- James, Rian (1899-1953) (stories)
- Brooklyn newspaperman.
- James, Roby; pseudonym of Rhoda Blecker (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/james_roby
- James, Russell (1942- ) (stories) (assoc.)
- See russelljamesbooks.wordpress.com
- James, Stuart (1926- ) (stories)
- American writer.
- James, Vic (fl. 2010s) (stories) (assoc.)
- See www.vicjames.co.uk
- James, Will(iam Roderick) [born Joseph Ernest Nephtali Dufault] (1892-1942) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Will_James_(artist)
- James, William (1842-1910) (stories)
- See en.wikipedia.org/wiki/William_James
- James, Winifred (Llewellyn) (1876-1941) (stories)
- See en.wikipedia.org/wiki/Winifred_Lewellin_James
- Jameson, A. D. (fl. 2010s) (stories) (assoc.)
- See adjameson.wordpress.com
- Jameson, Mrs. Annie Edith (Foster) (1868-1931) (stories)
- Lived most of her life in Yorkshire, the setting for all her books.
- Jameson, Arthur E(dward) (1872-1957) (stories) (art)
- See pulpartists.com/Jameson.html
- Jameson, Fredric (1934- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/jameson_fredric
- Jameson, Joelle (fl. 2010s) (stories)
- See joellejameson.com
- Jameson, [Sir] Leander Starr (1st Baronet) (1853-1917) (stories) (assoc.)
- See en.wikipedia.org/wiki/Leander_Starr_Jameson
- Jameson, Malcolm (Routh) (1891-1945) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/jameson_malcolm
- Jameson, (Margaret) Storm (1891-1986) (stories)
- See www.sf-encyclopedia.com/entry/jameson_storm
- Jamhour, Caroline (fl. 2010s) (stories) (art) (assoc.)
- See www.carolinejamhour.com
- Jamieson, Leland (Shattuck) (1904-1941) (stories) (assoc.)
- See pulpflakes.blogspot.co.uk/2017/01/leland-jamieson-aviator-author.html
- Jamieson-Lucy, Allison (fl. 2010s) (stories)
- See www.beneath-ceaseless-skies.com/authors/allison-jamieson-lucy
- Jamison, John C. (fl. 1890s) (stories) (assoc.)
- See www.gjenvick.com/SteamshipArticles/SteamshipCaptains/CaptainsOfAtlanticLiners/1897-06/CaptainJohnCJamison.html
- Jamison, Susan (1965- ) (art)
- See www.susanjamison.com
- Jancewicz, Anna Lea (fl. 2010s) (stories)
- See annajancewicz.wordpress.com
- Jane, (John) Fred(erick) T(homas) (1865-1916) (stories) (art)
- See www.sf-encyclopedia.com/entry/jane_fred_t
- Janeczko, Paul B(ryan) (1945-2019) (stories)
- See en.wikipedia.org/wiki/Paul_Janeczko
- Janes, Andrea (fl. 2010s) (stories)
- See andreajanes.com
- Janes, Gene [i.e., Eugene Janes] (1925- ) (stories)
- Born in Lewisham, England; went to Australia after WWII.
- Janes, J(erry) George (1902-1999) (art)
- See pulpartists.com/Janes.html
- Janeway, Carol (Janet) Brown (1944-2015) (stories)
- See en.wikipedia.org/wiki/Carol_Brown_Janeway
- Janeway, Henry H(arrington) (1873-1921) (stories) (assoc.)
- See en.wikipedia.org/wiki/Henry_Harrington_Janeway
- Jang, Ina (1982- ) (art)
- See en.wikipedia.org/wiki/Ina_Jang
- Jani, Seth (fl. 2010s) (stories)
- See www.sethjani.com
- Janifer, Laurence M(ark) (1933-2002) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/janifer_laurence_m
- Janis, Elsie [born Elsie Jane Bierbower (or Beerbower)] (1889-1956) (stories)
- Born in Marion County, Ohio; performed in vaudeville as Little Elsie, a headliner on Broadway and in London; singer, songwriter, actress and screenwriter.
- Janney, Russell (Dixon) (1884-1963) (stories)
- See en.wikipedia.org/wiki/Russell_Janney
- Janowitz, Phyllis (1930-2014) (stories)
- See news.cornell.edu/stories/2014/08/poet-phyllis-janowitz-professor-emerita-english-dies
- Janowitz, Tama (1957- ) (stories)
- See en.wikipedia.org/wiki/Tama_Janowitz
- Jansen, Mike (fl. 2010s) (stories) (assoc.)
- See www.meznir.com
- Janson, Charles (Noel) (1917-2006) (stories)
- See www.telegraph.co.uk/news/1525350/Charles-Janson.html
- Janson, H(orst) W(aldemar) (1913-1982) (stories)
- See en.wikipedia.org/wiki/H._W._Janson
- Janson, Hank; house pseudonym (fl. 1940s-1960s) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/janson_hank
- Janson, Klaus (1952- ) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Klaus_Janson
- Janssens, Ken (fl. 2010s) (stories)
- See prose-press.com/new-page-3
- Jansson, Mathias (fl. 2010s) (stories)
- See mathiasjansson72.blogspot.co.uk
- Januszek, Paulina (fl. 2010s) (stories) (assoc.)
- See amiltarea.weebly.com
- Janvier, Margaret (Thomson) (1845-1913) (stories)
- See en.wikipedia.org/wiki/Margaret_Thomson_Janvier
- Janvier, Thomas A(llibone) (1849-1913) (stories)
- See www.sf-encyclopedia.com/entry/janvier_thomas_a
- Janvrin, Mary W(olcott) (1830-1870) (stories)
- Born in Exeter, New Hampshire.
- Janz, Kristin (fl. 2010s) (stories)
- See www.kristinjanz.com
- Japp, Alexander H(ay), LL.D. (1837-1905) (stories)
- See en.wikipedia.org/wiki/Alexander_Hay_Japp
- Jaques, Edward Tyrrell (1859-1919) (stories)
- A solicitor; practiced with the family firm, Jaques & Co.
- Jaques, Faith (1923-1997) (art)
- See www.independent.co.uk/news/people/obituary-faith-jaques-1244190.html
- Jaram, Milan (fl. 1990s-2010s) (stories) (art) (assoc.)
- See www.milanjaram.com
- Jaramillo, Carmen (fl. 2010s) (stories)
- See onthelegit.blogspot.co.uk
- Jardon, Dorothy [born Mary Jardon] (1883-1966) (stories) (assoc.)
- See en.wikipedia.org/wiki/Dorothy_Jardon
- Jarlvi, Jessica (fl. 2010s) (stories)
- See www.jessicajarlvi.com
- Jarossi, Robin (fl. 2010s) (stories)
- See robinjarossi.com
- Jarre, Jean-Michel (André) (1948- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jean-Michel_Jarre
- Jarrell, Myra Williams (1867-1937) (stories)
- See www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=76878818
- Jarrett, Cora (Hardy) (1877-1969) (stories)
- Born in Norfolk, Virginia.
- Jarry, Alfred (1873-1907) (stories) (art)
- See www.sf-encyclopedia.com/entry/jarry_alfred
- Jarves, James Jackson (1818-1888) (stories)
- See en.wikipedia.org/wiki/James_Jackson_Jarves
- Jarvis, E. K.; house pseudonym (fl. 1940s-1950s) (stories)
- See www.sf-encyclopedia.com/entry/jarvis_e_k
- Jarvis, Marguerite Florence Laura (1886-1964) (stories)
- See en.wikipedia.org/wiki/Marguerite_Florence_Laura_Jarvis
- Jarvis, Sharon (Sylvia) (1943- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/jarvis_sharon
- Jarvis, (Thomas) Stinson (1854-1926) (stories)
- Graduate in law in Toronto; practiced criminal law until turning to writing.
- Jarvis, Timothy J. (fl. 2000s-2010s) (stories)
- See timothyjjarvis.wordpress.com
- Jarvis, William H(enry) P(ope) (1876-1944) (stories)
- Journalist in Canada.
- Jasiczak, Dariusz (1964- ) (art)
- See pl.wikipedia.org/wiki/Dariusz_Jasiczak
- Jastrow, Joseph (1863-1944) (stories)
- See en.wikipedia.org/wiki/Joseph_Jastrow
- Jastrow, Robert (1925-2008) (stories) (assoc.)
- See en.wikipedia.org/wiki/Robert_Jastrow
- Jaszak, Łukasz (1977- ) (art)
- See www.metal-archives.com/artists/%C5%81ukasz_Jaszak/87493
- Javits, Jacob K(oppel) (1904-1986) (stories)
- See en.wikipedia.org/wiki/Jacob_K._Javits
- Javor, Frank A.; pseudonym of Francis Anthony Jaworski (1916-2003) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/javor_frank_a
- Javor, Rado (fl. 2010s) (art)
- See radojavor.deviantart.com
- Jay, Edith Katharine Spicer (1847-1901) (stories)
- Daughter of a barrister; Superintendent of the London Soldiers Home until ill-health forced retirement; died in Torquay.
- Jay, Peter (1937- ) (stories)
- See www.sf-encyclopedia.com/entry/jay_peter
- Jayne, Caroline Furness (1873-1909) (stories)
- See en.wikipedia.org/wiki/Caroline_Furness_Jayne
- Jeaffreson, John Cordy (1831-1901) (stories)
- Born in Suffolk, son of a doctor; after graduation in 1852, spent a few years in London lecturing and tutoring, then turned to journalism in 1856; then studied law and called to the Bar in 1859 but never practiced; in 1875 appointed to a post in the Public Record Office and became an expert on historical archives.
- Jeannerat, Pierre (1896-1967) (stories) (assoc.)
- See en.wikipedia.org/wiki/Pierre_Jeanneret
- Jeapes, Ben (1965- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/jeapes_ben
- Jebb, (Hubert Miles) Gladwin, 1st Baron Gladwyn (1900-1996) (stories)
- See en.wikipedia.org/wiki/Gladwyn_Jebb
- Jebb, Richard Claverhouse (1841-1905) (stories) (assoc.)
- See en.wikipedia.org/wiki/Richard_Claverhouse_Jebb
- Jefferies, (John) Richard (1848-1887) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/jefferies_richard
- Jeffers, Alex (fl. 1980s-2010s) (stories) (assoc.)
- See en.wikipedia.org/wiki/Alex_Jeffers
- Jeffers, Jordan (fl. 2010s) (stories)
- See www.jordanjeffers.com
- Jefferson, Peter (1708-1757) (stories) (assoc.)
- See en.wikipedia.org/wiki/Peter_Jefferson
- Jefferson, Thomas (1743-1826) (stories) (assoc.)
- See en.wikipedia.org/wiki/Thomas_Jefferson
- Jeffery, [Mrs.] C(hristiana) E(lizabeth Rufford) (1846-1936) (stories)
- Born in Sheldon, Warwickshire; died in Hove, Sussex; daughter of a rector in Thorne Coffin, Somerset.
- Jeffrey, Francis (1773-1850) (stories) (assoc.)
- See en.wikipedia.org/wiki/Francis_Jeffrey,_Lord_Jeffrey
- Jeffrey, Rosa Vertner (1828-1894) (stories)
- Born in Natchez, Mississippi.
- Jeffrey, Siri (1955- ) (stories)
- Former policewoman living in Texas.
- Jeffreys, [Judge] George (, 1st Baron Jeffreys of Wem) (1645-1689) (stories) (assoc.)
- See en.wikipedia.org/wiki/George_Jeffreys,_1st_Baron_Jeffreys
- Jeffreys, Tim (fl. 2010s) (stories)
- See timjeffreyswriter.webs.com
- Jellicoe, John (1843-1909) (art)
- See www.artoftheprint.com/artistpages/jellicoe_john_sketchesatbascombe.htm
- Jellicoe, John (Rushworth, 1st Earl Jellicoe) (1859-1935) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_Jellicoe,_1st_Earl_Jellicoe
- Jemielniak, Ula ({c}1989- ) (art)
- See www.sadir89.deviantart.com
- Jen, Gish [born Lillian Jen] (1955- ) (stories)
- See en.wikipedia.org/wiki/Gish_Jen
- Jenike, Elizabeth (fl. 2010s) (stories)
- See elizabethjenike.wordpress.com
- Jenison, Madge C. (1874-1960) (stories)
- See en.wikipedia.org/wiki/Madge_Jenison