- Kramer-Rolls, Dana (1940- ) (stories)
- See www.sf-encyclopedia.com/entry/kramer-rolls_dana
- Krasiński, Count (Napoleon Stanisław Adam Ludwig Zygmunt) (1812-1859) (stories) (assoc.)
- See en.wikipedia.org/wiki/Count_Zygmunt_Krasinski
- Krasnostein, Alisa (fl. 2000s-2010s) (stories) (assoc.)
- See champagneandsocks.com
- Krauss, Lawrence M(axwell) (1954- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Lawrence_M._Krauss
- Kreighbaum, Mark A. (1957?- ) (stories)
- See www.sf-encyclopedia.com/entry/kreighbaum_mark
- Krenkel, Roy G(erald, Jr.) (1918-1983) (stories) (art) (assoc.)
- See pulpartists.com/Krenkel.html
- Krepps, Robert W(ilson) (1919-1980) (stories)
- See www.sf-encyclopedia.com/entry/krepps_robert_w
- Kress, Nancy (Anne, née Konigisor) (1948- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/kress_nancy
- Kressel, Matthew (fl. 2000s-2010s) (stories) (assoc.)
- See www.matthewkressel.net
- Krick, Irving P. (1906-1966) (stories) (assoc.)
- See en.wikipedia.org/wiki/Irving_P._Krick
- Kriesel, Michael ({c}1963- ) (stories)
- See www.bookthatpoet.com/poets/krieselm.html
- Krigstein, Bernard (1919-1990) (art)
- See en.wikipedia.org/wiki/Bernard_Krigstein
- Krinard, Susan (fl. 1980s-2010s) (stories) (assoc.)
- See en.wikipedia.org/wiki/Susan_Krinard
- Kring, Michael K. (1952- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/kring_michael_k
- Krinov, E. L. [i.e., Yevgeny Leonidovich Krinov] (1906-1984) (stories) (assoc.)
- See en.wikipedia.org/wiki/Yevgeny_Krinov
- Krisch, Glen R. (fl. 2000s-2010s) (stories)
- See glenkrisch.wordpress.com
- Kristjansson, Snorri (1974- ) (stories) (assoc.)
- See snorrikristjansson.com
- Kristoff, Jay (1973- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jay_Kristoff
- Kritzer, Naomi (fl. 2000s-2010s) (stories) (assoc.)
- See www.naomikritzer.com
- Krizan, Vladimir (fl. 2010s) (art)
- See sketchboook.deviantart.com
- Krog, Robert J. (fl. 2010s) (stories)
- See krogfiction.yolasite.com
- Krohn, Jennifer Lynn (fl. 2010s) (stories)
- See outsideofparnassus.wordpress.com
- Krohn, Leena (1947- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Leena_Krohn
- Krolicki, Neil (1976- ) (stories)
- See www.neilkrolicki.com
- Kroll, Harry Harrison (1888-1967) (stories)
- Lived as a child in Dyersburg, Tennessee, and teens and young adult in Alabama; school teacher in Alabama though without formal education, then obtained degrees from Peabody College for Teachers in Nashville; taught English composition and literature at University of Tennessee and Lincoln Memorial University; published over 900 pieces of short fiction and essays and 27 novels.
- Krosinsky, Sari (fl. 2010s) (stories)
- See outerchildpoetry.com
- Krsteski, Damien (fl. 2010s) (stories)
- See monochromewish.blogspot.co.uk
- Krupa, Julian S. (1913-1989) (stories) (art)
- See sticklersworld.blogspot.co.uk/2006/03/julian-krupa-man-legend.html
- Krusz, Arthur (J.) (1926-2014) (art)
- See www.grossepointenews.com/Obituary-41209.114135-Arthur-J-Krusz.html
- Kube-McDowell, Michael P(aul) (1954- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/kube-mcdowell_michael_p
- Kubilius, Walter (1918-1993) (stories)
- See www.sf-encyclopedia.com/entry/kubilius_walter
- Kubuitsile, Lauri (fl. 2000s-2010s) (stories)
- See thoughtsfrombotswana.blogspot.com
- Kuhl, Jackson (fl. 1990s-2010s) (stories)
- See www.jacksonkuhl.com/blog
- Kuhlhoff, Pete [i.e., Elbert Herman Kuhlhoff] (1903-1972) (art)
- See pulpartists.com/Kuhlhoff.html
- Kuhn, Sarah (fl. 2010s) (stories) (assoc.)
- See www.alertnerd.com/?page_id=3607
- Kuilboer, Leigh (fl. 2010s) (art)
- See www.malicious.com.au
- Kuiper, Gerard P(eter) (1905-1973) (stories) (assoc.)
- See en.wikipedia.org/wiki/Gerard_Kuiper
- Kukalis, Romas B(randt) (1956- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Romas_Kukalis
- Kull, George F(rederick?) (1911-1963) (stories)
- Born in Buffalo, New York; died in Riverside, California.
- Kullstroem, Chris (fl. 2010s) (stories) (assoc.)
- See monstersandbooks.com
- Kum, Tessa (1981- ) (stories)
- See silence-without.blogspot.co.uk
- Kumashov, M(isha) Dimitri (1955- ) (stories) (art)
- also known as Michael Kumashov.
- Kuno, Olga (fl. 2010s) (stories)
- See www.goodreads.com/author/show/15296298.Olga_Kuno
- Künsken, Derek (Stéphane) (1971- ) (stories) (assoc.)
- See www.beneath-ceaseless-skies.com/authors/derek-kunsken/
- Kunstler, James Howard (1948- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/James_Howard_Kunstler
- Kupperberg, Alan (1953-2015) (art)
- See en.wikipedia.org/wiki/Alan_Kupperberg
- Kuppers, Petra (1968- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Petra_Kuppers
- Kurahashi, Yumiko (1935-2005) (stories) (assoc.)
- See en.wikipedia.org/wiki/Yumiko_Kurahashi
- Kurella, Jordan (fl. 2010s) (stories)
- See www.jordankurella.com
- Kurisato, Mari (fl. 2000s-2010s) (stories) (art)
- See www.polychromantium.com
- Kurland, Michael J(oseph) (1938- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/kurland_michael
- Kurowski, Cliff (fl. 1970s-2010s) (art)
- See www.deviantart.com/cliffk
- Kurtén, Björn (Olof Lennartson) (1924-1988) (stories) (assoc.)
- See en.wikipedia.org/wiki/Bj%C3%B6rn_Kurt%C3%A9n
- Kurtz, Ed (fl. 2010s) (stories)
- See edkurtz.net
- Kurtz, Katherine (Irene) (1944- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/kurtz_katherine
- Kurtz, Nicole Givens (fl. 2000s-2010s) (stories)
- See nicolegivenskurtz.com
- Kuryla, Mary (fl. 2000s-2010s) (stories)
- See marykuryla.com
- Kurzawa, Greg; pseudonym of Gage Kurricke (fl. 2000s-2010s) (stories)
- See www.gregkurzawa.com
- Kusano, Iori (fl. 2010s) (stories)
- See kusanoiori.wordpress.com
- Kuslan, Louis (1922-2015) (stories)
- See fancyclopedia.org/louis-kuslan
- Kuttner, Henry (1915-1958) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/kuttner_henry
- Kuykendall, Alla Ray (Elliott) (1892-1988) (stories)
- See rehtwogunraconteur.com/remembering-the-kuykendalls-of-ranger/
- Kuykendall, (Fanita) Karen ({c}1928-1998) (stories) (assoc.)
- See www.rambles.net/kuykendall_cattarot.html
- Kwaymullina, Ambelin (fl. 2010s) (stories)
- See en.wikipedia.org/wiki/Ambelin_Kwaymullina
- Kyle, David A(ckerman) (1919-2016) (stories) (art) (assoc.)
- See www.sf-encyclopedia.com/entry/kyle_david_a
- Kyle, Richard (1929-2016) (stories)
- See comic-con.wikia.com/wiki/Richard_Kyle
- Kyme, Nick (fl. 2000s-2010s) (stories) (assoc.)
- See www.nickkyme.com/?page_id=2
- Kymmell-Harvey, Samantha (fl. 2010s) (stories) (assoc.)
- See samanthakymmell-harvey.blogspot.co.uk
- La Barre, (Raoul) Weston (1911-1996) (stories) (assoc.)
- See en.wikipedia.org/wiki/Weston_La_Barre
- La Due, Hubert (William) (1891-1946) (stories)
- See tellersofweirdtales.blogspot.co.uk/2014/11/hubert-la-due-1891-1946.html
- La Farge, Paul (B.) (1970- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Paul_LaFarge
- La Tourette, Aileen (1946- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/la_tourette_aileen
- Labonski, Michael (1907?-?) (art)
- See tellersofweirdtales.blogspot.co.uk/2016/03/michael-labonski-1907.html
- Laboulaye, Édouard René Lefebvre de (1811-1883) (stories)
- See en.wikipedia.org/wiki/%C3%89douard_Ren%C3%A9_de_Laboulaye
- Lacey, Josh (fl. 2000s) (stories)
- See joshlacey.com
- Lackey, Jamie (fl. 2000s-2010s) (stories) (assoc.)
- See www.jamielackey.com
- Lackey, Mercedes (née Ritche) (1950- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lackey_mercedes
- Lackoff, Hannah (fl. 2010s) (stories)
- See hannahlackoff.wix.com/writing
- Lacombe, Eric (1968- ) (art)
- See www.ericlacombe.com
- Lacoste, Raphael (1974- ) (art)
- See www.raphael-lacoste.com
- Lacy, Mark Anthony (fl. 2010s) (art)
- See www.lacyunlimited.com
- Lafferty, R(aphael) A(loysius) (1914-2002) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lafferty_r_a
- Lagor, Kelly (fl. 2010s) (stories)
- See www.lagoraphobia.com
- Lai, Larissa (1967- ) (stories)
- Born in California; long resident in Canada.
- Laidlaw, Marc (1960- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/laidlaw_marc
- Laidlow, Jonathan (fl. 1990s-2010s) (stories)
- See jonlaidlow.com
- Laik, Vincent (fl. 2010s) (art)
- See www.vincentlaik.com
- Laing, Alexander (Kinnan) (1903-1976) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/laing_alexander
- Laing, R(onald) D(avid) (1927-1989) (stories) (assoc.)
- See en.wikipedia.org/wiki/R._D._Laing
- Laish, Llanwyre (fl. 2010s) (stories)
- See stuff4nonsense.wordpress.com
- Lait, Jack [i.e., Jacquin Leonard Lait] (1881-1954) (stories)
- Birth name probably Jacob Lait. Born in New York City; died in Beverly Hills, California; reporter, editor and executive with Hearst newspapers for more than 50 years.
- Laity, K(ate) A. (fl. 1990s-2010s) (stories)
- See kalaity.com
- Lake, David J(ohn) (1929-2016) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lake_david_j
- Lake, Jay [i.e., Joseph Edward Lake, Jr.] (1964-2014) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/lake_jay
- Lake, Lissanne (fl. 1990s-2010s) (art)
- See wikibin.org/articles/lissanne-lake.html
- Lake, Nick (1979- ) (stories) (assoc.)
- See www.unitedagents.co.uk/nick-lake
- Lake, Paul (1951- ) (stories)
- Professor of English and creative writing at Arkansas Tech University; poet and essayist.
- Lale, Erin (fl. 1980s-2010s) (stories)
- See sites.google.com/site/erinlaleauthorpage
- Lamb, Alexander (fl. 2000s-2010s) (stories)
- See alexlamb.com
- Lamb, Harold A(lbert) (1892-1962) (stories) (assoc.)
- See pulpflakes.blogspot.com/2012/05/harold-lamb-adventure-short-story.html
- Lamb, Hugh (Charles) (1946-2019) (stories) (assoc.)
- See hughlamb.com
- Lambdin, George Cochran (1830-1896) (art)
- See en.wikipedia.org/wiki/George_Cochran_Lambdin