- Levenda, Peter (fl. 2000s-2010s) (items) (chron.)
- See en.wikipedia.org/wiki/Peter_Levenda
- Levene, Malcolm (1937-1973) (items)
- See www.sf-encyclopedia.com/entry/levene_malcolm
- Levene, Rebecca (fl. 1990s-2010s) (items)
- See en.wikipedia.org/wiki/Rebecca_Levene
- Levenseller, Tricia (fl. 2010s) (items) (chron.)
- See tricialevenseller.com
- Leverage, Henry; [working name of David Carroll Henry] (1879-1931) (items) (chron.)
- See oztypewriter.blogspot.com/2019/11/henry-leverage-pulp-fiction-author-who.html
- Leverone, Allan (fl. 2000s-2020s) (items) (chron.)
- See www.allanleverone.com
- Levi, Steven C. (fl. 1990s-2010s) (items) (chron.)
- See www.stevelevibooks.com
- Levin, Emma (fl. 2010s-2020s) (items) (chron.)
- See emmalevinwrites.com
- Levin, Harry (Tuchman) (1912-1994) (items) (chron.)
- See www.jstor.org/stable/987280
- Levin, Ira (1929-2007) (items)
- See en.wikipedia.org/wiki/Ira_Levin
- Levine, David D(aniel) (1961- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/levine_david_d
- Levine, Jess (fl. 2020s) (items) (chron.)
- See jessfrom.online
- Levinson, [Dr.] Paul (1947- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/levinson_paul
- Levithan, David (1972- ) (items)
- See en.wikipedia.org/wiki/David_Levithan
- LeVoit, Violet (fl. 2010s) (items) (chron.)
- See www.violetlevoit.com/bio.html
- Levy, Colin (c1989- ) (items)
- See www.colinlevy.com
- Levy, David (Neil Laurence) (1945- ) (items)
- See en.wikipedia.org/wiki/David_Levy_(chess_player)
- Levy, Roger (1950- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/levy_roger
- Lewin, Paul (1973- ) (items) (chron.)
- See www.paullewinart.com
- Lewis, Anthony R(ichard) “Tony” (1941- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lewis_anthony_r
- Lewis, C(live) S(taples) (1898-1963) (items) (chron.)
- See en.wikipedia.org/wiki/C.S._Lewis
- Lewis, D(es) F. (1948- ) (items) (chron.)
- See dflewisreviews.wordpress.com
- Lewis, E. Michael (fl. 2000s-2010s) (items) (chron.)
- See www.emichaellewis.com
- Lewis, [Captain] George Warburton (1878-1963) (items) (chron.)
- See tellersofweirdtales.blogspot.com/2023/06/capt-george-warburton-lewis-1878-1963.html
- Lewis, Herschell G(ordon) (1929-2016) (items)
- See en.wikipedia.org/wiki/Herschell_Gordon_Lewis
- Lewis, Irwin (1916-1996) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lewis_irwin
- Lewis, Isabel M(artin) (1881-1966) (items) (chron.)
- See en.wikipedia.org/wiki/Isabel_Martin_Lewis
- Lewis, Karyn (fl. 2010s) (items) (chron.)
- See www.karynlewis.com
- Lewis, Ken(neth Ralph) (1917-2000) (items) (chron.)
- See www.newspapers.com/article/monrovia-news-post-ken-lewis-author/135532438/
- Lewis, L(eslie) A(llin) (1899-1961) (items)
- See desturmobed.blogspot.co.uk/2016/01/la-lewis.html
- Lewis, Linden A. (fl. 2010s) (items) (chron.)
- See www.beneath-ceaseless-skies.com/authors/linden-a-lewis/
- 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, (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
- 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