- Stump, Jane (Barr) (1936- ) (stories)
- See www.sf-encyclopedia.com/entry/stump_jane
- Sturdee, T(hankful) (1852-1934) (stories)
- See www.deptford-jack.org.uk/thankfullsturdee.htm
- Sturdy, John Rhodes (1911-1974) (stories) (assoc.)
- Born in Montreal, Canada; a reporter in Chicago and Montreal; a public relations official for the Canadian Pacific Railway; served in the Royal Canadian Navy; also a Hollywood scriptwriter.
- Sturgeon, Jeff (fl. 2000s-2010s) (art)
- See www.jeffsturgeon.com
- Sturgeon, Theodore [born Edward Hamilton Waldo] (1918-1985) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/sturgeon_theodore
- Sturgis, Howard Overing (1855-1920) (stories)
- See en.wikipedia.org/wiki/Howard_Sturgis
- Sturgis, Julian R(ussell) (1848-1904) (stories)
- See en.wikipedia.org/wiki/Julian_Sturgis
- Sturgis, Russell (1836-1909) (stories)
- See en.wikipedia.org/wiki/Russell_Sturgis
- Sturluson, Snorri (1179-1241) (stories)
- See en.wikipedia.org/wiki/Snorri_Sturluson
- Sturner, Jason (fl. 1990s-2010s) (stories)
- See jasonsturner.blogspot.co.uk
- Sturrock, (James) Dudley (1882-?) (stories)
- Scriptwriter and playwright.
- Sturt, Henry (Gerald, 1st Baron Alington) (1825-1904) (stories) (assoc.)
- See en.wikipedia.org/wiki/Henry_Sturt,_1st_Baron_Alington
- Sturtzel, H(oward) A(llison) (1894-1984) (stories) (art)
- See en.wikipedia.org/wiki/Howard_Allison_Sturtzel
- Stuttman, Len (fl. 1950s) (stories)
- Was in Africa for a time.
- Stutts, Robert E. (fl. 2010s) (stories)
- See www.robertestutts.com
- Styrene, Poly [born Marianne Joan Elliott-Said] (1957-2011) (stories) (assoc.)
- See en.wikipedia.org/wiki/Poly_Styrene
- Styron, Arthur H(erman) (1891-1958) (stories)
- See tellersofweirdtales.blogspot.com/2012/03/arthur-styron-1891-1958.html
- Suares, J(ean) C(laude) (1942-2013) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jean-Claude_Suares
- Sublett, Jesse (Edwin, III) (1954- ) (stories)
- Musician and songwriter; born in Austin, living in Los Angeles, CA.
- Sublette, C(lifford) M(acClellan) (1887-1939) (stories)
- Author. Born in Charleston, Illinois.
- Subran, Portia (fl. 2010s) (stories)
- See www.peepaltreepress.com/authors/portia-subran
- Succre, Ray; pseudonym of Robin Morrison (fl. 2000s-2010s) (stories)
- See www.smashwords.com/profile/view/raysuccre
- Suckling, John (1609-1642) (stories)
- See en.wikipedia.org/wiki/John_Suckling_(poet)
- Sudbery, Tony (fl. 1960s-2010s) (stories)
- See www-users.york.ac.uk/as2/welcome.htm
- Suddaby, (William) Donald (1900-1964) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/suddaby_donald
- Suddain, M(atthew) (fl. 2010s) (stories) (assoc.)
- See www.theatreofthegods.com/#/about
- Sudermann, Hermann (1857-1928) (stories)
- See en.wikipedia.org/wiki/Hermann_Sudermann
- Sue, (Marie Joseph) Eugène (1804-1857) (stories) (assoc.)
- See en.wikipedia.org/wiki/Eug%C3%A8ne_Sue
- Suematsu Kenchō (1855-1920) (stories)
- See en.wikipedia.org/wiki/Suematsu_Kench%C5%8D
- Suey, Cameron (fl. 2010s) (stories)
- See thejosefkstories.com
- Sufrin, Mark (fl. 1950s-1990s) (stories)
- Has also done comic books and books on photography.
- Suga, Hiroe (1963- ) (stories)
- See www.sf-encyclopedia.com/entry/suga_hiroe
- Sugar, Andrea (Conrad) (stories)
- May have been the person who wrote as Andrew Sugar.
- Sugar, Andrew (1933-2010) (stories)
- Apparently this was his birth name, but he underwent a sex change, and may have become Andrea Sugar.
- Sugarman, Loual B(erthold) (1894-1965) (stories)
- See tellersofweirdtales.blogspot.com/2011/05/loual-b-sugarman-1894-1965.html
- Sugrue, Thomas (Joseph) (1907-1953) (stories)
- See en.wikipedia.org/wiki/Thomas_Joseph_Sugrue
- Suhner, Laurence (1968- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Laurence_Suhner
- Sui Sin Far; pseudonym of Edith Maude Eaton (1865-1914) (stories)
- See en.wikipedia.org/wiki/Sui_Sin_Far
- Sukarno (1901-1970) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sukarno
- Sukenick, Ronald (1932-2004) (stories)
- See en.wikipedia.org/wiki/Ronald_Sukenick
- Sukhorukova, Svetlana (fl. 2010s) (art)
- See www.slair-handry.deviantart.com
- Sulamal, Abdul Wakil [i.e., Abdul Wakil Sulamal Shinwari] (1964- ) (stories)
- See www.exiledwriters.co.uk/portfolio-items/abdul-sulamal/
- Sullivan, (Edward) Alan (1868-1947) (stories)
- See www.sf-encyclopedia.com/entry/sullivan_alan
- Sullivan, Alena Indigo Anne ({c}1992- ) (stories)
- See alenasullivan.wordpress.com
- Sullivan, Andrew (fl. 1990s-2010s) (stories)
- See www.roberthood.net/daikaiju-antho/contributors/sullivan.htm
- Sullivan, [Sir] Arthur (Seymour) (1842-1900) (stories) (assoc.)
- See en.wikipedia.org/wiki/Arthur_Sullivan
- Sullivan, Barry (1821-1891) (stories) (assoc.)
- See en.wikipedia.org/wiki/Barry_Sullivan_(stage_actor)
- Sullivan, Charles J. (1892-?) (stories)
- American writer; not to be confused with the teacher (1854-1921).
- Sullivan, Edmund J(oseph) (1869-1933) (stories) (art)
- See en.wikipedia.org/wiki/E._J._Sullivan
- Sullivan, Edward D(ean) (1888-1938) (stories)
- See bearalley.blogspot.co.uk/2015/10/edward-dean-sullivan.html
- Sullivan, Eugene (R.) (1941- ) (stories)
- See en.wikipedia.org/wiki/Eugene_R._Sullivan
- Sullivan, Francis William (1887-1946?) (stories)
- Writer. Born Evanston, Illinois; died in New York (?).
- Sullivan, Jon (fl. 1990s-2010s) (art)
- See www.jonsullivanart.com
- Sullivan, Lee (fl. 1990s-2010s) (stories) (assoc.)
- See www.leesullivanart.co.uk
- Sullivan, Richard (1908-1981) (stories)
- See archives.nd.edu/findaids/ead/xml/sul.xml
- Sullivan, Thomas (William) (1940- ) (stories)
- See www.thomassullivanauthor.com/Bio.html
- Sullivan, Thomas Russell (1849-1916) (stories)
- Born and died in Boston; author and dramatist.
- Sullivan, Timothy Robert (1948- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/sullivan_tim
- Sullivan, Tricia (1968- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/sullivan_tricia
- Sullivan, Virginia (1906?-?) (stories)
- Born in California; lived in San Francisco.
- Sullivant, T(homas) S(tarling) (1854-1926) (stories) (art)
- See en.wikipedia.org/wiki/T._S._Sullivant
- Sully, James (1842-1923) (stories)
- See en.wikipedia.org/wiki/James_Sully
- Sultan, Charles (1913-1984) (art)
- See pulpartists.com/Sultan.html
- Sulzer, William (1863-1941) (stories)
- See en.wikipedia.org/wiki/William_Sulzer
- Summar, Todd (fl. 2010s) (stories)
- See toddlsummar.com
- Summer, Donna [born LaDonna Adrian Gaines] (1948-2012) (stories) (assoc.)
- See en.wikipedia.org/wiki/Donna_Summer
- Summerhays, R(eginald) S(herriff) (1881-1976) (stories)
- See en.wikipedia.org/wiki/R._S._Summerhays
- Summers, Anna (fl. 2000s-2010s) (stories)
- See www.wordswithoutborders.org/contributor/anna-summers
- Summers, David Lee (fl. 1990s-2010s) (stories) (assoc.)
- See www.zianet.com/dsummers
- Summers, Jaron (B.) (1942- ) (stories) (assoc.)
- Screenwriter and TV scriptwriter.
- Sumner, Melanie (1963- ) (stories)
- See en.wikipedia.org/wiki/Melanie_Sumner
- Sun, Bobby (fl. 2010s) (stories)
- See us.macmillan.com/author/bobbysun
- Sundar, Naru Dames (fl. 2010s) (stories)
- See www.shardofstar.info
- Sundararajan, Shweta (fl. 2010s) (stories)
- See www.intergalacticmedicineshow.com/Data/bios/sundararajan_shweta.html
- Sunday, Billy [i.e., William Ashley Billy Sunday] (1862-1936) (stories) (assoc.)
- See en.wikipedia.org/wiki/Billy_Sunday
- Sung Eun Kim (1985- ) (art)
- See www.sungeunkimart.com
- Surdez, Georges (Arthur) (1900-1949) (stories) (assoc.)
- See pulpflakes.blogspot.com/2012/06/georges-surdez-writer-of-french-foreign.html
- Surface, David (fl. 2000s-2010s) (stories)
- See www.davidsurface.net
- Surridge, Matthew David (fl. 2000s-2010s) (stories)
- See misrule.blogspot.co.uk
- Susann, Jacqueline (1918-1974) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/susann_jacqueline
- Suschitzky, W(olfgang) (1912-2016) (stories) (art)
- See en.wikipedia.org/wiki/Wolfgang_Suschitzky
- Suskind, Richard (1925-1999) (stories)
- See en.wikipedia.org/wiki/Richard_Suskind
- Susman, Tim (fl. 1980s-2010s) (stories) (assoc.)
- See timsusman.wordpress.com
- Sussex, Lucy (Jane) (1957- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/sussex_lucy
- Sussman, Art(hur T.) (1927-2008) (art)
- Born Brooklyn, New York.
- Sussman, Paul (Nicholas) (1966-2012) (stories) (assoc.)
- See en.wikipedia.org/wiki/Paul_Sussman
- ust, Martin (1977- ) (stories)
- See cs.wikipedia.org/wiki/Martin_%C5%A0ust
- Sutcliffe, (Rose) Constance (1853-1929) (stories)
- Born in Cheshire, England; died in Hampstead.
- Sutcliffe, (Henry James) Halliwell (1870-1932) (stories) (assoc.)
- Raised in Yorkshire; educated there and in Cambridge; full time writer from his 20s.
- Suter, J. Paul (1884-?) (stories) (assoc.)
- See pulpflakes.blogspot.com/2013/05/author-profile-j-paul-suter-newspaper.html
- Sutherland, Donald (McNichol) (1935- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Donald_Sutherland
- Sutherland, Edwin H(ardin) (1883-1950) (stories) (assoc.)
- See en.wikipedia.org/wiki/Edwin_Sutherland
- Sutherland, H(erbert) M(aynor) (1892-1967) (stories)
- Playwright. Lived in Virginia (?).
- Sutherland, Joel A. (1980- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Joel_A._Sutherland
- Sutherland, John Bain (1889-1948) (stories)
- See en.wikipedia.org/wiki/Jock_Sutherland
- Sutherland, Millicent-Leveson-Gower [née Lady Millicent Fanny St. Clair-Erskine] (1867-1955) (stories)
- See en.wikipedia.org/wiki/Millicent_Leveson-Gower,_Duchess_of_Sutherland
- Sutherland, Thomas (1834-1922) (stories)
- See en.wikipedia.org/wiki/Thomas_Sutherland_(banker)
- Sutherst, Gwladys (Ethel Gwendolen Eugénie, Marchioness Townshend) (1884-1959) (stories)
- See en.wikipedia.org/wiki/Gwladys_Sutherst_Townshend
- Sutphen, (William Gilbert) Van Tassel (1861-1945) (stories)
- See www.sf-encyclopedia.com/entry/sutphen_van_tassel