- Leckie, Ann (1966- ) (items) (chron.)
- See sf-encyclopedia.com/entry/leckie_ann
- Lecky, James (1965- ) (items) (chron.)
- See sites.google.com/site/jameslecky/home
- Lederer, Paul Joseph (1944-2016) (items)
- See www.findagrave.com/memorial/158070108/paul-joseph-lederer
- Lederer, Richard (1938- ) (items) (chron.)
- See en.wikipedia.org/wiki/Richard_Lederer
- Lederman, Leah (fl. 2010s) (items) (chron.)
- See leahlederman.wordpress.com/
- Lee, B. J. (fl. 2010s) (items) (chron.)
- See www.childrensauthorbjlee.com
- Lee, Christopher (Frank Carandini) (1922-2015) (items)
- See en.wikipedia.org/wiki/Christopher_Lee
- Lee, Edward (Seymour); pseudonym of Lee Edward Seymour (1957- ) (items) (chron.)
- See www.edwardleeonline.com
- Lee, Eileen Gunnell; pseudonym of Selena Middleton (fl. 2010s-2020s) (items) (chron.)
- See specfic.vaults.ca
- Lee, (Bert) Gentry (1942- ) (items)
- See www.sf-encyclopedia.com/entry/lee_gentry
- Lee, Isabel (fl. 2020s) (items) (chron.)
- See isabellee.me
- Lee, J. M. (fl. 2010s-2020s) (items) (chron.)
- See www.joeyverse.com
- Lee, Jessica (J.) (fl. 2000s-2020s) (items) (chron.)
- See www.postapocalypso.com
- Lee, Kai-Fu (1961- ) (items)
- See en.wikipedia.org/wiki/Kai-Fu_Lee
- Lee, Karalynn (fl. 2010s) (items) (chron.)
- See www.beneath-ceaseless-skies.com/authors/karalynn-lee/
- Lee, L. P. (fl. 2010s) (items) (chron.)
- See www.l-p-lee.com
- Lee, Lynn Hutchinson (fl. 2020s) (items) (chron.)
- See lynnhutchinsonlee.ca
- Lee, M(arshall) Lincoln (1921-2010) (items) (chron.)
- See pulpartists.com/Lee.html
- Lee, Michele (fl. 2000s-2010s) (items) (chron.)
- See michelelee.net
- Lee, Mike (1962- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lee_mike
- Lee, Rand B. (1951- ) (items) (chron.)
- See curiosityquills.com/authors/rand-lee
- Lee, Robert N. (fl. 1990s-2010s) (items) (chron.)
- See www.shimmerzine.com/authors/author-page-robert-n-lee
- Lee, Sharon (1952- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lee_sharon
- Lee, Soo (fl. 2020s) (items) (chron.)
- See www.sooleedraws.com
- Lee, Stan; [born Stanley Martin Leiber] (1922-2018) (items) (chron.)
- See en.wikipedia.org/wiki/Stan_Lee
- Lee, Stanley R. (1928-1997) (items) (chron.)
- See en.wikipedia.org/wiki/Stanley_R._Lee
- Lee, Tanith; [i.e., Tanith Lee Kaiine] (1947-2015) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lee_tanith
- Lee, Thomas D. (fl. 2020s) (items)
- See thomasdleewriter.wordpress.com
- Lee, Thorne; pseudonym of Thornton T. Shively (1913-1980) (items) (chron.)
- See pulpflakes.blogspot.com/2018/06/thornton-t-shively-newspaper-article.html
- Lee, Thorne; pseudonym of Laurence J. Buman (1922-2002) (items) (chron.)
- See www.legacy.com/obituaries/name/laurence-buman-obituary?pid=644453
- Lee, Tony (1970- ) (items) (chron.)
- See en.wikipedia.org/wiki/Tony_Lee
- Lee, Walt(er William, Jr.) (1931-2014) (items)
- See www.sf-encyclopedia.com/entry/lee_walt
- Lee, Yoon Ha (1979- ) (items) (chron.)
- See www.yoonhalee.com
- Leeb, Giselle (fl. 2000s-2020s) (items) (chron.)
- See giselleleeb.com
- Leeder, Murray J. D. (fl. 2000s-2010s) (items) (chron.)
- See www.o-love.net/realms/auth_lee.html
- Leement, Kuldar (1987- ) (items) (chron.)
- See kuldarleement.deviantart.com
- Leen, Gerri (fl. 2000s-2020s) (items) (chron.)
- See www.gerrileen.com
- Leeper, Evelyn C. (1950- ) (items) (chron.)
- See fancyclopedia.org/evelyn-leeper
- Lees, Tim (fl. 1990s-2020s) (items) (chron.)
- See www.timlees.wordpress.com
- Le Fanu, J(oseph Thomas) Sheridan (1814-1873) (items) (chron.)
- See en.wikipedia.org/wiki/Sheridan_Le_Fanu
- LeFanu, Sarah (1953- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lefanu_sarah
- Lefebvre, Mark Leslie (fl. 1990s-2020s) (items) (chron.)
- See www.markleslie.ca
- Leffingwell, Albert (Fear) (1895-1946) (items)
- Born in Cambridge, Massachusetts; owner of an advertising agency.
- Léger, Emilie (fl. 2010s) (items)
- See emilieleger.ca
- Leggett, Elizabeth (Jordan) (fl. 2010s-2020s) (items) (chron.)
- See www.archwayportico.com/author/elizabeth
- Leggett, Lindsay (fl. 2010s); used pseudonym L. A. More (items) (chron.)
- See www.goodreads.com/author/show/6904930.Lindsay_Leggett
- Le Gros Clark, [Sir] Wilfrid Edward (1895-1971) (items)
- See en.wikipedia.org/wiki/Wilfrid_Le_Gros_Clark
- Le Guin, Ursula K(roeber) (1929-2018) (items) (chron.)
- See en.wikipedia.org/wiki/Ursula_K._Le_Guin
- Lehman, David (1948- ) (items) (chron.)
- See en.wikipedia.org/wiki/David_Lehman
- Lehn, Fiona (fl. 2000s-2010s) (items) (chron.)
- See www.aqueductpress.com/authors/FionaLehn.php
- Leialoha, Steve (1952- ) (items) (chron.)
- See en.wikipedia.org/wiki/Steve_Leialoha
- Leiber, Fritz (Reuter, Jr.) (1910-1992) (items) (chron.)
- See www.sf-encyclopedia.com/entry/leiber_fritz
- Leiber, Jonquil; [née Stephens] (1907-1969); previously known as Jonquil Stephens (items) (chron.)
- See fancyclopedia.org/Jonquil_Leiber
- Leiber, Justin (Fritz) (1938-2016) (items) (chron.)
- See www.sf-encyclopedia.com/entry/leiber_justin
- Leibowitz, Sandi (fl. 2010s-2020s) (items) (chron.)
- See www.sandileibowitz.com
- Leider, R(ichard) Allen (Charles) (1944-2020) (items) (chron.)
- See www.imdb.com/name/nm0500111
- Leigh, Stephen (Walter) (1951- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/leigh_stephen
- Leins, Tom (fl. 2010s-2020s) (items) (chron.)
- See thingstodoindevonwhenyouredead.wordpress.com
- Leinster, Murray; pseudonym of Will F. Jenkins (1896-1975) (items) (chron.)
- See www.sf-encyclopedia.com/entry/leinster_murray
- Leipiar, Louise (Margurite) (1899-1969) (items) (chron.)
- See rockysmith.net/2014/07/15/somebody-answer-the-door/
- Leis, Aaron (fl. 2000s) (items) (chron.)
- See aaronleis.com
- Leisk, David J(ohnson) (1906-1975) (items)
- See en.wikipedia.org/wiki/Crockett_Johnson
- Leitfred, Robert H(enry) (1891-1968) (items) (chron.)
- See pulpflakes.blogspot.co.uk/2017/07/robert-h-leitfred-author.html
- Leivaditis, Tasos (1922-1988) (items) (chron.)
- See en.wikipedia.org/wiki/Tasos_Leivaditis
- Lelièvre, Benoît (c1983- ) (items) (chron.)
- See www.deadendfollies.com
- Lem, Stanisław (1921-2006) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lem_stanislaw
- Leman, Bob; [i.e., Robert J. Leman] (1922-2006) (items) (chron.)
- See desturmobed.blogspot.co.uk/2018/04/bob-leman.html