- Kennion, George Wyndham (1845-1922) (stories) (assoc.)
- See en.wikipedia.org/wiki/George_Kennion
- Kennion, R(oger) L(loyd) (1866-1942) (stories)
- See en.wikipedia.org/wiki/Roger_Lloyd_Kennion
- Kenny, John (fl. 1980s-2010s) (stories) (art) (assoc.)
- See johnrichardkenny.com
- Kenny, Steven (1962- ) (art)
- See www.stevenkenny.com
- Kensch, Otto; house pseudonym (stories)
- See www.sf-encyclopedia.com/entry/kensch_otto
- Kent, Charles (William Charles Mark) (1823-1902) (stories)
- See en.wikipedia.org/wiki/Charles_Kent_(English_writer)
- Kent, John (fl. 1930s-1940s) (stories)
- Perhaps John Leo Kent (1902- ), born in Wangaratta, Victoria, Australia.
- Kent, Kelvin; joint pseudonym of Arthur K. Barnes (1911-1969) & Henry Kuttner (1915-1958) (stories)
- See www.sf-encyclopedia.com/entry/kent_kelvin
- Kent, Margaret [born Ellen Louisa Margaret Hatwell] (1894-1978) (stories)
- See bearalley.blogspot.co.uk/2006/10/margaret-kent.html
- Kent, Marianne (1856-1942) (stories)
- Born in Kensington, London, England; died in Chichester, Sussex.
- Kent, Rockwell (1882-1971) (stories) (art)
- See en.wikipedia.org/wiki/Rockwell_Kent
- Kenward, James (Macara) (1908- ) (stories)
- See www.sf-encyclopedia.com/entry/kenward_james
- Kenyon, Bernice Lesbia (1898?-1982) (stories)
- See norman.hrc.utexas.edu/bookshopdoor/signature.cfm?item=42#1
- Kenyon, Camilla (Eugenie Lies) (1876-1957) (stories)
- Born in San Francisco; died in Alameda, California.
- Kenyon, Charles Frederick (1879-1926) (stories)
- Born in Manchester; musical and dramatic critic for Manchester Courier, 1908-1913; author of articles for the more intellectual magazines.
- Kenyon, Edith C. [i.e., Edith Caroline Kenyon Furbank] (1854-1925) (stories)
- Born in Doncaster, daughter of a doctor; moved to London and began translating works from the German, then writing for the young, then writing novels, mostly of a religious nature.
- Kenyon, Ernest M(onroe) (1920-1980?) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/kenyon_ernest_m
- Kenyon, John Balzac (fl. 1910s) (stories)
- some stories appeared as by John Balzac Kennion
- Kenyon, Dr. Josephine H(emenway) (1880-1965) (stories)
- See www.medicalarchives.jhmi.edu/papers/kenyon.html
- Kenyon, Kay [i.e., Katherine L. Kenyon Overcast] (1956- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/kenyon_kay
- Kenyon, Nate (fl. 2000s-2010s) (stories)
- See en.wikipedia.org/wiki/Nate_Kenyon
- Kenyon, Sherrilyn (1965- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sherrilyn_Kenyon
- Kenyon, Theda (1894-1977) (stories)
- See tellersofweirdtales.blogspot.co.uk/2011/05/theda-kenyon-1894-1997.html
- Keogan, George E. (1890-1943) (stories)
- See en.wikipedia.org/wiki/George_Keogan
- Keogh, Anthony D. (1900-1972) (stories)
- See tellersofweirdtales.blogspot.com/2013/11/anthony-d-keogh-1900-1972.html
- Kepfield, Sam S. (fl. 2000s-2010s) (stories)
- See www.smashwords.com/profile/view/samkepfield
- Kepner, Jim [i.e., James Lynn Kepner, Jr.] (1923-1997) (stories)
- See en.wikipedia.org/wiki/Jim_Kepner
- Kepner, Linda Tiernan (fl. 1990s) (stories)
- See www.lindatkepner.com
- Kepnes, Caroline (1976- ) (stories) (assoc.)
- See www.carolinekepnes.com
- Keppler, Victor (1904-1987) (art)
- See en.wikipedia.org/wiki/Victor_Keppler
- Ker, David (1842-1914) (stories)
- See www.sf-encyclopedia.com/entry/ker_david
- Kercheval, Jesse Lee (1956- ) (stories)
- See en.wikipedia.org/wiki/Jesse_Lee_Kercheval
- Kerensky, Alexander (Fyodorovich) (1881-1970) (stories)
- See en.wikipedia.org/wiki/Alexander_Kerensky
- Keret, Etgar (1967- ) (stories)
- See en.wikipedia.org/wiki/Etgar_Keret
- Kerigan, Florence (1896-1984) (stories)
- See www.sf-encyclopedia.com/entry/kerigan_florence
- Kerkhoff, Eleanor [Mrs. Johnston D. Kerkhoff; born Eleanor Hogue Stinchcomb] ({c}1897-1940) (stories)
- From New York. Lived in Baldwin.
- Kermit, Lance; house pseudonym (fl. 1940s-1960s) (stories)
- A house pseudonym of Popular Publications, used by at least fifteen people in as many different magazines. Alden Norton wrote two pieces; it is possible that Roy Ald is responsible for the remaining piece.
- Kern, Jerome D(avid) (1885-1945) (stories)
- See en.wikipedia.org/wiki/Jerome_Kern
- Kernahan, (John) Coulson (1858-1943) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/kernahan_coulson
- Kernahan, Mrs. Coulson [i.e., Mary Jean Hickling Bettany Gwynne Kernahan] (1857-1941) (stories)
- Born in Staffordshire.
- Kerner, Ben (1913-2000) (stories)
- Radio and TV writer.
- Kernot, David (fl. 2000s-2010s) (stories) (assoc.)
- See www.davidkernot.com
- Kerns, Art (fl. 2010s) (stories)
- See www.arthurkerns.com
- Kerouac, Jack [i.e., John Kerouac] (1922-1969) (stories) (assoc.)
- Born in Lowell, Mass.
- Kerp, Ahimsa (fl. 2010s) (stories)
- See obscureclearly.wordpress.com
- Kerr, Alvah Milton (1858-1924) (stories)
- See www.sf-encyclopedia.com/entry/kerr_alvah_milton
- Kerr, Archibald Clark (, 1st Baron Inverchapel) (1882-1951) (stories)
- See en.wikipedia.org/wiki/Archibald_Clark_Kerr,_1st_Baron_Inverchapel
- Kerr, Geoffrey (Kemble Grinham) (1895-1971) (stories)
- Born Geoffrey Kemble Grinham Keen in London; died in Aldershot, England.
- Kerr, George F. (1870-1953) (art)
- See pulpartists.com/Kerr.html
- Kerr, Katharine (Nancy Brahtin) (1944- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/kerr_katharine
- Kerr, M. D. (fl. 2010s) (stories)
- See www.mdkerr.com
- Kerr, Mark (Edward Francis) (1864-1944) (stories)
- See en.wikipedia.org/wiki/Mark_Kerr_(Royal_Navy_officer)
- Kerr, Megan (fl. 2010s) (stories)
- See www.thewritersgreenhouse.co.uk
- Kerr, Norman (1834-1899) (stories)
- See en.wikipedia.org/wiki/Norman_Kerr
- Kerr, Philip (1956-2018) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/kerr_philip
- Kerr, Robert Malcolm (1821-1902) (stories) (assoc.)
- See en.wikipedia.org/wiki/Robert_Malcolm_Kerr
- Kerr, Walter H(oward) (1914-1994) (stories)
- See digital.lib.umd.edu/archivesum/actions.DisplayEADDoc.do;jsessionid=9CA44FB2D8417460B06AF1C9CE0CC588?source=MdU.ead.litms.0089.xml&style=ead
- Kerrigan, Frank Henry (1868-1935) (stories)
- See en.wikipedia.org/wiki/Frank_Henry_Kerrigan
- Kerruish, Jessie Douglas (1884-1949) (stories)
- See www.sf-encyclopedia.com/entry/kerruish_jessie_douglas
- Kerry, Vic (fl. 2010s) (stories)
- See vickerry.wordpress.com
- Kersh, Gerald (1911-1968) (stories) (art) (assoc.)
- See www.sf-encyclopedia.com/entry/kersh_gerald
- Kerst, Donald W(illiam) (1911-1993) (stories) (assoc.)
- See en.wikipedia.org/wiki/Donald_William_Kerst
- Kerwood, Charles Wayne (1897-1976) (stories)
- See www.findagrave.com/memorial/6450797/charles-wayne-kerwood
- Kerzner, Liana (1978- ) (stories)
- See en.wikipedia.org/wiki/Liana_K
- Kesey, Ken [i.e., Kenneth Elton Kesey] (1935-2001) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ken_Kesey
- Kesey, Roy (fl. 2000s-2010s) (stories)
- See en.wikipedia.org/wiki/Roy_Kesey
- Keshigian, Michael (fl. 2000s-2010s) (stories)
- See www.michaelkeshigian.com
- Keshishian, John M. (1923- ) (stories)
- See www.sf-encyclopedia.com/entry/keshishian_john_m
- Kessel, John (Joseph Vincent) (1950- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/kessel_john
- Kesselring, Joseph O(tto) (1902-1967) (stories)
- See en.wikipedia.org/wiki/Joseph_Kesselring
- Kessler, Jackie Morse (1970- ) (stories) (assoc.)
- See www.jackiekessler.com/about.php#bio
- Kester, Vaughan (1869-1911) (stories)
- Born in New Brunswick, N.J.
- Ketcham, Hank [i.e., Henry King Ketcham] (1920-2001) (stories)
- See en.wikipedia.org/wiki/Hank_Ketcham
- Ketchum, Jack; pseudonym of Dallas William Mayr (1946-2018) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jack_Ketchum
- Ketchum, Philip (L.) (1902-1969) (stories) (assoc.)
- Born and educated in Colorado; in social work for 10 years before turning to writing and moving to California.
- Ketterer, David (Anthony Theodor) (1942- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/ketterer_david
- Kettle, Leroy (Richard Arthur) (1949- ) (stories)
- See www.sf-encyclopedia.com/entry/kettle_leroy
- Keverne, Richard; pseudonym of Clifford Hosken (1882-1950) (stories)
- See www.sf-encyclopedia.com/entry/keverne_richard
- Kewley, Carol (fl. 2010s) (art)
- See carol-kay.deviantart.com
- Key, Alexander (Hill) (1904-1979) (stories)
- See www.sf-encyclopedia.com/entry/key_alexander
- Key, Ellen (Karolina Sofia) (1849-1926) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ellen_Key
- Key, M. Lawrence (fl. 2000s) (stories)
- See mlawrencekey.wordpress.com
- Key, Ted [i.e., Theodore Key] (1912-2008) (stories)
- See www.sf-encyclopedia.com/entry/key_ted
- Key, Wilson B(ryan, Jr.) (1925- ) (stories)
- Journalist and teacher. Born in Richmond, California; lives in California.
- Keyes, Daniel (1927-2014) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/keyes_daniel
- Keyes, J. Gregory (1963- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/keyes_j_gregory
- Keyes, Thom (1943- ) (stories)
- See www.sf-encyclopedia.com/entry/keyes_thom
- Keyhoe, Donald E(dward) (1897-1988) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/keyhoe_donald_e
- Keynes, John Maynard (1883-1946) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_Maynard_Keynes
- Keys, Clement M(elville) (1876-1952) (stories)
- See en.wikipedia.org/wiki/Clement_Melville_Keys
- Keys, Nelson (1886-1939) (stories) (assoc.)
- See en.wikipedia.org/wiki/Nelson_Keys
- Kezar, Brenda (fl. 2010s) (stories)
- See www.brendakezar.com
- Khalid, Bushra (1990- ) (art)
- See www.saatchiart.com/bushrakhalid
- Khan, Ismith (1925-2002) (stories)
- See www.nytimes.com/2002/05/03/arts/ismith-khan-77-author-and-teacher.html
- Khan, [Sir] Malik (Mohammed) Umar Hayat (1875-1944) (stories) (assoc.)
- See en.wikipedia.org/wiki/Malik_Umar_Hayat_Khan
- Khan, Sami Ahmad (fl. 2010s) (stories)
- See www.goodreads.com/author/show/6450507.Sami_Ahmad_Khan
- Khanna, Rajan (fl. 2000s-2010s) (stories)
- See www.rajankhanna.com
- Khattak, Khūshāl Khān (1613-1689) (stories)
- See en.wikipedia.org/wiki/Khushal_Khattak
- Khaw, Cassandra (fl. 2010s) (stories) (assoc.)
- See ask.fm/casskhaw