- Tonks, Angela (Edith) (1913-2003) (items)
- See www.sf-encyclopedia.com/entry/tonks_angela
- Tono, Helen (1922-2011) (items)
- See www.tidewaternews.com/2011/02/22/helen-tono
- Tooker, Richard (Presley) (1902-1988) (items) (chron.)
- See tellersofweirdtales.blogspot.com/2022/12/richard-presley-tooker-1902-1988.html
- Toolis, Lorna (1952-2021) (items) (chron.)
- See locusmag.com/2021/08/lorna-toolis-1952-2021
- Toomajan, Jolie (fl. 2020s) (items) (chron.)
- See jolietoomajan.wordpress.com
- Toombs, Alfred (Gerald) (1912-1986) (items)
- See www.sf-encyclopedia.com/entry/toombs_alfred
- Toomey, Robert E(mmett), Jr. (1945- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/toomey_robert_e_jr
- Tormé, Tracy (1959-2024) (items)
- See en.wikipedia.org/wiki/Tracy_Tormé
- Torres, Angelo (1932- ) (items) (chron.)
- See en.wikipedia.org/wiki/Angelo_Torres
- Torvenius, Axel (fl. 2010s) (items) (chron.)
- See www.torvenius.com
- Törzs, Emma (1987- ) (items) (chron.)
- See www.emmaemmaemma.com
- Toth, Alex(ander) (1928-2006) (items) (chron.)
- See en.wikipedia.org/wiki/Alex_Toth
- Totheroh, (Webster) Dan(iel) (1894-1976) (items) (chron.)
- See en.wikipedia.org/wiki/Dan_Totheroh
- Totton, Sarah (fl. 2000s-2020s) (items) (chron.)
- See www.sarahtotton.com
- Toufexis, Billy (fl. 2010s) (items) (chron.)
- See arthog.carbonmade.com
- Tourneur, Jacques (1904-1977) (items)
- See en.wikipedia.org/wiki/Jacques_Tourneur
- Tovansakura (fl. 2020s) (items) (chron.)
- See www.deviantart.com/tovansakura
- Tower, Nathaniel (fl. 2010s) (items) (chron.)
- See nathanieltower.com
- Towers, Ivar (fl. 1940s); house pseudonym used by C. M. Kornbluth (1923-1958) & Richard Wilson (1920-1987) (items) (chron.)
- See www.sf-encyclopedia.com/entry/towers_ivar
- Towle, George M(akepeace) (1841-1893) (items)
- See en.wikipedia.org/wiki/George_Makepeace_Towle
- Townsend, John S(tephen) (1957- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/townsend_john
- Townsend, Kari Lee (fl. 2000s-2010s) (items) (chron.)
- See www.karileetownsend.com
- Townsend, Leonard (1899-1986) (items) (chron.)
- See bearalley.blogspot.co.uk/2014/09/walter-leonard-townsend.html
- Townsend, S. Evan (fl. 2010s) (items) (chron.)
- See www.sevantownsend.com
- Townsend, Sara Jayne (1969- ) (items) (chron.)
- See sarajaynetownsend.weebly.com
- Townsend, Walter (1901-1972) (items) (chron.)
- See bearalley.blogspot.co.uk/2014/09/walter-leonard-townsend.html
- Towse, Mark (fl. 2010s-2020s) (items) (chron.)
- See marktowsedarkfiction.wordpress.com
- Toy, Camden (1957-2023) (items)
- See en.wikipedia.org/wiki/Camden_Toy
- Tozer, Basil (John Joseph) (1868-1949) (items) (chron.)
- See en.wikipedia.org/wiki/Basil_Tozer
- Trahan, Roberta (fl. 2010s) (items) (chron.)
- See www.robertatrahan.com
- Train, Arthur (Cheney) (1875-1945) (items)
- See en.wikipedia.org/wiki/Arthur_Cheney_Train
- Tramdack, Nick (1985- ) (items) (chron.)
- See spectechnique.com/bio
- Tranchell, T. J. (fl. 2010s-2020s) (items) (chron.)
- See www.warning-signs.net
- Travers, Pierre-Etienne (c1986- ) (items) (chron.)
- See pethings.blogspot.co.uk
- Travieso-Diaz, Matias F. (fl. 2020s) (items) (chron.)
- See www.matiastraviesodiaz.com
- Travis, Julie (fl. 1990s-2020s) (items) (chron.)
- See julietravis.wordpress.com
- Traviss, Karen (fl. 2000s-2010s) (items) (chron.)
- See www.sf-encyclopedia.com/entry/traviss_karen
- Travolta, John (1954- ) (items)
- See en.wikipedia.org/wiki/John_Travolta
- Treadway, R(ebecca) L. (fl. 2010s) (items) (chron.)
- See atrtinkcovers.com
- Treadway, Rebecca L. (fl. 2020s); used pseudonym atrtink (items) (chron.)
- See atrtink.com
- Treadwell, Amy (B.) (fl. 2000s-2010s) (items) (chron.)
- See www.beneath-ceaseless-skies.com/authors/a-b-treadwell/
- Treat, Jessica (fl. 1990s-2000s) (items) (chron.)
- See www.goodreads.com/author/show/545173.Jessica_Treat
- Treat, Lawrence (1903-1998); previously known as Lawrence Arthur Goldstone (items) (chron.)
- See en.wikipedia.org/wiki/Lawrence_Treat
- Trebs, Geoff (fl. 2000s-2010s) (items) (chron.)
- See dinmoney.deviantart.com
- Treby, Ivor C. F. (1933-2012) (items) (chron.)
- See www.bodley.ox.ac.uk/dept/scwmss/wmss/online/modern/treby/treby.html
- Tredowski, Adam (fl. 2000s-2010s) (items) (chron.)
- See tredowskiart.blogspot.co.uk
- Trefon, Henry; probably a pseudonym of Henrietta Prouty (1895-1962) (items) (chron.)
- See tellersofweirdtales.blogspot.com/2023/08/the-cauldron-true-adventures-of-terror.html
- Tregillis, Ian (1973- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/tregillis_ian
- Treglown, Jeremy (1946- ) (items)
- See en.wikipedia.org/wiki/Jeremy_Treglown
- Treiber, Margret (fl. 2010s) (items) (chron.)
- See en.wikipedia.org/wiki/Margret_A._Treiber
- Treibich, S(teven) J(ohn) (1936-1972) (items) (chron.)
- See www.sf-encyclopedia.com/entry/treibich_s_j
- Tremaine, F(rederick) Orlin (1899-1956) (items) (chron.)
- See www.sf-encyclopedia.com/entry/tremaine_f_orlin
- Tremblay, Paul G(aetan) (1971- ) (items) (chron.)
- See en.wikipedia.org/wiki/Paul_G._Tremblay
- Tremblay, Vanessa B. (fl. 2020s); used pseudonym d’Ores (items) (chron.)
- See www.doresetdeja.fr
- Trenery, (Gladys) Gordon (1885-1938) (items) (chron.)
- See tellersofweirdtales.blogspot.co.uk/2016/05/gg-pendarves-1885-1938.html
- Trenholme, Wynne M(atheson) (1914-2018) (items) (chron.)
- See blog.joemoreno.com/2008/10/personal-hero-wynne-m-threnholme.html
- Trent, Brian (fl. 2000s-2020s) (items) (chron.)
- See www.briantrent.com
- Trevallion, Tiernen (fl. 2000s) (items) (chron.)
- See britishcomics.fandom.com/wiki/Tiernen_Trevallion
- Trevena, Angeline (fl. 2010s) (items) (chron.)
- See angelinetrevena.co.uk
- Trevor, Elleston (1920-1995); previously known as Trevor Dudley Smith (items) (chron.)
- See en.wikipedia.org/wiki/Elleston_Trevor
- Triana, Gaby (fl. 2020s) (items) (chron.)
- See www.gabytriana.com
- Triana, Kristopher (1977- ) (items) (chron.)
- See kristophertriana.com
- Triem, Paul Ellsworth (1882-1976) (items) (chron.)
- See tellersofweirdtales.blogspot.com/2011/05/paul-ellsworth-triem-1882-1976.html
- Triffitt, Iain (fl. 2000s) (items) (chron.)
- See www.austlit.edu.au/austlit/page/A34032
- Trimble, John (Griffin) (1936-2024) (items) (chron.)
- See fancyclopedia.org/John_Trimble
- Trimble, Louis (Preston) (1917-1988) (items) (chron.)
- See www.sf-encyclopedia.com/entry/trimble_louis
- Trimboli, Wendy (fl. 2010s) (items)
- See www.thispeculiar.com