- Thomson, [Sir] George Paget (1892-1975) (stories) (assoc.)
- See en.wikipedia.org/wiki/George_Paget_Thomson
- Thorn, Mike (fl. 2010s) (stories)
- See mikethornwrites.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, 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
- Thorpe, Gav(in) (fl. 1990s-2010s) (stories)
- See mechanicalhamster.wordpress.com
- Thorsson, Johann (fl. 2010s) (stories)
- See jthorsson.wordpress.com
- Thouless, Robert H(enry) (1894-1984) (stories) (assoc.)
- See en.wikipedia.org/wiki/Robert_H._Thouless
- Throop, Kelvin; house pseudonym (fl. 1960s-1980s) (stories) (assoc.)
- See en.wikipedia.org/wiki/Kelvin_R._Throop
- Thurber, James (Grover) (1894-1961) (stories)
- See en.wikipedia.org/wiki/James_Thurber
- Thurston, Robert (Donald) (1936- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/thurston_robert
- Tidbeck, Karin (Margarita) (1977- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Karin_Tidbeck
- Tidhar, Lavie (1976- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/tidhar_lavie
- Tidwell, Erin A. (fl. 2000s) (stories)
- See www.beneath-ceaseless-skies.com/authors/erin-a-tidwell/
- Tiffany, John ({c}1971- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_Tiffany
- Tiger, Dana (Irene) (1961- ) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Dana_Tiger
- Tikulin, Tihomir ({c}1971- ) (art)
- See ticulin.blogspot.co.uk
- Tikulin, Tomislav ({c}1974- ) (stories) (art) (assoc.)
- See www.tomtikulin-art.com
- Tilahun, Naamen Gobert (fl. 2000s-2010s) (stories) (assoc.)
- See naamenblog.wordpress.com
- Tilburne, A(lbert) R(oanoke) (1885-1965) (stories) (art)
- See pulpartists.com/Tilburne.html
- Tilley, Patrick (1928- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/tilley_patrick
- Timkin, Vitaly (fl. 2010s) (stories) (art) (assoc.)
- See vagrantdick.deviantart.com
- Timlett, Peter Valentine (1933- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/timlett_peter_valentine
- Timmins, William F(rederick) (1915-1985) (art)
- See pulpartists.com/Timmins.html
- Timpf, Lisa (fl. 2000s-2010s) (stories)
- See lisatimpf.blogspot.co.uk
- Tingle, Trevor (fl. 2010s) (stories)
- See trevortingle.wordpress.com
- Tinkelman, Murray (1933-2016) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Murray_Tinkelman
- Tinker, Stu (fl. 1970s-2010s) (stories) (assoc.)
- See sk-tours.com/about-us
- Tinney, Tom (fl. 2010s) (stories)
- See www.tomtinney.com
- Tinsley, Frank [i.e., Francis Xavier Theban Tinsley] (1899-1965) (stories) (art)
- See pulpartists.com/Tinsley.html
- Tiptree, James, Jr.; pseudonym of Alice Sheldon (1915-1987) (stories) (art) (assoc.)
- See www.sf-encyclopedia.com/entry/tiptree_james_jr
- Tisbert, Andrew (fl. 2000s-2010s) (stories)
- See andrewtisbert.com
- Titus, Lori (fl. 2000s-2010s) (stories)
- See loribeth215.wordpress.com
- Toase, Steve (fl. 2010s) (stories)
- See www.stevetoase.co.uk
- Tobias, Harris (fl. 2010s) (stories)
- See harristobias-fiction.blogspot.co.uk
- Tobin, Daniel (fl. 2000s-2010s) (stories)
- See www.danieltobin.org
- Tobler, E(lise) Catherine (fl. 2000s-2010s) (stories) (assoc.)
- See ecatherine.com
- Todd, Lawrence S. (1948- ) (stories) (art)
- See en.wikipedia.org/wiki/Larry_Todd
- Todd, Ruthven (Campbell) (1914-1978) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/todd_ruthven
- Toffler, Alvin (1928-2016) (stories) (assoc.)
- See en.wikipedia.org/wiki/Alvin_Toffler
- Tofte, Arthur R. (1902-1980) (stories)
- See www.sf-encyclopedia.com/entry/tofte_arthur_r
- Toh, Ray (fl. 2000s) (art)
- See www.raytoh.com
- Toh, Valerie Y. L. (fl. 2000s-2010s) (stories)
- See www.austlit.edu.au/austlit/page/A71220
- Toksvig, Signe (K.) (1891-1983) (stories)
- See en.wikipedia.org/wiki/Signe_Toksvig
- Toland, John (Willard) (1912-2004) (stories)
- See en.wikipedia.org/wiki/John_Toland_(historian)
- Tolbert, Jeremiah (fl. 2000s-2010s) (stories)
- See www.jeremiahtolbert.com
- Tolbert, Matthew (fl. 2000s-2010s) (stories)
- See www.mtolbert.com
- Tolkien, J(ohn) R(onald) R(euel) (1892-1973) (stories) (assoc.)
- See en.wikipedia.org/wiki/J._R._R._Tolkien
- Tolmie, Sarah (fl. 2010s) (stories) (assoc.)
- See sarahtolmie.ca
- Tolnay, Tom [i.e., Thomas G. Tolnay] (1938- ) (stories)
- Short story writer living in New York.
- Tolstoi, Leo (Nikolayevich) (1828-1910) (stories)
- See en.wikipedia.org/wiki/Leo_Tolstoy
- Tom, Laurie (fl. 2000s-2010s) (stories)
- See laurietom.blogspot.co.uk
- Tomaras, Joseph (fl. 2010s) (stories) (assoc.)
- See skinseller.blogspot.co.uk
- Tomasevic, Sally (fl. 1990s-2000s) (stories)
- See sallytomasevic.com
- Tomasko, Jeanie (fl. 2010s) (stories)
- See www.wiswriters.org/2013tomasko.htm
- Tomicka, Ania (1985- ) (stories) (art) (assoc.)
- See www.aniatomicka.com
- Tomson, Graham R.; pseudonym of Rosamund Marriott Watson (1860-1911) (stories)
- See www.bartleby.com/293/409.html
- Tong, Kevin (fl. 2010s) (art)
- See www.tragicsunshine.com
- Tonge, Gary ({c}1970- ) (stories) (art) (assoc.)
- See www.visionafar.com
- Tonks, Angela (Edith) (1913-2003) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/tonks_angela
- Tooker, Richard (Presley) (1902-1988) (stories)
- See www.sf-encyclopedia.com/entry/tooker_richard
- Toombs, Alfred (Gerald) (1912-1986) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/toombs_alfred
- Toomey, Robert E., Jr. (1945- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/toomey_robert_e_jr
- Torres, Angelo (1932- ) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Angelo_Torres
- Torvenius, Axel (fl. 2010s) (art)
- See www.torvenius.com
- Törzs, Emma (fl. 2010s) (stories)
- See www.emmaemmaemma.com
- Totton, Sarah (fl. 2000s-2010s) (stories)
- See www.sarahtotton.com
- Toufexis, Billy (fl. 2010s) (stories) (art) (assoc.)
- See arthog.carbonmade.com
- Tower, Nathaniel (fl. 2010s) (stories)
- See nathanieltower.com
- Towers, Ivar; house pseudonym (stories)
- See www.sf-encyclopedia.com/entry/towers_ivar
- Townsend, John S(tephen) (1957- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/townsend_john
- Townsend, Kari Lee (fl. 2000s-2010s) (stories)
- See www.karileetownsend.com
- Townsend, S. Evan (fl. 2010s) (stories)
- See www.sevantownsend.com
- Townsend, Sara Jayne (1969- ) (stories) (assoc.)
- See sarajaynetownsend.weebly.com
- Toy, Camden (1957- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Camden_Toy
- Trahan, Roberta (fl. 2010s) (stories)
- See www.robertatrahan.com
- Train, Arthur (Cheney) (1875-1945) (stories) (assoc.)
- See en.wikipedia.org/wiki/Arthur_Cheney_Train
- Tramdack, Nick (1985- ) (stories)
- See spectechnique.com/bio
- Tranchell, T. J. (fl. 2010s) (stories)
- See www.warning-signs.net
- Travers, Pierre-Etienne ({c}1986- ) (stories) (art) (assoc.)
- See pethings.blogspot.co.uk
- Travis, Julie (fl. 1990s-2010s) (stories)
- See julietravis.wordpress.com
- Traviss, Karen (fl. 2000s-2010s) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/traviss_karen
- Travolta, John (1954- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_Travolta
- Treadway, R(ebecca) L. (fl. 2010s) (art)
- See atrtinkcovers.com
- Treadwell, Amy (B.) (fl. 2000s-2010s) (stories)
- See www.beneath-ceaseless-skies.com/authors/a-b-treadwell/
- Treat, Jessica (fl. 1990s) (stories)
- See www.goodreads.com/author/show/545173.Jessica_Treat
- Treat, Lawrence (1903-1998) (stories)
- Mystery writer, born Lawrence Arthur Goldstone; name change in 1940. Born in New York City; lived in Massachusetts.
- Trebs, Geoff (fl. 2000s-2010s) (art)
- See dinmoney.deviantart.com
- Treby, Ivor C. F. (1933-2012) (stories)
- See www.bodley.ox.ac.uk/dept/scwmss/wmss/online/modern/treby/treby.html
- Tredowski, Adam (fl. 2000s-2010s) (art)
- See tredowskiart.blogspot.co.uk
- Tregillis, Ian (1973- ) (stories)
- See www.sf-encyclopedia.com/entry/tregillis_ian
- Treiber, Margret (fl. 2010s) (stories)
- See en.wikipedia.org/wiki/Margret_A._Treiber
- Treibich, S(teven) J(ohn) (1936-1972) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/treibich_s_j
- Tremaine, F(rederick) Orlin (1899-1956) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/tremaine_f_orlin
- Tremblay, Paul G(aetan) (1971- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Paul_G._Tremblay
- Trenery, (Gladys) Gordon (1885-1938) (stories)
- See tellersofweirdtales.blogspot.co.uk/2016/05/gg-pendarves-1885-1938.html
- Trent, Brian (fl. 2000s-2010s) (stories)
- See www.briantrent.com
- Trevor, Elleston (1920-1995) (stories)
- See en.wikipedia.org/wiki/Elleston_Trevor
- Triana, Kristopher (1977- ) (stories)
- See kristophertriana.com
- Triem, Paul Ellsworth (1882-1976) (stories)
- Writer; under the pseudonym Paul Ellsworth wrote novels about mental power and mind-control; married to well-known poet Eve Triem. Born in Manchester, Iowa; died in Seattle, Washington.
- Triffitt, Iain (fl. 2000s) (stories)
- See www.austlit.edu.au/austlit/page/A34032
- Trimble, John (Griffin) (fl. 1940s-2010s) (stories)
- Husband of Bjo Trimble.