- Leverone, Allan (fl. 2000s-2010s) (stories)
- See www.allanleverone.com
- Levin, Ira (1929-2007) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ira_Levin
- Levine, David D(aniel) (1961- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/levine_david_d
- Levinson, [Dr.] Paul (1947- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/levinson_paul
- LeVoit, Violet (fl. 2010s) (stories) (assoc.)
- See www.violetlevoit.com/bio.html
- Levy, Colin ({c}1989- ) (stories) (assoc.)
- See www.colinlevy.com
- Levy, David (Neil Laurence) (1945- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/David_Levy_(chess_player)
- Levy, Roger (1950- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/levy_roger
- Lewin, Paul (1973- ) (art)
- See www.paullewinart.com
- Lewis, Anthony R(ichard) Tony (1941- ) (stories) (art) (assoc.)
- See www.sf-encyclopedia.com/entry/lewis_anthony_r
- Lewis, C(live) S(taples) (1898-1963) (stories) (assoc.)
- See en.wikipedia.org/wiki/C.S._Lewis
- Lewis, E. Michael (fl. 2000s-2010s) (stories)
- See www.samhainpublishing.com/author/1715/e-michael-lewis
- Lewis, [Captain] George Warburton (1878-1963) (stories)
- Police officer in various places, including Puerto Rico; a traveller; also wrote poetry.
- Lewis, Herschell G(ordon) (1929-2016) (stories) (assoc.)
- See en.wikipedia.org/wiki/Herschell_Gordon_Lewis
- Lewis, Irwin (1916-1996) (stories)
- See www.sf-encyclopedia.com/entry/lewis_irwin
- Lewis, Karyn (fl. 2010s) (art)
- See www.karynlewis.com
- Lewis, Linden A. (fl. 2010s) (stories)
- See www.beneath-ceaseless-skies.com/authors/linden-a-lewis/
- Lewis, Mark (fl. 1980s-2010s) (stories)
- See syntheticscribe.wordpress.com
- Lewis, R. J. (fl. 2000s-2010s) (stories)
- See www.goodreads.com/rjlewis
- Lewis, (Percy) Wyndham (1882-1957) (stories) (assoc.)
- See en.wikipedia.org/wiki/Wyndham_Lewis
- Lewis-Jones, Huw (1980- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Huw_Lewis-Jones
- Lewitt, S. N.; pseudonym of Shariann Lewitt (1954- ) (stories)
- See www.sf-encyclopedia.com/entry/lewitt_s_n
- Lewton, Val [i.e., Vladimir Ivan Leventon] (1904-1951) (stories) (assoc.)
- Notable producer of low budget eerie motion pictures, such as Cat People (1942) and I Walked with a Zombie (1943); was also nephew of legendary actress Alla Nazimova. He was a freelance writer and novelist before he entered the field of motion pictures. Born in Russia; died in California.
- Ley, Willy (1906-1969) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/ley_willy
- Leydenfrost, A(lexander) (1888-1961) (art)
- See en.wikipedia.org/wiki/Alexander_Leydenfrost
- Leys, Helen M(adeline) (1892-1965) (stories)
- Born in Hampton; educated privately and at Oxford; educator; living in Somerset in 1930s.
- LHeureux, André (1888-1963?) (stories)
- See tellersofweirdtales.blogspot.co.uk/2014/04/andre-linville-1888-1963.html
- Li Jun (1980- ) (stories)
- See en.wikipedia.org/wiki/Baoshu
- Li, Cornelia (fl. 2010s) (art)
- See www.corneliali.com
- Liburd, Tonya (fl. 2010s) (stories)
- See thespiderlilly.wordpress.com
- Licciardi, Bryanna (fl. 2010s) (stories)
- See www.strangeletjournal.com/bryanna-licciardi
- Lichtenberg, Jacqueline (1942- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lichtenberg_jacqueline
- Lichtman, Jeremy (fl. 2010s) (stories)
- See jeremylichtman.com
- Lie, Jonas (Lauritz Idemil) (1833-1908) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jonas_Lie
- 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
- Lieberman, Herbert (Henry) (1933- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lieberman_herbert
- Lieder, Tim (fl. 2000s-2010s) (stories)
- See marlowe1.livejournal.com
- Lief, Evelyn (fl. 1960s-1980s) (stories)
- See www.sf-encyclopedia.com/entry/lief_evelyn
- Lien, Henry (fl. 2010s) (stories) (assoc.)
- See henrylien.com/me/
- Liew, Sonny (1974- ) (stories) (art)
- See en.wikipedia.org/wiki/Sonny_Liew
- Liggett, Kim (fl. 2010s) (stories) (assoc.)
- See www.kimliggett.com
- Liggett, Walter W(illiam) (1886-1935) (stories)
- Born in Benson, Minnesota.
- Light, John (1943- ) (stories) (art) (assoc.)
- See www.sf-encyclopedia.com/entry/light_john
- Lightner, A. M. [i.e., Alice Martha Lightner Hopf] (1904-1988) (stories)
- See www.sf-encyclopedia.com/entry/lightner_a_m
- Ligon, Tom (fl. 1980s-2010s) (stories) (assoc.)
- See www.tomligon.com
- Liguore, Hunter (fl. 2010s) (stories)
- See www.skytalewriter.com/About.php
- Ligurore, Hunter (fl. 2010s) (stories)
- See www.hunterliguore.org
- Likhain; pseudonym of Mia Sereno (fl. 2010s) (art)
- See likhain.net
- Likitalo, Leena (fl. 2010s) (stories) (assoc.)
- See www.leenalikitalo.com
- Lillian, Guy H., III (fl. 1970s-2010s) (stories)
- See en.wikipedia.org/wiki/Guy_H._Lillian_III
- Lim, Nicholas (Robert) (fl. 2010s) (stories)
- See www.smashwords.com/profile/view/NicholasRobertLim
- Limb, Chris (fl. 2010s) (stories)
- See chrislimb.com
- Lin Yutang [i.e., Lin Yü-tang] (1895-1976) (stories) (assoc.)
- See en.wikipedia.org/wiki/Lin_Yutang
- Lin, Su-Yee (fl. 2000s-2010s) (stories)
- See suyeelin.wordpress.com
- Linaweaver, Brad(ford Swain) (1952- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/linaweaver_brad
- Lincke, James (fl. 2010s) (stories) (art) (assoc.)
- See www.jameslincke.com
- Lincoln, Abraham (1809-1865) (stories)
- See en.wikipedia.org/wiki/Abraham_Lincoln
- Lincoln, Maurice; pseudonym of Esmond Condy (1888-1962) (stories)
- See www.sf-encyclopedia.com/entry/lincoln_maurice
- Lind, Laurinda (fl. 2010s) (stories)
- See www.readthebestwriting.com/laurinda-lind/
- Lindell, Yosef (fl. 2010s) (stories)
- See www.beneath-ceaseless-skies.com/authors/yosef-lindell/
- Lindholm, Megan [i.e., Margaret Astrid Lindholm Ogden] (1952- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lindholm_megan
- Lindhout, Ward (fl. 2010s) (art)
- See www.artbyward.com
- Lindner, Robert (Mitchell) (1914-1956) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lindner_robert
- Lindow, Shaun (fl. 2010s) (art)
- See www.shaunlindow.com
- Lindroos, Juha (Tapio) (1971- ) (stories)
- See en.wikipedia.org/wiki/J._T._Lindroos
- Lindsay, C(harlene) H(armon) (fl. 2010s) (stories)
- See chlindsay.net
- Lindsay, David (1876-1945) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lindsay_david
- Lindsay, Jeffry P.; pseudonym of Jeffry P. Freundlich (1952- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lindsay_jeffry_p
- Lindsay, Kathleen (Mary) (1903-1973) (stories)
- See www.sf-encyclopedia.com/entry/lindsay_kathleen
- Lindsey, Darrell (fl. 2000s-2010s) (stories)
- See www.pw.org/content/darrell_lindsey
- Lindsey, Luna (fl. 2010s) (stories) (assoc.)
- See www.lunalindsey.com
- Lindskold, Jane M. (1962- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jane_Lindskold
- Ling, Peter (1926-2006) (stories)
- See bearalley.blogspot.co.uk/2006/09/peter-ling-1926-2006.html
- Ling, Yun ({c}1982- ) (stories) (art) (assoc.)
- See lingy-0.deviantart.com
- Lingen, Marissa K(ristine) (fl. 2000s-2010s) (stories) (assoc.)
- See www.marissalingen.com
- Linington, (Barbara) Elizabeth (1921-1988) (stories)
- All titles published in the U.S. as by Elizabeth Linington are issued in England as by Anne Blaisdell.
- Linklater, Eric (Robert Russell) (1899-1974) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/linklater_eric
- Linklater, Greg (fl. 2010s) (stories)
- See www.beneath-ceaseless-skies.com/authors/greg-linklater/
- Linnaea, Jennifer (fl. 2000s-2010s) (stories)
- See www.jenniferlinnaea.com
- Linsteadt, Sylvia V(ictor) (fl. 2010s) (stories)
- See www.sylvialinsteadt.com
- Linville, Susan Urbanek (fl. 1980s-2010s) (stories)
- See sites.google.com/site/linvilleramey/the-new-castle/susan-urbanek-linville
- Linwood, Jim (fl. 1950s-2010s) (stories)
- See fancyclopedia.org/jim-linwood
- Lionni, Leo (1910-1999) (stories) (assoc.)
- See en.wikipedia.org/wiki/Leo_Lionni
- Lipkin, Shira (fl. 2000s-2010s) (stories) (assoc.)
- See www.shiralipkin.com
- Lipsyte, Robert (Michael) (1938- ) (stories)
- Born, raised, educated in New York City; with New York Times for 14 years; fiction writer, lecturer, teacher.
- Liptak, Andrew (fl. 2010s) (stories)
- See andrewliptak.com
- Lipton, Dean [born Solomon Lipsitz] (1917-1992) (stories)
- See familysearch.org/photos/stories/10131715
- Lithgow, Mike [i.e., Michael John Lithgow] (1920-1963) (stories) (assoc.)
- See en.wikipedia.org/wiki/Mike_Lithgow
- Litt, Toby (1968- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/litt_toby
- Littell, Jonathan (1967- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/littell_jonathan
- Littke, Lael J(ensen) (1929- ) (stories)
- See en.wikipedia.org/wiki/Lael_Littke
- Little, John R. (fl. 1980s-2010s) (stories) (assoc.)
- See www.johnrlittle.com
- Littlefield, Sophie (fl. 2000s-2010s) (stories)
- See www.sf-encyclopedia.com/entry/littlefield_sophie
- Littlewood, Alison (J.) (fl. 2000s-2010s) (stories) (art)
- See www.alisonlittlewood.co.uk
- Liu Cixin (1963- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Liu_Cixin
- Liu Junwei (fl. 2010s) (art)
- See sharksden.deviantart.com
- Liu, Ken [born Liu Yukun] (1976- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/liu_ken
- Liu, Lisa Tang (fl. 2010s) (stories)
- See lisatangliu.com
- Livant, Dan (fl. 2010s) (stories)
- See danlivant.wordpress.com
- Lively, Adam (1961- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lively_adam
- Livia, Anna [i.e., Anna Livia Julian Brawn] (1955-2007) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/anna_livia
- Livings, Martin (J.) (1970- ) (stories)
- See blog.martinlivings.com