- Kline, Otis Adelbert (1891-1946) (books) (stories)
- See www.sf-encyclopedia.com/entry/kline_otis_adelbert
- Kneale, (Thomas) Nigel (1922-2006) (books) (stories)
- See en.wikipedia.org/wiki/Nigel_Kneale
- Knight, Damon (Francis) (1922-2002) (books) (stories)
- See www.sf-encyclopedia.com/entry/knight_damon
- Knight, Norman L(ouis) (1895-1972) (books) (stories)
- See www.sf-encyclopedia.com/entry/knight_norman_l
- Knox, [Monsignor] Ronald A(rbuthnott) (1888-1957) (stories)
- Brother of Winifred Peck.
See also www.sf-encyclopedia.com/entry/knox_ronald_a
- Koch, Howard W. (1902-1995) (stories)
- See www.sf-encyclopedia.com/entry/koch_howard
- Koenig, Walter (1936- ) (stories)
- See www.sf-encyclopedia.com/entry/koenig_walter
- Koestler, Arthur (1905-1983) (stories)
- See www.sf-encyclopedia.com/entry/koestler_arthur
- Komatsu, Sakyo [i.e., Minoru Sakyo Komatsu] (1931-2011) (stories)
- See en.wikipedia.org/wiki/Sakyo_Komatsu
- Koontz, Dean R(ay) (1945- ) (books) (stories)
- See en.wikipedia.org/wiki/Dean_R._Koontz
- Kornbluth, C. M. [i.e., Cyril Kornbluth] (1923-1958) (books) (stories)
- See www.sf-encyclopedia.com/entry/kornbluth_c_m
- Kosinski, Jerzy (Nikodem) (1933-1991) (stories)
- See en.wikipedia.org/wiki/Jerzy_Kosi%C5%84ski
- Kotzwinkle, William E. (1938- ) (stories)
- See www.sf-encyclopedia.com/entry/kotzwinkle_william
- Krenkel, Roy G(erald, Jr.) (1918-1983)
- See pulpartists.com/Krenkel.html
- Krepps, Robert W(ilson) (1919-1980) (stories)
- Writer and editor. Born in Pittsburgh, Pennsylvania; died in Florida.
See also www.sf-encyclopedia.com/entry/krepps_robert_w
- Kress, Nancy (Anne, née Konigisor) (1948- ) (stories)
- See www.sf-encyclopedia.com/entry/kress_nancy
- Kube-McDowell, Michael P(aul) (1954- ) (stories)
- See www.sf-encyclopedia.com/entry/kube-mcdowell_michael_p
- Kubilius, Walter (1918-1993) (stories)
- See www.sf-encyclopedia.com/entry/kubilius_walter
- Kull, George F(rederick?) (1911-1963) (stories)
- Born in Buffalo, New York; died in Riverside, California.
- Kurland, Michael J(oseph) (1938- ) (books) (stories)
- See www.sf-encyclopedia.com/entry/kurland_michael
- Kurtz, Katherine (Irene) (1944- ) (stories)
- See www.sf-encyclopedia.com/entry/kurtz_katherine
- Kuttner, Henry (1915-1958) (books) (stories)
- See www.sf-encyclopedia.com/entry/kuttner_henry
- Kyle, David A(ckerman) (1919- ) (stories)
- See www.sf-encyclopedia.com/entry/kyle_david_a
- Lach-Szyrma, W(ladislaw) S(omerville) (1841-1915) (stories)
- See www.sf-encyclopedia.com/entry/lach-szyrma_w_s
- Lafferty, R(aphael) A(loysius) (1914-2002) (books) (stories)
- See www.sf-encyclopedia.com/entry/lafferty_r_a
- Laidlaw, Marc (1960- ) (stories)
- See www.sf-encyclopedia.com/entry/laidlaw_marc
- Lake, David J(ohn) (1929- ) (stories)
- See www.sf-encyclopedia.com/entry/lake_david_j
- Lamb, Harold A(lbert) (1892-1962) (stories)
- Writer, very popular for his scholarly historical adventures involving the Crusades, the Far East, and pre-modern Europe. He was fluent in Arabic and Chinese, and in 1929 he was awarded Guggenheim award; in 1932 he was given a medal for scientific research by the Persian government. Born in Alpine, New Jersey; lived in California; died in Rochester, Minnesota.
See also pulpflakes.blogspot.com/2012/05/harold-lamb-adventure-short-story.html; en.wikipedia.org/wiki/Harold_Lamb
- Lambe, Dean R(odney) (1943- ) (stories)
- See www.sf-encyclopedia.com/entry/lambe_dean_r
- Lampton, Chris(topher F.) (1950- ) (stories)
- See www.sf-encyclopedia.com/entry/lampton_chris
- Landolfi, Tommaso (1908-1979) (books) (stories)
- See www.sf-encyclopedia.com/entry/landolfi_tommaso
- Lang, Allen Kim (1928- ) (stories)
- See www.sf-encyclopedia.com/entry/lang_allen_kim
- Lang, Andrew (1844-1912) (stories)
- Brother of William Henry Lang.
See also www.sf-encyclopedia.com/entry/lang_andrew
- Lang, William Henry (1859-1923) (stories)
- Brother of Andrew Lang.
- Langelaan, George (1908-1969) (books) (stories)
- See www.sf-encyclopedia.com/entry/langelaan_george
- Langford, David (Rowland) (1953- ) (stories)
- See www.sf-encyclopedia.com/entry/langford_david
- Lanier, Sterling E(dmund) (1927-2007) (books) (stories)
- See www.sf-encyclopedia.com/entry/lanier_sterling_e
- Laski, Marghanita (1915-1988) (stories)
- See www.sf-encyclopedia.com/entry/laski_marghanita
- Lasswitz, Kurd (1848-1910) (stories)
- See www.sf-encyclopedia.com/entry/lasswitz_kurd
- Latham, Philip; pseudonym of Robert S. Richardson (1902-1981) (stories)
- See www.sf-encyclopedia.com/entry/latham_philip
- Lathrop, George Parsons (1851-1898) (stories)
- Born in Honolulu; newspaper and periodical editor and novelist.
- Laumer, (John) Keith (1925-1993) (books) (stories)
- See www.sf-encyclopedia.com/entry/laumer_keith
- Lawlor, Harold (1910-1992) (stories)
- See www.sf-encyclopedia.com/entry/lawlor_harold
- Lawrence, Judith Ann (1935?- ) (books) (stories)
- See www.sf-encyclopedia.com/entry/lawrence_j_a
- Le Guin, Ursula K(roeber) (1929- ) (books) (stories)
- See en.wikipedia.org/wiki/Ursula_K._Le_Guin
- Le Queux, William (Tufnell) (1864-1927) (stories)
- Prolific writer, journalist, perhaps at one time a spy; today remembered only for his early science fiction. Born in London, England; died in Knocke, Belgium.
See also en.wikipedia.org/wiki/William_Le_Queux
- Leacock, Stephen (Butler) (1869-1944) (books) (stories)
- See en.wikipedia.org/wiki/Stephen_Leacock
- Leahy, John Martin (1886-1967) (stories)
- See www.sf-encyclopedia.com/entry/leahy_john_martin
- Leblanc, Maurice (Marie Emile) (1864-1941) (stories)
- Noted French writer of mysteries and tales featuring thief-turned-detective Arsene Lupin. Born in Rouen, France; died in Perpignan, France.
See also en.wikipedia.org/wiki/Maurice_Leblanc
- Lee, Manfred B(ennington) (1905-1971) (stories)
- Cousin of Frederic Dannay; born in Brooklyn, New York; worked as copywriter, editor and author, famous for creating the fictional detective Ellery Queen. Died in Roxbury, Connecticut.
- Lee, Rand B. (fl. 1981-2014) (stories)
- See curiosityquills.com/authors/rand-lee
- Lee, Tanith [i.e., Tanith Lee Kaiine] (1947- ) (books) (stories)
- See www.sf-encyclopedia.com/entry/lee_tanith
- Leiber, Fritz (Reuter, Jr.) (1910-1992) (books) (stories)
- See www.sf-encyclopedia.com/entry/leiber_fritz
- Leigh, Stephen (Walter) (1951- ) (stories)
- See www.sf-encyclopedia.com/entry/leigh_stephen
- Leinster, Murray; pseudonym of Will F. Jenkins (1896-1975) (books) (stories)
- See www.sf-encyclopedia.com/entry/leinster_murray
- Leitfred, Robert H(enry) (1891-1968) (stories)
- Born in Syracuse, New York; died in Laguna Beach, California.
- Lem, Stanislaw (1921-2006) (books) (stories)
- See www.sf-encyclopedia.com/entry/lem_stanislaw
- Lemaître, (François Elie) Jules (1853-1914) (books) (stories)
- See en.wikipedia.org/wiki/Jules_Lema%C3%AEtre
- Leroux, Gaston (1868-1927) (stories)
- See also Julius Regis.
See also www.sf-encyclopedia.com/entry/leroux_gaston
- LeShan, Lawrence (1920- ) (stories)
- See en.wikipedia.org/wiki/Lawrence_LeShan
- Leslie, Peter (Meyrick Johnston) (1922-{c}2007) (books) (stories)
- Trained as a geologist; journalist, editor and publicist in England.
See also www.sf-encyclopedia.com/entry/leslie_peter
- Lesser, Milton (books) (stories)
- See www.sf-encyclopedia.com/entry/lesser_milton
- Lessing, Doris (May, née Taylor) (1919-2013) (stories)
- See www.sf-encyclopedia.com/entry/lessing_doris
- Levin, Ira (1929-2007) (stories)
- See en.wikipedia.org/wiki/Ira_Levin
- Lewis, Anthony R(ichard) Tony (1941- ) (books) (stories)
- See www.sf-encyclopedia.com/entry/lewis_anthony_r
- Lewis, C(live) S(taples) (1898-1963) (books) (stories)
- See en.wikipedia.org/wiki/C.S._Lewis
- Lewis, (Harry) Sinclair (1885-1951) (stories)
- See en.wikipedia.org/wiki/Sinclair_Lewis
- Ley, Willy (1906-1969) (stories)
- See www.sf-encyclopedia.com/entry/ley_willy
- Lichtenberg, Jacqueline (1942- ) (stories)
- See www.sf-encyclopedia.com/entry/lichtenberg_jacqueline
- Lie, Jonas (Lauritz Idemil) (1833-1908) (books) (stories)
- See en.wikipedia.org/wiki/Jonas_Lie
- Lief, Evelyn (fl. 1967-1980) (stories)
- See www.sf-encyclopedia.com/entry/lief_evelyn
- Lightner, A. M. [i.e., Alice Martha Lightner Hopf] (1904-1988) (stories)
- See www.sf-encyclopedia.com/entry/lightner_a_m
- Lindholm, Megan [i.e., Margaret Astrid Lindholm Ogden] (1952- ) (stories)
- See www.sf-encyclopedia.com/entry/lindholm_megan
- Lindner, Robert (Mitchell) (1914-1956) (stories)
- See www.sf-encyclopedia.com/entry/lindner_robert
- Lindsay, David (1876-1945) (stories)
- See www.sf-encyclopedia.com/entry/lindsay_david
- Lindsay, (Nicholas) Vachel (1879-1931) (stories)
- Major American poet and literary figure. Born in Springfield, Illinois; suicide in Springfield, Illinois.
See also en.wikipedia.org/wiki/Vachel_Lindsay
- Linklater, Eric (Robert Russell) (1899-1974) (books) (stories)
- See www.sf-encyclopedia.com/entry/linklater_eric
- Linton, Elizabeth Lynn (1822-1898) (books) (stories)
- Born in Keswick, Cumbria, England; journalist and newspaper correspondent; moved to London in 1845 to live by her writing; worked on Morning Chronicle for three years as first salaried woman journalist in England; 1851-1854 a correspondent in Paris; by the 1860s she was known as Lynn Linton, under which name she wrote a number of novels; died in London.
- Locke, George (Walter) (1936- ) (books) (stories)
- See www.sf-encyclopedia.com/entry/locke_george
- Locke, Richard Adams (1800-1871) (stories)
- See www.sf-encyclopedia.com/entry/locke_richard_adams
- Locke, William J(ohn) (1863-1930) (books) (stories)
- Born in British Guiana of English parents; educated in Trinidad and Cambridge; novelist and playwright; was a teacher in early career; in later life lived on the continent, especially on the Riviera.
- London, Jack [born John Griffith Chaney] (1876-1916) (books) (stories)
- Father of Joan London.
See also en.wikipedia.org/wiki/Jack_London
- London, Joan (1901-1971) (books) (stories)
- Daughter of Jack London, wife of Barney Mayes.
- Long, Amelia Reynolds (1904-1978) (stories)
- See www.sf-encyclopedia.com/entry/long_amelia_reynolds
- Long, Frank Belknap (Jr.) (1903-1994) (books) (stories)
- See www.sf-encyclopedia.com/entry/long_frank_belknap
- Long, Gabrielle M(argaret) V(ere, née Campbell) (1885-1952) (books) (stories)
- Born in Hayling; birth registered as Margaret Gabrielle Vere Campbell. Daughter of Mrs. Vere Campbell.
- Longyear, Barry B(rookes) (1942- ) (books) (stories)
- See www.sf-encyclopedia.com/entry/longyear_barry_b
- Loomis, Noel (Miller) (1905-1969) (stories)
- Writer and editor. Born in Wakita, Oklahoma; died in San Diego, California.
See also www.sf-encyclopedia.com/entry/loomis_noel
- Lorrah, Jean (1940- ) (stories)
- See www.sf-encyclopedia.com/entry/lorrah_jean
- Lorraine, Lilith; pseudonym of Mary M. Wright (1894-1967) (stories)
- See www.sf-encyclopedia.com/entry/lorraine_lilith
- Lory, Robert (Edward) (1936- ) (books) (stories)
- See www.sf-encyclopedia.com/entry/lory_robert
- Lott, S. Makepeace [i.e., Stanley Makepeace-Lott] (1920-1991) (stories)
- See www.sf-encyclopedia.com/entry/lott_s_makepeace
- Lovecraft, H(oward) P(hillips) (1890-1937) (books) (stories)
- See en.wikipedia.org/wiki/H.p._lovecraft