- Lavin, Dom(inic) J(ohn) (1874-1958) (art)
- See strippersguide.blogspot.com/2017/12/ink-slinger-profiles-by-alex-jay-dondom.html
- Lawes, [Warden] Lewis E. (1883-1947) (stories)
- See en.wikipedia.org/wiki/Lewis_E._Lawes
- Lawhead, Stephen R. (1950- ) (stories)
- See www.sf-encyclopedia.com/entry/lawhead_stephen_r
- Lawlor, Harold (1910-1992) (stories)
- See www.sf-encyclopedia.com/entry/lawlor_harold
- Lawrence, Carole; pseudonym of Carole Buggé (1953- ) (stories) (assoc.)
- See www.celawrence.com
- Lawrence, Conrad (fl. 2000s) (stories)
- See www.sf-encyclopedia.com/entry/lawrence_conrad
- Lawrence, Joseph I(vers) (1879-1963) (stories) (assoc.)
- Born in Worcester, Massachusetts; died in Miami, Florida; editor and publisher.
- Lawrence, Kelly (fl. 1990s) (stories)
- Graduate of Boston College; living near Boston.
- Lawson, Mike (fl. 2000s-2010s) (stories) (assoc.)
- See mikelawsonbooks.com
- Lawton, R. T. (fl. 1990s-2010s) (stories)
- See www.smashwords.com/profile/view/RTLawton
- Layng, Charles (1895-1970) (stories)
- See desturmobed.blogspot.co.uk/2012/02/charles-layng.html
- Lazenby, Norman (Austin) (1914-2003) (stories)
- See www.sf-encyclopedia.com/entry/lazenby_norman_a
- Le Beau, John J. (fl. 2000s-2010s) (stories)
- See www.j-j-lebeau.com
- le Carré, John; pseudonym of David Cornwell (1931- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_le_Carr%C3%A9
- Le Fanu, J(oseph Thomas) Sheridan (1814-1873) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sheridan_Le_Fanu
- Le Queux, William (Tufnell) (1864-1927) (stories)
- See en.wikipedia.org/wiki/William_Le_Queux
- Leach, (Leonard) Douglas (1898-1987) (stories)
- See bearalley.blogspot.co.uk/2008/01/douglas-leach.html
- Leacock, Dina (fl. 2000s-2010s) (stories)
- See dinaleacock.com
- Leacock, Stephen (Butler) (1869-1944) (stories)
- See en.wikipedia.org/wiki/Stephen_Leacock
- Leader, Mary (Bartelt) (1918-2004) (stories)
- See desturmobed.blogspot.co.uk/2018/01/mary-leader.html
- Leather, Stephen (1956- ) (stories) (assoc.)
- Journalist; living in Hong Kong and financial editor of a newspaper there.
- Leblanc, Maurice (Marie Emile) (1864-1941) (stories)
- See en.wikipedia.org/wiki/Maurice_Leblanc
- LeBoeuf, Daniel (fl. 1990s-2010s) (stories)
- See www.danielleboeuf.net
- LeClerc, Jean (1948- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jean_LeClerc_(actor)
- Lederer, Norbert (Lewis) (1888-1955) (stories)
- Born in Vienna of American parents; died in Paris; chemical engineer, chess player and author.
- Ledford, Deborah J. (fl. 2000s-2010s) (stories)
- See deborahjledford.com/biography
- Lee, Albert (1868-1946) (stories)
- Writer, editor. Born in New Orleans, Louisiana; died in Norwalk, Connecticut.
- Lee, Arthur Stanley Gould (1894-1975) (stories)
- See en.wikipedia.org/wiki/Arthur_Lee_(RAF_officer)
- Lee, C(hin) Y(ang) (1915-2018) (stories)
- See en.wikipedia.org/wiki/Chin_Yang_Lee
- Lee, Christopher (1941- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Christopher_Lee_(historian)
- Lee, Ethan (fl. 2010s) (art)
- See ethanleeyf.deviantart.com/
- Lee, Fleming [born Fleming Lee Blitch] (1933-2012) (stories)
- Born in St. Augustine, Florida; graduate in English from University of Florida; instructor in English at several universities; spent nine years as a freelance writer; earned a J.D. from the University of Florida College of Law; practiced law in Washington D.C.; retired from the 5th District Court of Appeals; name changed from Fleming Lee Blitch in 1968.
- Lee, M(arshall) Lincoln (1921-2010) (stories) (art)
- See pulpartists.com/Lee.html
- Lee, Manfred B(ennington) (1905-1971) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ellery_Queen
- Lee, Marie (L.) (1931- ) (stories)
- Native of New Jersey; bacteriologist and science teacher turned writer on Cape Cod.
- Lee, Rand B. (1951- ) (stories)
- See curiosityquills.com/authors/rand-lee
- Leek, Chris (fl. 2010s) (stories)
- See nevadaroadkill.blogspot.co.uk
- Lees, Tim (fl. 1990s-2010s) (stories)
- See www.timlees.wordpress.com
- Leete, Alfred (Ambrose Chew) (1882-1933) (art)
- See en.wikipedia.org/wiki/Alfred_Leete
- Leffingwell, Albert (Fear) (1895-1946) (stories)
- Born in Cambridge, Massachusetts; owner of an advertising agency.
- Lehane, Con (fl. 2000s-2010s) (stories) (assoc.)
- See conlehane.com
- Leiber, Fritz (Reuter, Jr.) (1910-1992) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/leiber_fritz
- Leininger, Robert (1946- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/leininger_robert
- Leins, Tom (fl. 2010s) (stories)
- See thingstodoindevonwhenyouredead.wordpress.com
- Leinster, Murray; pseudonym of Will F. Jenkins (1896-1975) (stories)
- See www.sf-encyclopedia.com/entry/leinster_murray
- Leipiar, Louise (Margurite) (1899-1969) (stories)
- See rockysmith.net/2014/07/15/somebody-answer-the-door/
- Leitfred, Robert H(enry) (1891-1968) (stories)
- See pulpflakes.blogspot.co.uk/2017/07/robert-h-leitfred-author.html
- Leiva, Laura (fl. 2010s) (stories) (art) (assoc.)
- See www.deviantart.com/lauraypablo
- Lelièvre, Benoît ({c}1983- ) (stories) (assoc.)
- See www.deadendfollies.com
- Lem, Stanisław (1921-2006) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lem_stanislaw
- LeMay, Alan (Brown) (1899-1964) (stories)
- Novelist, popular for his westerns. Born in Indianapolis, Indiana; lived in Santee, California; died in Hollywood, California.
- Leon, Donna (M.) (1942- ) (stories) (assoc.)
- Teaches English at U.S. Air Force base near Venice.
- Leopold, Brian (fl. 2010s) (stories)
- See www.brianleopold.com/about.html
- Lerdall-Fitterer, Terry (Lynn) (1952-2019) (stories)
- See allpoetry.com/Terry_Fitterer
- Lerner, Eric J. (1947- ) (stories)
- See en.wikipedia.org/wiki/Eric_Lerner
- Leroux, Gaston (1868-1927) (stories)
- See www.sf-encyclopedia.com/entry/leroux_gaston
- LeRoy, Ben(jamin M.) (fl. 2000s-2010s) (stories) (assoc.)
- See benjaminleroy.com
- Leslie, Jean [i.e., Jean Leslie Cornett] (1908-1994) (stories)
- Born in Omaha, raised in Santa Monica; teaching fellow in psychology.
- Lesser, Milton (stories)
- See www.sf-encyclopedia.com/entry/lesser_milton
- Lesser, Ron (fl. 1960s-2010s) (art)
- See artbyronlesser.com
- Lester, R. Daniel (fl. 2000s-2010s) (stories)
- See www.smashwords.com/profile/view/rdaniellester
- Leverage, (Carl) Henry (1885-1931) (stories)
- Writer and editor; spent time in Sing-Sing and was released in 1919. Born in London, England; brought to the United States at an early age; died in Middletown, New York.
- Leverone, Allan (fl. 2000s-2010s) (stories) (assoc.)
- See www.allanleverone.com
- Levin, Ira (1929-2007) (stories)
- See en.wikipedia.org/wiki/Ira_Levin
- Levin, Meyer (1905-1981) (stories)
- See en.wikipedia.org/wiki/Meyer_Levin
- Levine, Peter (1967- ) (stories)
- Graduate of Yale with a Ph.D. from Oxford; research scholar at U. of Maryland.
- Levine, William (1881-1962) (stories)
- Born in Russia; died in Florida; former newspaperman, editor of Great Detective Magazine; became a dentist and mystery writer in New Jersey before moving to Indian Rocks, Florida.
- Levinrew, Will; pseudonym of William Levine (1881-1962) (stories)
- See www.sf-encyclopedia.com/entry/levinrew_will
- Levinson, Robert S. (1936- ) (stories) (assoc.)
- Newspaperman, public relations executive, and TV writer-producer, living in Los Angeles, CA.
- Levitin, Alexis (fl. 1960s-2000s) (stories)
- See www.alexislevitin.org
- Levy, Newman (1888-1966) (stories)
- See www.stolaf.edu/people/hend/VictoryMusic/NewmanLevy.html
- Lewing, Anthony Charles (1933-2013) (stories)
- See mark-bannerman.co.uk
- Lewis, Alfred Henry (1857-1914) (stories)
- See en.wikipedia.org/wiki/Alfred_Henry_Lewis
- Lewis, C. (fl. 1940s-1980s) (stories)
- Lived in Horsham, England.
- Lewis, C(harles) B(ertrand) (1842-1924) (stories)
- See www.sf-encyclopedia.com/entry/lewis_charles_bertrand
- Lewis, Evan (fl. 2010s) (stories)
- See www.davycrockettsalmanack.blogspot.co.uk
- Lewis, [Captain] George Warburton (1878-1963) (stories)
- Police officer in various places, including Puerto Rico; a traveller; also wrote poetry.
- Lewis, Henry (fl. 1920s-1930s) (stories)
- See www.sf-encyclopedia.com/entry/lewis_henry
- Lewis, Herbert Clyde (1909-1950) (stories)
- See en.wikipedia.org/wiki/Herbert_Clyde_Lewis
- Lewis, R. J. (fl. 2000s-2010s) (stories)
- See www.goodreads.com/rjlewis
- Lewis, (Harry) Sinclair (1885-1951) (stories)
- See en.wikipedia.org/wiki/Sinclair_Lewis
- Lewis, Ted [i.e., Edward William Lewis] (1940-1982) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ted_Lewis_(writer)
- Leydin, Beth; pseudonym (fl. 1990s) (stories)
- Australian writer of childrens books.
- Leys, Helen M(adeline) (1892-1965) (stories)
- Born in Hampton; educated privately and at Oxford; educator; living in Somerset in 1930s.
- Liebe, Charles Haven [born Charles William Liebe] (1880-1957) (stories)
- See pulpflakes.blogspot.com/2012/10/charles-haven-liebe-aka-hapsburg-liebe.html
- Liebe, Hapsburg; pseudonym of Charles Haven Liebe (1880-1957) (stories)
- See pulpflakes.blogspot.com/2012/10/charles-haven-liebe-aka-hapsburg-liebe.html
- Liebson, Phyllis Jo (1945- ) (stories)
- An attorney in New Mexico.
- Liggett, Walter W(illiam) (1886-1935) (stories)
- Born in Benson, Minnesota.
- Light, Larry (fl. 2010s) (stories)
- See lawrencelight.com
- Lightner, A. M. [i.e., Alice Martha Lightner Hopf] (1904-1988) (stories)
- See www.sf-encyclopedia.com/entry/lightner_a_m
- Lignor, Amy (fl. 2010s) (stories) (assoc.)
- See www.thewritecompanion.com/Who-We-Are.html
- Lillis, Richard (James) (1899-1994) (art)
- See pulpartists.com/Lillis.html
- Lincoln, Abraham (1809-1865) (stories)
- See en.wikipedia.org/wiki/Abraham_Lincoln
- Lincoln, (Joseph) Freeman (1900-1962) (stories)
- Son of Joseph C(rosby) Lincoln.
- Lincoln, Joseph C(rosby) (1870-1944) (stories)
- Born in Brewster, Mass.; father of (Joseph) Freeman Lincoln.
- Lincoln, Maurice; pseudonym of Esmond Condy (1888-1962) (stories)
- See www.sf-encyclopedia.com/entry/lincoln_maurice
- Lincoln, Natalie Sumner (1881-1935) (stories)
- Born in Washington, D.C.
- Lindemuth, Clayton (fl. 2010s) (stories)
- See www.claytonlindemuth.com/about
- Lindermuth, J. R. (fl. 2000s-2010s) (stories)
- See www.jrlindermuth.net