- Lewis, Maria (1988- ) (items) (chron.)
- See en.wikipedia.org/wiki/Maria_Lewis
- Lewis, Mark (fl. 1960s-2010s) (items) (chron.)
- See syntheticscribe.wordpress.com
- Lewis, R. J. (fl. 2000s-2010s) (items) (chron.)
- See www.goodreads.com/rjlewis
- Lewis, (Harry) Sinclair (1885-1951) (items)
- See en.wikipedia.org/wiki/Sinclair_Lewis
- Lewis, (Percy) Wyndham (1882-1957) (items)
- See en.wikipedia.org/wiki/Wyndham_Lewis
- Lewis-Jones, Huw (1980- ) (items)
- See en.wikipedia.org/wiki/Huw_Lewis-Jones
- Lewitt, S(hariann) (1954- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lewitt_s_n
- Lewton, Val; [i.e., Vladimir Ivan Leventon] (1904-1951) (items) (chron.)
- 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, K(atherine) Garcia (fl. 2020s) (items) (chron.)
- See www.katherineley.com
- Ley, Olga; [née Feldman] (1912-2001) (items) (chron.)
- See www.nytimes.com/2001/05/22/classified/paid-notice-deaths-ley-olga.html
- Ley, Roger (fl. 2010s-2020s) (items) (chron.)
- See www.rogerley.co.uk
- Ley, Willy (1906-1969) (items) (chron.)
- See www.sf-encyclopedia.com/entry/ley_willy
- Leydenfrost, A(lexander) (1888-1961) (items) (chron.)
- See en.wikipedia.org/wiki/Alexander_Leydenfrost
- Leyland, Eric (Arthur) (1911-2001) (items) (chron.)
- See tellersofweirdtales.blogspot.co.uk/2014/11/eric-leyland-1911-2001.html
- Leys, Helen M(adeline) (1892-1965) (items)
- Born in Hampton; educated privately and at Oxford; educator; living in Somerset in 1930s.
- L’Heureux, André (1888-1963?) (items) (chron.)
- See tellersofweirdtales.blogspot.co.uk/2014/04/andre-linville-1888-1963.html
- Liburd, Tonya (fl. 2010s-2020s) (items) (chron.)
- See thespiderlilly.wordpress.com
- Licciardi, Bryanna (fl. 2010s) (items) (chron.)
- See www.strangeletjournal.com/bryanna-licciardi
- Lichtenberg, Jacqueline (1942- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lichtenberg_jacqueline
- Lichtman, Jeremy (fl. 2010s) (items) (chron.)
- See jeremylichtman.com
- Lichtman, Robert (1942-2022) (items) (chron.)
- See fancyclopedia.org/Robert_Lichtman
- Liddell, Henry (, 1st Earl of Ravensworth) (1797-1878) (items) (chron.)
- See en.wikipedia.org/wiki/Henry_Liddell,_1st_Earl_of_Ravensworth
- Lie, Jonas (Lauritz Idemil) (1833-1908) (items)
- See en.wikipedia.org/wiki/Jonas_Lie
- Liebe, Charles Haven; [born Charles William Liebe] (1880-1957); used pseudonym Hapsburg Liebe (items) (chron.)
- See pulpflakes.blogspot.com/2012/10/charles-haven-liebe-aka-hapsburg-liebe.html
- Liebe, (Charles) Hapsburg; pseudonym of Charles Haven Liebe (1880-1957) (items) (chron.)
- See pulpflakes.blogspot.com/2012/10/charles-haven-liebe-aka-hapsburg-liebe.html
- Lieberman, Herbert (Henry) (1933- ) (items)
- See www.sf-encyclopedia.com/entry/lieberman_herbert
- Lieder, Tim (fl. 2000s-2010s) (items) (chron.)
- See marlowe1.livejournal.com
- Lief, Evelyn (1945- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lief_evelyn
- Lieferant, Henry (1892-1968) (items) (chron.)
- See tellersofweirdtales.blogspot.com/2011/05/henry-lieferant-1892-1968-sylvia-b.html
- Lieferant, Sylvia B.; [born Sylvia B. Saltzberg] (1896-1952); previously known as Sylvia B. Saltzberg (items) (chron.)
- See tellersofweirdtales.blogspot.com/2011/05/henry-lieferant-1892-1968-sylvia-b.html
- Lieffe, Kes Otter (fl. 2020s) (items) (chron.)
- See otterlieffe.com
- Lien, Dennis (Kieth) (1945-2023) (items) (chron.)
- See cremationsocietyofmn.com/tribute/details/74280/Dennis-Lien/obituary.html
- Lien, Henry (fl. 2010s) (items) (chron.)
- See henrylien.com/me/
- Liew, Sonny (1974- ) (items) (chron.)
- See en.wikipedia.org/wiki/Sonny_Liew
- Liggett, Kim (fl. 2010s) (items)
- See www.kimliggett.com
- Liggett, Walter W(illiam) (1886-1935) (items) (chron.)
- Born in Benson, Minnesota; editor and publisher of Minnesota newspapers; died in Minneapolis.
- Light, John (1943- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/light_john
- Lightman, Alan (Paige) (1948- ) (items)
- See en.wikipedia.org/wiki/Alan_Lightman
- Lightner, A. M.; [i.e., Alice Martha Lightner Hopf] (1904-1988) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lightner_a_m
- Ligon, Tom (fl. 1980s-2010s) (items) (chron.)
- See www.tomligon.com
- Liguore, Hunter (fl. 2010s-2020s) (items) (chron.)
- See www.hunterliguore.org
- Li He (c790-c816) (items) (chron.)
- See en.wikipedia.org/wiki/Li_He
- Li Jun (1980- ); used pseudonym Baoshu (items) (chron.)
- See en.wikipedia.org/wiki/Baoshu
- Likhain; pseudonym of Mia Sereno (fl. 2010s) (items) (chron.)
- See likhain.net
- Likitalo, Leena (fl. 2010s) (items) (chron.)
- See www.leenalikitalo.com
- Lillian, Guy H., III (fl. 1970s-2010s) (items) (chron.)
- See en.wikipedia.org/wiki/Guy_H._Lillian_III
- Lim, Joshua (2002- ) (items) (chron.)
- See joshualimwriter.wordpress.com
- Lim, Nicholas (Robert) (fl. 2010s) (items) (chron.)
- See www.smashwords.com/profile/view/NicholasRobertLim
- Limb, Chris (fl. 2010s) (items) (chron.)
- See chrislimb.com
- Lin, Su-Yee (fl. 2000s-2020s) (items) (chron.)
- See suyeelin.wordpress.com
- Linardos, Akis (fl. 2020s) (items) (chron.)
- See linktr.ee/akislinardos
- Linaweaver, Brad(ford Swain) (1952-2019) (items) (chron.)
- See www.sf-encyclopedia.com/entry/linaweaver_brad
- Lincke, James (fl. 2010s) (items) (chron.)
- See www.jameslincke.com
- Lincoln, Abraham (1809-1865) (items) (chron.)
- See en.wikipedia.org/wiki/Abraham_Lincoln
- Lincoln, Maurice; pseudonym of Esmond Condy (1888-1962) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lincoln_maurice
- Lind, Laurinda (fl. 2010s-2020s) (items) (chron.)
- See www.readthebestwriting.com/laurinda-lind/
- Lindell, Yosef (fl. 2010s-2020s) (items) (chron.)
- See www.beneath-ceaseless-skies.com/authors/yosef-lindell/
- Lindholm, Megan; [i.e., Margaret Astrid Lindholm Ogden] (1952- ); also known as Margaret Ogden (items) (chron.)
- See www.sf-encyclopedia.com/entry/lindholm_megan
- Lindhout, Ward (fl. 2010s) (items) (chron.)
- See artbyward.com
- Lindner, Robert (Mitchell) (1914-1956) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lindner_robert
- Lindow, Sandra J. (1949- ) (items) (chron.)
- See www.wfop.org/poets/lindowsa.html
- Lindow, Shaun (fl. 2010s) (items) (chron.)
- See www.shaunlindow.com
- Lindquist, Willis (J.) (1908-1988) (items) (chron.)
- See www.ancientfaces.com/person/willis-j-lindquist-birth-1908-death-1988/85881264
- Lindroos, Juha (Tapio) (1971- ) (items) (chron.)
- See en.wikipedia.org/wiki/J._T._Lindroos
- Lindsay, C(harlene) H(armon) (fl. 2010s-2020s) (items) (chron.)
- See chlindsay.net
- Lindsay, David (1876-1945) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lindsay_david
- Lindsay, Jeff(ry P.); pseudonym of Jeffry P. Freundlich (1952- ) (items)
- See www.sf-encyclopedia.com/entry/lindsay_jeffry_p