- Lefton, Abe (1882-1958) (stories)
- See www.imdb.com/name/nm0499108
- Leftwich, Joseph [born born Joseph Lefkowitz] (1892-1983) (stories)
- See en.wikipedia.org/wiki/Joseph_Leftwich
- Leger, Alexis (1887-1975) (stories)
- See en.wikipedia.org/wiki/Saint-John_Perse
- Legge, [Sir] Thomas (Morison) (1863-1932) (stories)
- See en.wikipedia.org/wiki/Thomas_Morison_Legge
- Leggett, Elizabeth (Jordan) (fl. 2010s) (stories) (art) (assoc.)
- See www.archwayportico.com/author/elizabeth
- Leggett, H(arry) W(illiam) (1888-1957) (stories)
- Born in St. Saviour, England; died in London; editor of various publications, including Grand Magazine and Ironmongers Weekly.
- Leggett, William (1801-1839) (stories)
- Born in New York City.
- Lehane, Con (fl. 2000s-2010s) (stories) (assoc.)
- See conlehane.com
- Lehmann, [Captain] Ernst A(ugust) (1886-1937) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ernst_A._Lehmann
- Lehmann, R(udolf) C(hambers) (1856-1929) (stories)
- See en.wikipedia.org/wiki/R._C._Lehmann
- Lehmann, Rosamond (Nina) (1901-1990) (stories) (assoc.)
- See www.theparisreview.org/interviews/2894/rosamond-lehmann-the-art-of-fiction-no-88-rosamond-lehmann
- Lehn, Fiona (fl. 2000s-2010s) (stories)
- See www.aqueductpress.com/authors/FionaLehn.php
- Lehr, Lew (1895-1950) (stories) (assoc.)
- See en.wikipedia.org/wiki/Lew_Lehr
- Lehrer, Tom (1928- ) (stories)
- See en.wikipedia.org/wiki/Tom_Lehrer
- Lehrman, Nat (1929-2014) (stories)
- See articles.chicagotribune.com/2014-02-16/news/ct-nat-lehrman-obituary-met-20140216_1_playboy-forum-magazine-playboy-enterprises
- Leialoha, Steve (1952- ) (art)
- See en.wikipedia.org/wiki/Steve_Leialoha
- Leiber, Fritz (Reuter, Jr.) (1910-1992) (stories) (art) (assoc.)
- See www.sf-encyclopedia.com/entry/leiber_fritz
- Leiber, Justin (Fritz) (1938-2016) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/leiber_justin
- Leibowitz, Sandi (fl. 2010s) (stories)
- See www.sandileibowitz.com/page2.html
- Leidiger, Lynda (Jean) (1952- ) (stories)
- See prabook.com/web/lynda_jean.leidiger/206503
- Leigh, Conrad H(eighton) (1883-?) (art)
- See en.wikipedia.org/wiki/Conrad_Heighton_Leigh
- Leigh, Mary Cordelia (Emily) (1866-1956) (stories)
- See www.leamingtonhistory.co.uk/cordelia-leigh/
- Leigh, Stephen (Walter) (1951- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/leigh_stephen
- Leigh, Vivien [born Vivian Mary Hartley] (1913-1967) (stories) (assoc.)
- See en.wikipedia.org/wiki/Vivien_Leigh
- Leigh, William R(obinson) (1866-1955) (stories) (art)
- See en.wikipedia.org/wiki/William_Robinson_Leigh
- Leighton, Angela (1954- ) (stories)
- See en.wikipedia.org/wiki/Angela_Leighton
- Leighton, [Sir] Frederic, 1st Baron Leighton (1830-1896) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Frederic_Leighton
- Leighton, Isabel (1900-1995) (stories)
- See www.nytimes.com/1995/04/27/obituaries/isabel-leighton-95-actress-and-writer.html
- Leighton, Jane (fl. 1890s) (stories)
- Wife of Robert Leighton.
- Leighton, Marie (Flora Barbara) Connor (1865?-1941) (stories)
- See bearalley.blogspot.co.uk/2010/02/marie-connor-leighton.html
- Leighton, Robert (1859-1933) (stories)
- Born in Ayr and educated in Liverpool; an editor and novelist.
- Leininger, Robert (1946- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/leininger_robert
- Leins, Tom (fl. 2010s) (stories)
- See thingstodoindevonwhenyouredead.wordpress.com
- Leinster, Colin (1939- ) (stories)
- Editor of Corporate Board Member magazine.
- Leinster, Murray; pseudonym of Will F. Jenkins (1896-1975) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/leinster_murray
- Leipiar, Louise (Margurite) (1899-1969) (stories)
- See rockysmith.net/2014/07/15/somebody-answer-the-door/
- Leis, Aaron (fl. 2000s) (stories)
- See aaronleis.com
- Leisk, David J(ohnson) (1906-1975) (stories)
- See en.wikipedia.org/wiki/Crockett_Johnson
- Leite, George (Thurston) (1920-1985) (stories)
- See en.wikipedia.org/wiki/George_Leite
- Leitfred, Robert H(enry) (1891-1968) (stories)
- See pulpflakes.blogspot.co.uk/2017/07/robert-h-leitfred-author.html
- Leithauser, Brad (1953- ) (stories)
- See www.sf-encyclopedia.com/entry/leithauser_brad
- Leiva, Laura (fl. 2010s) (stories) (art) (assoc.)
- See www.deviantart.com/lauraypablo
- Leland, J. P. (fl. 1920s) (stories)
- Actor and writer. From the southern United States.
- Lelièvre, Benoît ({c}1983- ) (stories) (assoc.)
- See www.deadendfollies.com
- Leloir, M(aurice) (1853-1940) (art)
- See www.askart.com/artist/Maurice_Leloir/11048268/Maurice_Leloir.aspx
- Lem, Stanisław (1921-2006) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lem_stanislaw
- Lemaître, (François Elie) Jules (1853-1914) (stories)
- See en.wikipedia.org/wiki/Jules_Lema%C3%AEtre
- Leman, Bob [i.e., Robert J. Leman] (1922-2006) (stories) (assoc.)
- See desturmobed.blogspot.co.uk/2018/04/bob-leman.html
- Lemarr, Hedy [born Hedwig Eva Maria Kiesler] (1914-2000) (stories) (assoc.)
- See en.wikipedia.org/wiki/Hedy_Lamarr
- LeMay, Alan (Brown) (1899-1964) (stories)
- Novelist, popular for his westerns. Born in Indianapolis, Indiana; lived in Santee, California; died in Hollywood, California.
- Lemberg, Rose (fl. 2000s-2010s) (stories) (assoc.)
- See www.roselemberg.net
- Lemercier de Neuville, Louis [born Louis Lemercier] (1830-1918) (stories)
- See fr.wikipedia.org/wiki/Louis_Lemercier_de_Neuville
- Lemmon, Jack [i.e., John Uhler Lemmon, III] (1925-2001) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jack_Lemmon
- LeMoal, Daniel (fl. 2000s-2010s) (stories) (assoc.)
- See daniellemoal.blogspot.co.uk
- Lemon, Mark (1809-1870) (stories)
- Born in London; dramatist and editor; did not become a novelist until age 54; editor of various magazines such as Field, Illustrated London News, and London Journal; founder and first editor (for 29 years) of Punch.
- Lemon, Richard (C.) (1930-2012) (stories)
- See www.record-review.com/Record-Review_Archives_2012/Record-Review_070612_Lemon.html
- Lemonnier, (Antoine Louis) Camille (1844-1913) (stories)
- See en.wikipedia.org/wiki/Camille_Lemonnier
- Lenbach, Franz (von) (1836-1904) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Franz_von_Lenbach
- Lenehan, J(ohn) C(hristopher) (1890-1943) (stories)
- Born in Longford; educated in Dublin; a schoolmaster.
- Lenéru, Marie (1875-1918) (stories) (assoc.)
- See www.wiki-brest.net/index.php/Marie_Len%C3%A9ru
- Lengel, William C(harles) ({c}1880-1965) (stories)
- Born in Durango, Colorado; died in NYC.
- LEngle, Madeleine; pseudonym of Madeleine LEngle Franklin (1918-2007) (stories) (assoc.)
- See en.wikipedia.org/wiki/Madeleine_L%27Engle
- Lenglen, Suzanne (Rachel Flore) (1899-1938) (stories) (assoc.)
- See en.wikipedia.org/wiki/Suzanne_Lenglen
- Lengyel, Cornel (Adam) (1915-2003) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lengyel_cornel
- Lennon, J(ohn) Robert (1970- ) (stories)
- See www.sf-encyclopedia.com/entry/lennon_j_robert
- Leno, Dan [i.e., George Wild Galvin] (1860-1904) (stories) (assoc.)
- See en.wikipedia.org/wiki/Dan_Leno
- Lenotre, G.; pseudonym of Louis Leon Theodore Gosselin (1855-1935) (stories)
- See en.wikipedia.org/wiki/Théodore_Gosselin
- Leo XIII [born Vincenzo Gioacchino Raffaele Luigi Pecci] (1810-1903) (stories) (assoc.)
- See en.wikipedia.org/wiki/Pope_Leo_XIII
- Leon, Donna (M.) (1942- ) (stories) (assoc.)
- Teaches English at U.S. Air Force base near Venice.
- León, Ricardo [i.e., Ricardo Francisco León Román Jaramago Guraya] (1877-1942) (stories) (assoc.)
- See es.wikipedia.org/wiki/Ricardo_Le%C3%B3n_y_Rom%C3%A1n
- Leonard, [Elisabeth] Anne (fl. 1990s-2010s) (stories)
- See anneleonardbooks.com
- Leonard, (Leola) Baird (1888-1941) (stories)
- See asteria.fivecolleges.edu/findaids/sophiasmith/mnsss99_bioghist.html
- Leonard, Jonathan Norton (1903-1975) (stories) (assoc.)
- See prabook.com/web/jonathan_norton.leonard/1079204
- Leonard, Orville (Henry) (1868-1924) (stories)
- Poet and newspaperman. Died in New Canaan, Connecticut.
- Leonard, Paul; pseudonym of P. J. L. Hinder (1961- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/leonard_paul
- Leonowens, A(nna) H(arriette) (1834-1914) (stories)
- See womenineuropeanhistory.org/index.php?title=Anna_Leonowens
- Leopold, Brian (fl. 2010s) (stories)
- See www.brianleopold.com/about.html
- Léourier, Christian (1948- ) (stories) (assoc.)
- See fr.wikipedia.org/wiki/Christian_L%C3%A9ourier
- Lepson, Ruth (fl. 1970s-1990s) (stories)
- See ruthlepson.com
- Lepucki, Edan (1981- ) (stories) (assoc.)
- See www.edanlepucki.com
- Lerdall-Fitterer, Terry (Lynn) (1952-2019) (stories)
- See allpoetry.com/Terry_Fitterer
- Lerman, Eleanor (1952- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Eleanor_Lerman
- Lermina, Jules (Hyppolyte) (1839-1915) (stories)
- See www.sf-encyclopedia.com/entry/lermina_jules
- Lerner, Ben(jamin S.) (1979- ) (stories)
- See en.wikipedia.org/wiki/Ben_Lerner
- Lerner, Edward M. (1949- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lerner_edward_m
- Lerner, Eric J. (1947- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Eric_Lerner
- Leroux, Gaston (1868-1927) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/leroux_gaston
- Leroy, Amélie Claire (1851-1934) (stories)
- See en.wikipedia.org/wiki/Am%C3%A9lie_Claire_Leroy
- LeRoy, Ben(jamin M.) (fl. 2000s-2010s) (stories) (assoc.)
- See benjaminleroy.com
- LeRoy, Mervyn (1900-1987) (stories)
- See en.wikipedia.org/wiki/Mervyn_LeRoy
- LeShan, Lawrence (1920- ) (stories)
- See en.wikipedia.org/wiki/Lawrence_LeShan
- Lesher, Joanna (fl. 2010s) (stories)
- See joannalesher.com
- Leskov, Nikolai (Semyonovich) (1831-1895) (stories)
- See en.wikipedia.org/wiki/Nikolai_Leskov
- Leslie, Anita (Theodosia Moira) (1914-1985) (stories)
- See en.wikipedia.org/wiki/Anita_Leslie
- Leslie, David Stuart (1921-1999) (stories)
- Born in Croydon, England, grew up in Australia, returned to England to serve in the RAF during WWII; novelist, drama and English tutor; worked on the London stage; died in Surrey, England.
- Leslie, Desmond (Arthur Peter) (1921-2001) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/leslie_desmond
- Leslie, Jean [i.e., Jean Leslie Cornett] (1908-1994) (stories)
- Born in Omaha, raised in Santa Monica; teaching fellow in psychology.
- Leslie, Peter (Meyrick Johnston) (1922-{c}2007) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/leslie_peter
- Leslie, V. H. (fl. 2010s) (stories) (assoc.)
- See vhleslie.wordpress.com