth_Snyder
- Soal, S(amuel) G(eorge) (1889-1975) (stories) (assoc.)
- See en.wikipedia.org/wiki/Samuel_Soal
- Soare, William F(ulton) (1896-1940) (art)
- See pulpartists.com/Soare.html
- Soares, Keith (fl. 2010s) (stories)
- See keithsoares.com
- Soares, L. L. (fl. 2000s-2010s) (stories) (assoc.)
- See khpbooks.com/llsoares/about-me
- Soave, Juliana (fl. 2000s-2010s) (stories) (assoc.)
- See www.julisnowwhite.com
- Sobel, Rachel (fl. 2000s-2010s) (stories)
- See www.beneath-ceaseless-skies.com/authors/page/21/
- Sobieck, Benjamin (fl. 2010s) (stories)
- See www.crimefictionbook.com
- Sobol, Donald J. (1924-2012) (stories)
- See en.wikipedia.org/wiki/Donald_J._Sobol
- Sobol, Louis (1896-1986) (stories)
- See www.nytimes.com/1986/02/10/obituaries/louis-sobol-90-dies-broadway-columnist.html
- Soddy, Frederick (1877-1956) (stories)
- Lecturer on Physical Chemistry and Radioactivity, University of Glasgow.
- Söderberg, Hjalmar (Emil Frederik) (1869-1941) (stories)
- See en.wikipedia.org/wiki/Hjalmar_S%C3%B6derberg
- Soderberg, Yngve Edward (1896-1971) (art)
- Born in Chicago, Illinois; died in Mystic, Connecticut (?).
- Soderstrom, Martin R(ichard) (1962- ) (stories)
- See en.wikipedia.org/wiki/Jack_Soren
- Soglow, Otto (1900-1975) (stories) (art)
- See en.wikipedia.org/wiki/Otto_Soglow
- Sohl, Jerry [i.e., Gerald Allan Sohl, Sr.] (1913-2002) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/sohl_jerry
- Sokol, Kim (fl. 2010s) (stories) (art) (assoc.)
- See www.kimsokol.com
- Sokoli, Joseph [i.e., Joseph Szokoli] (1913-1981) (stories) (art) (assoc.)
- See pulpartists.com/Szokoli.html
- Sokoloff, Boris (Theodore) (1889-1979) (stories)
- Born in St. Petersburg, Russia.
- Sokoloff, Natalie B. [name anglicized to Nancy Anderson Scott] (1906-?) (stories)
- Novelist and journalist. Born in Ekaterinoslav, Russia. Daughter of Boris Kamyshansky.
- Sokolow, Norman H(askell) (fl. 1940s) (stories)
- Also published a book of poetry. Probably from California.
- Sola, Bryan (Marvin P.) ({c}1989- ) (art)
- See bpsola.deviantart.com
- Soldan, William R. (fl. 2010s) (stories)
- See www.emptymirrorbooks.com/author/williamrsoldan
- Soldati, Mario (1906- ) (stories)
- See www.sf-encyclopedia.com/entry/soldati_mario
- Solem, Ossie [i.e., Oscar Martin Solem] (1891-1970) (stories)
- See en.wikipedia.org/wiki/Ossie_Solem
- Soles, Caro (fl. 1990s-2010s) (stories)
- See en.wikipedia.org/wiki/Caro_Soles
- Solis-Cohen, Judith (1876-1927) (stories)
- See jwa.org/encyclopedia/article/solis-cohen-judith
- Solis-Cohen, Solomon, M.D. (1857-1948) (stories)
- See jeffline.jefferson.edu/SML/archives/collections/finding_aids/solis-cohen/solomon.html
- Sollitt, Max (1927- ) (stories)
- See sidharta.com/author/Max_Sollitt
- Sologub, Fyodor; pseudonym of Fëdor Kuzmich Teternikov (1863-1927) (stories)
- See www.sf-encyclopedia.com/entry/sologub_fyodor
- Solomon, Samuel (1813-1883) (stories)
- See www.djo.org.uk/indexes/authors/samuel-sidney.html
- Solomon, Sandy (1948- ) (stories)
- See en.wikipedia.org/wiki/Sandy_Solomon
- Solomons, Theodore Seixas (fl. 1910s-1930s) (stories)
- Traveller and writer. Born in San Francisco, California.
- Solon, S. L. (fl. 1940s-1960s) (stories)
- Probably pseudonymous.
- Solotaroff, Theodore (1928-2008) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ted_Solotaroff
- Soloveichik, Meir (Yaakov) (1977- ) (stories)
- See en.wikipedia.org/wiki/Meir_Soloveichik
- 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
- Soltesz, Frank (fl. 1950s-1960s) (art)
- Born in Derry, Pennsylvania; died in Sherman, Connecticut (?).
- Solway, David (1941- ) (stories)
- See en.wikipedia.org/wiki/David_Solway
- Somerfield, Thomas (1876-1937) (art)
- See bearalley.blogspot.com/2019/03/thomas-somerfield.html
- Somerlott, Robert (1928-2001) (stories)
- Born in U.S., has lived mostly abroad, more recently in Mexico; lecturer in anthropology turned writer of books, short stories and essays.
- Somerset, Edward (, 2nd Marquess of Worcester) ({c}1602-1667) (stories) (assoc.)
- See en.wikipedia.org/wiki/Edward_Somerset,_2nd_Marquess_of_Worcester
- Somerset, Lady Henry [née Lady Isabella Caroline Somers-Cocks] (1851-1921) (stories) (assoc.)
- See en.wikipedia.org/wiki/Lady_Henry_Somerset
- Somervell, Brehon B(urke) (1892-1955) (stories)
- See en.wikipedia.org/wiki/Brehon_B._Somervell
- Somerville, Charles (Cecil Lee DMontral) (1876-1931) (stories)
- Born in New Orleans of Creole descent; magazine writer, New York City reporter.
- Somerville, E(dith Anna) (none) (1858-1949) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Edith_Anna_Somerville
- Somerville, [Sir] James (Fownes) (1882-1949) (stories) (assoc.)
- See en.wikipedia.org/wiki/James_Somerville
- Sommer, J. G. (fl. 1910s) (art)
- New York City area artist.
- 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
- Sonderborg, Frank (fl. 2010s) (stories)
- See franksonderborg.blogspot.co.uk
- Sonenberg, Maya (1960- ) (stories)
- See en.wikipedia.org/wiki/Maya_Sonenberg
- Song, Han (1965- ) (stories)
- See en.wikipedia.org/wiki/Han_Song_(writer)
- Sonin, Ray [born Zola Sonin] (1907-1991) (stories)
- Journalist, editor of dance band and light music weekly newspaper, song writer, and radio script writer. Born in London; emigrated to Canada in 1957; his Saturday afternoon program Calling All Britons on CFRB radio (Toronto) ran from 1958 until 1991; his musical program Down Memory Lane ran on the same station each week night from 1968 until shortly before his death.
- Sonnenberg, Gus(tave Adolph) (1898-1948) (stories) (assoc.)
- See en.wikipedia.org/wiki/Gus_Sonnenberg
- Sonnenschein, Edward (fl. 1940s) (stories)
- Collector of Oriental art. Not to be confused with Edward Adolf Sonnenschein (1851-1929).
- Sonnichsen, Albert (1878-1931) (stories)
- Journalist, short story writer. Born in San Francisco, California; died in Willimantic, Connecticut.
- Sontag, Susan (1933-2004) (stories)
- See en.wikipedia.org/wiki/Susan_Sontag
- Sontheimer, Morton (1906-1975) (stories)
- See www.nytimes.com/1982/03/24/obituaries/morton-sontheimer.html
- Soper, Eloise Liddon (1897-?) (stories)
- Born in Gordon, Alabama, and graduated from Huntingdon College; lived in New York.
- Soper, George (1870-1942) (stories) (art)
- See bearalley.blogspot.com/2018/05/george-soper_26.html
- Sophia of Sweden and Norway, Queen [i.e., Sophia Wilhelmine Marianne Henriette] (1836-1913) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sophia_of_Nassau
- Sopwith, [Sir] Thomas (Octave Murdoch) (1888-1989) (stories) (assoc.)
- See en.wikipedia.org/wiki/Thomas_Sopwith
- Sorabji, Cornelia (1866-1954) (stories)
- See en.wikipedia.org/wiki/Cornelia_Sorabji
- Sorel, Edward (1929- ) (stories)
- See www.sf-encyclopedia.com/entry/sorel_edward
- Sorensen, David Jack (fl. 2010s) (stories)
- See davidjacksorensen.wordpress.com
- Sorensen, Reginald (William, Baron Sorensen) (1891-1971) (stories)
- See en.wikipedia.org/wiki/Reginald_Sorensen,_Baron_Sorensen
- Sorenson, Edward S(ylvester) (1869-1939) (stories)
- Born in Dyraaba, New South Wales; began working at age 9 while intermittently in school; apprenticed to a carpenter at age 14; thereafter he was a gold prospector, worked at sheep stations, became a publican, and settled in Sydney to become a writer; as such he was prolific, contributing to periodicals and writing stories and verse; known for expert descriptions of wildlife.
- Sorg, Arley (fl. 2010s) (stories)
- See arleysorg.com
- Sorge, Carly B. (fl. 2010s) (stories) (art) (assoc.)
- See cbsorgeartworks.deviantart.com
- Sorokin, Pitirim A(lexandrovich) (1889-1968) (stories) (assoc.)
- See en.wikipedia.org/wiki/Pitirim_Sorokin