- Lorimer, Janet (G.) (1945- ) (items) (chron.)
- All titles about 60 pp. and intended for adults learning to read.
- Lörinczy, Judit (fl. 2010s) (items)
- See judlorin.blogspot.com
- Loring, Jennifer (fl. 1990s-2020s) (items) (chron.)
- See jenniferloring.wordpress.com
- Lorn, Edward (fl. 2010s) (items) (chron.)
- See edwardlorn.wordpress.com
- Lorrah, Jean (1940- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lorrah_jean
- Lorrain, Claude; [born Claude Gellée] (c1600-1683) (items) (chron.)
- See en.wikipedia.org/wiki/Claude_Lorrain
- Lorraine, Lilith; pseudonym of Mary M. Wright (1894-1967) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lorraine_lilith
- Lory, Robert (Edward) (1936- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lory_robert
- LoSchiavo, LindaAnn (fl. 1970s-2020s) (items) (chron.)
- See en.wikipedia.org/wiki/LindaAnn_Loschiavo
- Loscocco, Amethyst (fl. 2010s-2020s) (items) (chron.)
- See www.amethystloscocco.com
- Lostetter, Marina J. (fl. 2010s-2020s) (items) (chron.)
- See www.lostetter.net
- Lott, S. Makepeace; [i.e., Stanley Makepeace-Lott] (1920-1991) (items)
- See www.sf-encyclopedia.com/entry/lott_s_makepeace
- Lottem, Emanuel (1944-2024) (items)
- See sf-encyclopedia.com/entry/lottem_emanuel
- Lotz, Sarah (fl. 2000s-2020s) (items) (chron.)
- See sarahlotz.com
- Louinet, Patrice (1967- ) (items) (chron.)
- See www.barbariankeep.com/louinet.html
- Louise, A. Z. (fl. 2010s-2020s) (items) (chron.)
- See www.azlouise.com
- Louzon, Monica (fl. 2010s-2020s) (items) (chron.)
- See sites.google.com/a/newmyths.com/nmwebsite/contributors/monica-louzan
- Love, Penelope (fl. 1980s-2010s) (items) (chron.)
- See www.yog-sothoth.com/wiki/index.php/Penelope_Love
- Love, Rosaleen (Lucille) (1940- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/love_rosaleen
- Lovecraft, H(oward) P(hillips) (1890-1937) (items) (chron.)
- See en.wikipedia.org/wiki/H._P._Lovecraft
- Lovegrove, James (Matthew Henry) (1965- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lovegrove_james
- Lovejoy, (William) Alston (Ritchie) (1908-1956) (items) (chron.)
- See tellersofweirdtales.blogspot.com/2012/02/alston-lovejoy-1908-1956.html
- Lovejoy, Jack (1937- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lovejoy_jack
- Lovelace, Richard (1617-1657) (items) (chron.)
- See en.wikipedia.org/wiki/Richard_Lovelace
- Loveland, Patrick (fl. 2010s) (items) (chron.)
- See patrickloveland.com
- Lovell, Bobbie (fl. 2010s) (items) (chron.)
- See www.bobbie-lovell.com
- Lovelock, James (Ephraim) (1919-2022) (items) (chron.)
- See en.wikipedia.org/wiki/James_Lovelock
- Lovett, Richard A., Ph.D. (1953- ) (items) (chron.)
- See en.wikipedia.org/wiki/Richard_A._Lovett
- Lovin, Roger (Robert) (1941-1991) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lovin_roger
- Lovisi, Gary (Anthony) (1952- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/lovisi_gary
- Low, A(rchibald) M(ontgomery) (1888-1956) (items) (chron.)
- See www.sf-encyclopedia.com/entry/low_a_m
- Low, Kenson (fl. 1990s-2000s) (items) (chron.)
- See www.kavatar.co.uk
- Low, P. H. (fl. 2020s) (items) (chron.)
- See ph-low.com
- Low, Robert (1952-2021) (items)
- See www.blackgate.com/2021/09/18/obituary-robert-low-1949-31-may-2021
- Lowachee, Karin (1973- ) (items) (chron.)
- See en.wikipedia.org/wiki/Karin_Lowachee
- Lowd, Mary E. (fl. 2000s-2020s) (items) (chron.)
- See marylowd.com
- Lowe, Brian K. (1956- ) (items) (chron.)
- See brianklowe.wordpress.com
- Lowe, Clint (fl. 2010s) (items) (chron.)
- See clintlowe.com
- Lowe, Helen (1961- ) (items) (chron.)
- See en.wikipedia.org/wiki/Helen_Lowe
- Lowe, Steve (fl. 2000s-2010s) (items) (chron.)
- See the2steves.net
- Lowell, James Russell (1819-1891) (items) (chron.)
- See en.wikipedia.org/wiki/James_Russell_Lowell
- Lowndes, Marie (Adelaide) Belloc (1868-1947); previously known as Marie A. Belloc (items) (chron.)
- See www.encyclopedia.com/women/encyclopedias-almanacs-transcripts-and-maps/belloc-lowndes-marie-1868-1947
- Lowndes, Robert A(ugustine) W(ard) (1916-1998); used pseudonyms Arthur Cooke & John MacDougal (items) (chron.)
- See www.sf-encyclopedia.com/entry/lowndes_robert_a_w
- Lowrance, Heath (fl. 2010s) (items) (chron.)
- See psychonoir.blogspot.co.uk
- Lowry, Lynn (1947- ) (items)
- See en.wikipedia.org/wiki/Lynn_Lowry
- Lowther, George (Francis) (1913-1975) (items)
- See www.sf-encyclopedia.com/entry/lowther_george
- Loxley, Simon (fl. 2020s) (items)
- See en.wikipedia.org/wiki/Simon_Loxley
- Loyd, Overton (1954- ) (items) (chron.)
- See tellersofweirdtales.blogspot.com/feeds/posts/default
- Lozar, D. C. (fl. 2010s-2020s) (items) (chron.)
- See dclozar.com
- Lu, S. Qiouyi (fl. 2010s-2020s) (items) (chron.)
- See s.qiouyi.lu
- Luadthong, Tithi (fl. 2010s-2020s) (items) (chron.)
- See tithi-luadthong.pixels.com
- Lu Ban (fl. 2020s) (items) (chron.)
- See clarkesworldmagazine.com/author/lu-ban
- Lubanko, Emily (fl. 2010s) (items) (chron.)
- See www.emilylubanko.com
- Luberoff, William E(dward) (1910-2002) (items) (chron.)
- See pulpartists.com/Luberoff.html
- Lucas, Christine (fl. 2000s-2020s) (items) (chron.)
- See www.christinlucas.com
- Lucas, Paul (fl. 1990s-2020s) (items) (chron.)
- See en.wikifur.com/wiki/Paul_Lucas
- Lucas, Tim (1956- ) (items) (chron.)
- See en.wikipedia.org/wiki/Tim_Lucas
- Luceno, James (1947- ); used pseudonym Jack McKinney (items)
- See www.sf-encyclopedia.com/entry/luceno_james
- Luchs, Kurt (fl. 2010s-2020s) (items) (chron.)
- See kurtluchs.com
- Lucia, Kevin (fl. 2000s-2010s) (items) (chron.)
- See www.kevinlucia.com
- Lucian of Samosata (c115-190) (items) (chron.)
- See en.wikipedia.org/wiki/Lucian_of_Samosata
- Lucie-Smith, Edward (1933- ) (items)
- See www.sf-encyclopedia.com/entry/lucie-smith_edward
- Luckett, Dave (1951- ) (items) (chron.)
- See en.wikipedia.org/wiki/Dave_Luckett
- Luckhurst, Roger (fl. 1990s-2020s) (items) (chron.)
- See en.wikipedia.org/wiki/Roger_Luckhurst
- Ludens, Adrian W. (fl. 2000s-2020s) (items) (chron.)
- See curioditiesadrianludens.blogspot.com
- Ludlam, Harry; [born Herbert W. Ludlam] (1926-2011) (items)
- See desturmobed.blogspot.com/2018/08/harry-ludlam.html
- Ludwig, Boris; pseudonym (fl. 1940s-1950s) (items) (chron.)
- See www.sf-encyclopedia.com/entry/ludwig_boris