- Thomas, R. S. (1913-2000) (stories) (assoc.)
- See en.wikipedia.org/wiki/R._S._Thomas
- Thomas, Reginald G(eorge) (1899-1956) (stories)
- Born in Worcester; educated at University College, Wales; a journalist.
- Thomas, Rob (1965- ) (stories)
- See en.wikipedia.org/wiki/Rob_Thomas_(writer)
- Thomas, Scarlett (1972- ) (stories)
- Born Scarlett Sparkes in the Hammersmith area of London.
- Thomas, Sheree R(enée) (1972- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sheree_Thomas
- Thomas, Sherry (M.) (1975- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sherry_Thomas
- Thomas, Shirley (1920-2005) (stories) (assoc.)
- See en.wikipedia.org/wiki/Shirley_Thomas_(USC_professor)
- Thomas, Stephen Paul; pseudonym of István Tomasovszki (1969- ) (stories) (assoc.)
- See www.stephenpaulthomas.com
- Thomas, Sue (fl. 1990s) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/thomas_sue
- Thomas, Theodore (1835-1905) (stories) (assoc.)
- See en.wikipedia.org/wiki/Theodore_Thomas_(conductor)
- Thomas, Theodore L(ockard) (1920-2005) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/thomas_theodore_l
- Thomas, Thomas T(hurston) (1948- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/thomas_thomas_t
- Thomas, [Sir] W(illiam) Beach (1868-1957) (stories)
- See en.wikipedia.org/wiki/William_Beach_Thomas
- Thomas, W(illiam) Moy (1828-1910) (stories)
- See en.wikipedia.org/wiki/William_Moy_Thomas
- Thomas, Wilbur (Leslie) (1900-1992) (art)
- See pulpartists.com/Thomas.html
- Thomassen, Reidar (1936- ) (stories)
- See en.wikipedia.org/wiki/Reidar_Thomassen
- Thompson, Alice (1961- ) (stories) (assoc.)
- Grew up in Edinburgh and read English at Oxford; played keyboard with a band (The Woodentops), then turned to writing.
- Thompson, Arianne Tex; pseudonym of Arianne MacDonald (fl. 2010s) (stories) (assoc.)
- See www.thetexfiles.com
- Thompson, Ben (1843-1884) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ben_Thompson_(lawman)
- Thompson, C(harles) Hall (1923-1991) (stories) (assoc.)
- See tellersofweirdtales.blogspot.com/2019/01/c-hall-thompson-1923-1991.html
- Thompson, C. S. (fl. 1990s-2010s) (stories)
- See noctiviganti.wordpress.com
- Thompson, Charles Miner (1864-1941) (stories)
- Born in Montpelier, Vermont.
- Thompson, Charles Willis (1871-1946) (stories)
- See findingaids.princeton.edu/names/2063952
- Thompson, D(ave) K. (fl. 2000s-2010s) (stories) (assoc.)
- See www.spiritualnoir.net
- Thompson, [Sir] DArcy W(entworth) (1860-1948) (stories)
- See en.wikipedia.org/wiki/D%27Arcy_Wentworth_Thompson
- Thompson, Dorothy Brown (1896-1994) (stories)
- See shs.umsystem.edu/kansascity/manuscripts/k0695.pdf
- Thompson, Douglas (1967- ) (stories) (assoc.)
- See douglasthompson.wordpress.com
- Thompson, [Sir] E(dward) Maunde (1840-1929) (stories)
- See en.wikipedia.org/wiki/Edward_Maunde_Thompson
- Thompson, E(dward) P(almer) (1924-1993) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/thompson_e_p
- Thompson, Edith Jessie (1893-1923) (stories) (assoc.)
- See en.wikipedia.org/wiki/Edith_Thompson_and_Frederick_Bywaters
- Thompson, Edward (1738?-1776) (stories)
- See en.wikipedia.org/wiki/Edward_Thompson_(Royal_Navy_officer)
- Thompson, [Sir] Edward Maunde (1840-1929) (stories)
- See en.wikipedia.org/wiki/Edward_Maunde_Thompson
- Thompson, Eldon (1974- ) (stories)
- See en.wikipedia.org/wiki/Eldon_Thompson
- Thompson, Elinor (née Smith) (fl. 1900s) (stories)
- daughter of author and schoolmaster Reginald Bosworth Smith; wife of Sir Harry Langhorne Thompson (1857-1902); later wife of Sir Edward Ion Beresford Grogan (1873-1927).
- Thompson, Elizabeth (Southerden, Lady Butler) (1846-1933) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Elizabeth_Thompson
- Thompson, Frederic (A.) (1884-1949) (stories)
- See en.wikipedia.org/wiki/Fred_Thompson_(writer)
- Thompson, (Lafayette) Fresco (1902-1968) (stories)
- See en.wikipedia.org/wiki/Fresco_Thompson
- Thompson, George C. (1919- ) (stories)
- Writer. Not to be confused with economist and financial expert George Clifford Thompson (1920- ). Born in Detroit, Michigan.
- Thompson, George Everet (1945- ) (stories)
- See georgeverethompson.com
- Thompson, Harold R(oss) (fl. 1990s-2010s) (stories)
- See haroldrossthompson.com
- Thompson, [Sir] Henry (1820-1904) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sir_Henry_Thompson,_1st_Baronet
- Thompson, James (1964-2014) (stories)
- See en.wikipedia.org/wiki/James_Thompson_(author)
- Thompson, Jason (1974- ) (art)
- See en.wikipedia.org/wiki/Jason_Thompson_(writer)
- Thompson, Jean (Louise) (1950- ) (stories)
- See www.jeanthompsononline.com/
- Thompson, John B. (fl. 1920s-1930s) (stories)
- Perhaps agricultural investigator John Bert Thompson (1878-?). Adventures expert on dogs. No additional information available, but died in the early 1940s.
- Thompson, Joyce (Marie) (1948- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/thompson_joyce
- Thompson, Lewis (1915?-1970) (stories)
- Public relations aide and mystery writer; died in New York City.
- Thompson, Maravene (H., née Kennedy) (1880-?) (stories)
- Born in Decatur, Ohio; death not traced: no sign of her after 1921, when she planned to go to South America; her husband remarried in 1926.
- Thompson, Mark J. (fl. 1990s-2000s) (stories) (assoc.)
- See www.ghostlands.demon.co.uk
- Thompson, (James Madison) Maurice (1844-1901) (stories)
- See en.wikipedia.org/wiki/Maurice_Thompson
- Thompson, Philip (1928-2007) (art)
- See www.theguardian.com/news/2007/may/24/guardianobituaries.artsobituaries
- Thompson, Ruth Plumly (1891-1976) (stories) (assoc.)
- Author of childrens books and continuations of Baums Oz series. Born in Philadelphia, Pennsylvania; died in Malvern, Pennsylvania (?).
- Thompson, Sam (1978- ) (stories)
- See samthompsonwriter.com
- Thompson, Sylvia [Mrs. Theodore Luling] (1902-1968) (stories)
- See en.wikipedia.org/wiki/Sylvia_Thompson
- Thompson, Tade (fl. 2000s-2010s) (stories) (assoc.)
- See tadethompson.wordpress.com
- Thompson, (Charles) Vance (1863-1925) (stories)
- See www.sf-encyclopedia.com/entry/thompson_vance
- Thompson, Victoria (E.) (1948- ) (stories)
- Living in Pennsylvania, where she is director of the local March of Dimes office and president of the board of directors of county family service.
- Thompson, Weston (fl. 2010s) (art)
- See westont17.deviantart.com
- Thompson, Will H(enry) (1848-1918) (stories)
- Lawyer and poet. Born in Calhoun, Georgia.
- Thompson, William (fl. 1750s) (stories)
- See en.wikipedia.org/wiki/William_Thompson_(poet)
- Thompson, William R. (1887?-?) (stories)
- Writer, traveller, not to be confused with Canadian entymologist William Robin Thompson (1877-1972) or ocultist William Robert Thompson (1862-1947). Born in Denver, Colorado.
- Thomson, Amy (1958- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/thomson_amy
- Thomson, Basil (Home) (1861-1939) (stories) (assoc.)
- Brother of Bernard Henry Home Thomson.
- Thomson, Bernard Henry Home (1874-1953) (stories)
- Born in Bishopsthorpe, Yorkshire; died Bridport, Dorset; brother of Basil (Home) Thomson.
- Thomson, C(harles) R(eginald) (1881-1965) (art)
- See pulpartists.com/Thomson.html
- Thomson, Charles Goff (1883-1937) (stories)
- See prabook.org/web/person-view.html?profileId=1085251
- Thomson, David (Robert Alexander) (1914-1988) (stories) (assoc.)
- See en.wikipedia.org/wiki/David_Thomson_(writer)
- Thomson, David (1941- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/thomson_david
- Thomson, David Landsborough (1901-1964) (stories)
- Born in Aberden, Scotland; educated in Aberdeen and Cambridge; professor of biochemistry and Dean of the Faculty of Graduate Studies and Research, McGill Unviersity; lived in Montreal.
- Thomson, Edward William (1849-1924) (stories)
- See en.wikipedia.org/wiki/Edward_William_Thomson_(writer)
- Thomson, [Sir] George Paget (1892-1975) (stories) (assoc.)
- See en.wikipedia.org/wiki/George_Paget_Thomson
- Thomson, [Sir] J(ohn) Arthur (1861-1933) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_Arthur_Thomson
- Thomson, James (1834-1882) (stories)
- See www.sf-encyclopedia.com/entry/thomson_james
- Thomson, Ralph M(ethven) (1875-?) (stories)
- Physician and poet. Born in Macon, Georgia; lived in Meldrim, Georgia.
- Thomson, William, 1st Baron Kelvin [Lord Kelvin] (1824-1907) (stories) (assoc.)
- See en.wikipedia.org/wiki/William_Thomson,_1st_Baron_Kelvin
- Thon, Melanie Rae (1957- ) (stories)
- See en.wikipedia.org/wiki/Melanie_Rae_Thon
- Thorburn, Archibald (1860-1935) (stories) (art)
- See en.wikipedia.org/wiki/Archibald_Thorburn
- Thoreau, Henry David (1817-1862) (stories) (assoc.)
- See en.wikipedia.org/wiki/Henry_David_Thoreau
- Thorn, Aidan (fl. 2010s) (stories)
- See aidanthornwriter.weebly.com
- Thorn, Mike (fl. 2010s) (stories)
- See mikethornwrites.com
- Thorn-Drury, Sylvia (fl. 1920s-1930s) (stories)
- Name also given as Silvia Thorn-Drury
- Thornbury, (George) Walter (1828-1876) (stories)
- See en.wikipedia.org/wiki/George_Walter_Thornbury
- Thorndike, (Arthur) Russell (1885-1972) (stories)
- Born in Kent, England, the younger brother of actress Dame Sybil Thorndike; an actor who toured extensively in Britain, the U.S., South Africa, India and the Far East, mostly in Shakespearean roles; then a novelist whose Dr. Syn was based on a legendary folk hero called The Scarecrow; died in London.
- Thorndike, (Agnes) Sybil (1882-1976) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sybil_Thorndike
- Thorne, (Eric) Anthony (1904-1974) (stories)
- Probably born Eric Anthony Murdoch in London, with surname change after his parents married; died in Berkshire.
- Thorne, Diana [born Ann Woursell] (1895-1963) (stories) (art)
- See www.dianathorne.com/
- Thorne, Geoffrey (fl. 2000s-2010s) (stories)
- See en.wikipedia.org/wiki/Geoffrey_Thorne
- Thorne, Guy; pseudonym of C. Ranger Gull (1876-1923) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/thorne_guy
- Thorne, Isabel; pseudonym of Mary Willoughby Harrison Quelch (1864-1950) (stories)
- See bearalley.blogspot.co.uk/2009/10/isabel-thorne.html
- Thorne, Jack (1978- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jack_Thorne_(writer)
- Thorne, Tony C. [i.e., Anthony C. Thorne] (1926- ) (stories)
- See www.tonythornembe.com
- Thornes, Nemone (fl. 2010s) (stories)
- See www.inktears.com/Inktears/ProfilesWriters/Entries/2011/4/29_Nemone_Thornes.html
- Thornes-Roberts, Marion Ellen [born Marion Ellen Douglas] (1893-1968) (stories)
- Born in Glasgow; educated in Edinburgh and Brussels; married John William Basil Thornes-Roberts in 1916; died in Brigton, Angus, Scotland.