- Dudley, Ernest; pseudonym of Vivian Ernest Coltman-Allen (1908-2006) (stories)
- See bearalley.blogspot.co.uk/2006/10/ernest-dudley.html
- Dudley, Paul (fl. 1930s-1940s) (art)
- Perhaps writer Paul Dudley (1912?-1959)
- Dudley, T(homas) U(nderwood) (1837-1904) (stories)
- See en.wikipedia.org/wiki/Thomas_Underwood_Dudley
- Dudziński, Wojciech (fl. 2010s) (art)
- See dudzinski.artstation.com
- Duerr, R. F. (1948- ) (stories)
- See www.theday.com/article/20131207/ENT03/312079994
- Duff, Charles (1894-1966) (stories)
- See www.sf-encyclopedia.com/entry/duff_charles
- Duff, Douglas V(alder) (1901-1978) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/duff_douglas_v
- Duff, Gerald (Aldine) (1938- ) (stories)
- Native of Texas; has been TV cameraman, professor of English, teacher of novel writing; now academic dean at McKendree College.
- Duff, James P(aul) (1925-2007) (stories)
- Born in Sheraton, Iowa; died in Morgan Hill, California; served in World War II, then obtained a BA in literature from the University of Washington, then was a sports reporter, business executive, and finally a teacher in San Jose, California, for 25 years.
- Duff, [Sir] M(ountstuart) E(lphinstone) Grant (1829-1906) (stories)
- See en.wikipedia.org/wiki/M._E._Grant_Duff
- Duff, Nellie Browne (1888-1971) (stories)
- See sangamoncountyhistory.org/wp/?p=2339
- Duff, Roderick (1911-1939) (art)
- See pulpartists.com/Duff.html
- Dufferin and Ava, Marquis of [i.e., Frederick Temple Hamilton-Temple-Blackwood, 1st Marquess of Dufferin and Ava] (1826-1902) (stories)
- See en.wikipedia.org/wiki/Frederick_Hamilton-Temple-Blackwood,_1st_Marquess_of_Dufferin_and_Ava
- Dufferin, Lady [i.e., Helen Selina Blackwood, Baroness Dufferin and Claneboye; née Sheridan] (1807-1867) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Helen_Blackwood,_Baroness_Dufferin_and_Claneboye
- Duffey, Barbara (fl. 2010s) (stories)
- See barbaraduffey.com
- Duffield, Samuel Willoughby (1843-1887) (stories)
- See en.wikipedia.org/wiki/Samuel_Willoughby_Duffield
- Duffus, R(obert) L(uther) (1888-1972) (stories)
- See www.sf-encyclopedia.com/entry/duffus_r_l
- Duffy, [Sir] Charles Gavan (1816-1903) (stories) (assoc.)
- See en.wikipedia.org/wiki/Charles_Gavan_Duffy
- Duffy, Maureen (Patricia) (1933- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/duffy_maureen
- Dufresne, Frank (1895-1966) (stories)
- Writer and traveller. Born in Newport, New Hampshire; died in Alaska (?).
- Duganne, Augustine Joseph Hickey (1823-1884) (stories)
- Born in Boston.
- Duganne, Phyllis (1899-1976) (stories)
- See asteria.fivecolleges.edu/findaids/sophiasmith/mnsss87_bioghist.html
- Dugdale, John (1905-1963) (stories)
- See en.wikipedia.org/wiki/John_Dugdale_(Labour_politician)
- Dugdall, Ruth (1971- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ruth_Dugdall
- Duggan, M. J. (fl. 2010s) (stories)
- See mjduggan.yolasite.com
- Dugger, Keith (fl. 2010s) (stories)
- See keithdugger.com
- Dugmore, A(rthur) Radclyffe (1870-1955) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Arthur_Radclyffe_Dugmore
- Duhem, Pierre (Maurice Marie) (1861-1916) (stories)
- See en.wikipedia.org/wiki/Pierre_Duhem
- Duillo, (Elmo) John (1928-2003) (art)
- See tellersofweirdtales.blogspot.co.uk/2014/02/conan-and-lancer-artists.html
- Duka, Ivo; joint pseudonym of Ivo Duchácek (1913-1988) & Helena Koldová (1928-1997) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/duka_ivo
- Dukaj, Jacek (1974- ) (stories)
- See en.wikipedia.org/wiki/Jacek_Dukaj
- Duke, Addam (fl. 2010s) (stories)
- See www.facthammerpodcast.com
- Duke, Madelaine (Elizabeth) (1925-1996) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/duke_madelaine
- Duke, Neville (Frederick) (1922-2007) (stories) (assoc.)
- See bearalley.blogspot.co.uk/2007/04/squadron-leader-neville-duke-1922-2007.html
- Duke, R(ichard) T(homas) W(alker), Jr. (1853-1926) (stories)
- See www.lva.virginia.gov/public/dvb/bio.asp?b=Duke_Richard_Thomas_Walker_1853-1926
- Duke, [Professor] Steven B. (fl. 1970s-2000s) (stories)
- See www.law.yale.edu/steven-b-duke
- Duke, Winifred (Amy) (1890-1962) (stories)
- Born in Liverpool; novelist and historian; lived most of her life in Edinburgh, Scotland, where she died.
- Dukes, [Sir] Paul (Henry) (1889-1967) (stories)
- See en.wikipedia.org/wiki/Paul_Dukes
- Dukovic, Pari (fl. 2010s) (art)
- See www.paridukovic.com
- Dulles, Allen W(elsh) (1893-1969) (stories)
- See en.wikipedia.org/wiki/Allen_Dulles
- Dulles, John Foster (1888-1959) (stories)
- See en.wikipedia.org/wiki/John_Foster_Dulles
- Dulley, Dominic (fl. 1990s-2010s) (stories) (assoc.)
- See dbdulley.com
- Dulski, Thomas Robert (fl. 1980s-2010s) (stories) (assoc.)
- See www.wiley.com/legacy/wileychi/eac/dulski.html
- Dumaine, Bernard (1953- ) (art)
- See en.wikipedia.org/wiki/Bernard_Dumaine
- Dumas, Alexandre, père (1802-1870) (stories) (assoc.)
- See en.wikipedia.org/wiki/Alexandre_Dumas
- DuMond, Frank Vincent (1865-1951) (stories) (art)
- See en.wikipedia.org/wiki/Frank_DuMond
- Dunbabin, Thomas (James) (1883-1973) (stories)
- Journalist, historian, writer, not to be confused with the English archaeologist (1911-1955). Born in Bream Creek, Tasmania; died in Ottawa, Ontario, Canada (?).
- Dunbar, Robert (fl. 1980s-2010s) (stories) (assoc.)
- See www.uninvitedbooks.com/page21.html
- Dunbar, Robin (Ernest) (1868-1943) (stories) (assoc.)
- Born in South Bend, Indiana; died in Los Angeles; a lawyer.
- Dunbar, Tony [i.e., Anthony P. Dunbar] (1949- ) (stories)
- A lawyer.
- Dunbar, William (1460?-1520?) (stories)
- See en.wikipedia.org/wiki/William_Dunbar
- Duncan, Bob (fl. 1950s) (stories)
- Perhaps Robert Lipscomb Duncan (1927- ).
- Duncan, Charles Stafford (fl. 1920s) (art)
- Born in Hutchinson, Kansas; died in New York City.
- Duncan, Dave [i.e., David John Duncan] (1933-2018) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/duncan_dave
- Duncan, David (1913-1999) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/duncan_david
- Duncan, F(rancis) Martin (1873-1961) (stories)
- See en.wikipedia.org/wiki/F._Martin_Duncan
- Duncan, George L. (fl. 2010s) (stories)
- See endtimestavern.com
- Duncan, (Angela) Isadora (1877-1927) (stories) (assoc.)
- See en.wikipedia.org/wiki/Isadora_Duncan
- Duncan, James H. (fl. 2010s) (stories)
- See www.jameshduncan.com
- Duncan, Melissa Mary (fl. 2010s) (art)
- See www.melissaduncan.ca
- Duncan, Robert (1919-1988) (stories)
- See en.wikipedia.org/wiki/Robert_Duncan_(poet)
- Duncan, Robert Kennedy (fl. 1900s-1910s) (stories)
- Professor of Industrial Chemistry at the University of Kansas.
- Duncan, Rod (1962- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Rod_Duncan
- Duncan, Ronald (Frederick Henry) (1914-1982) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/duncan_ronald
- Duncan, Sara J(eannette) [i.e., Mrs. Everard Cotes] (1861-1922) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sara_Jeannette_Duncan
- Duncan, Thomas W(illiam) (1905- ) (stories) (assoc.)
- Poet and writer. Born in Casey, Iowa; lived in California.
- Duncan, W. Glenn (1940-2019) (stories)
- Former journalist and pilot who lived in five U.S. states before moving to Australia.
- Dundas, Chad (fl. 2000s-2010s) (stories)
- See www.comainevent.com/about-us
- Dundas, David ,(Lord Dundas) (1854-1922) (stories)
- See en.wikipedia.org/wiki/David_Dundas,_Lord_Dundas
- Dundee, Wayne D(ean) (1948- ) (stories) (art)
- Living in Rockford, Illinois.
- Dundy, Elmer S(cipio Skip) (1862-1907) (stories)
- See www.westland.net/coneyisland/articles/thompson&dundy.htm
- Dungan, Sarah (fl. 2000s-2010s) (art)
- See sarahdungan.blogspot.co.uk
- Dunham, Sam(uel) C(larke) (1855-1920) (stories)
- Journalist and editor. Born in Woodford County, Illinois.; died in Baltimore, Maryland.
- Dunham, T. Fox (fl. 2010s) (stories)
- See tfoxdunham.blogspot.co.uk
- Dunkel, John (1915-2001) (stories)
- See articles.latimes.com/2001/apr/04/local/me-46727
- Dunkerley, William (Arthur) (1852-1941) (stories)
- Born and educated in Manchester; attempted orange growing and sheep farming in the U.S. but returned to England and took up writing; helped found The Idler; died in Worthing, Sussex.
- Dunlop, John (1755-1820) (stories)
- See en.wikipedia.org/wiki/John_Dunlop_(writer)
- Dunmore, Helen (1952-2017) (stories)
- See en.wikipedia.org/wiki/Helen_Dunmore
- Dunn, Adam (fl. 2010s) (stories)
- See dunnbooks.com
- Dunn, Alan (Cantwell) (1900-1974) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Alan_Dunn_(cartoonist)
- Dunn, Alta Booth (1878-1970) (stories)
- See www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=113402526
- Dunn, Dorothy (Jane) (1913- ) (stories)
- Born in Portland, Maine; teacher in St. Louis; very prolific pulp writer.
- Dunn, Harvey T(homas) (1884-1952) (art)
- See pulpartists.com/Dunn.html
- Dunn, J(oseph) Allan (Elphinstone) (1872-1941) (stories) (assoc.)
- See pulpflakes.blogspot.com/2012/06/j-allan-dunn-pulp-author-novelist.html
- Dunn, J(effrey) R. (1953- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/dunn_j_r
- Dunn, James (fl. 1910s-1930s) (stories)
- Newspaper journalist and court correspondent. Born in Dalton-in-Furness; living in London in 1940s.
- Dunn, James Nicol (1856-1919) (stories)
- See www.whistler.arts.gla.ac.uk/correspondence/people/biog/?bid=Dunn_JN&initial=D
- Dunn, Katherine (Karen) (1945-2016) (stories)
- See www.sf-encyclopedia.com/entry/dunn_katherine
- Dunn, Matthew (fl. 2010s) (stories) (assoc.)
- See matthewdunnbooks.com/biography
- Dunn, Robert (1877-1955) (stories)
- Explorer, adventurer, author, war correspondent. Born in Newport, Rhode Island; died in Katonah, New York.
- Dunn, Robin Wyatt (1979- ) (stories)
- See www.robindunn.com
- Dunn, Stephen (1939- ) (stories)
- See en.wikipedia.org/wiki/Stephen_Dunn
- Dunn, Thom (fl. 2010s) (stories)
- See www.thomdunn.info
- Dunne, Dominick (1925-2009) (stories)
- See en.wikipedia.org/wiki/Dominick_Dunne
- Dunne, Finley Peter (1867-1936) (stories)
- See en.wikipedia.org/wiki/Finley_Peter_Dunne
- Dunne, J(ohn) W(illiam) (1875-1949) (stories)
- See www.sf-encyclopedia.com/entry/dunne_j_w
- Dunning, Hal [i.e., Harold Wolcott Dunning] (1880-1931) (stories)
- See bearalley.blogspot.co.uk/2008/01/hal-dunning.html
- Dunsany, Lord [Edward John Moreton Drax Plunkett] (1878-1957) (stories) (assoc.)
- See en.wikipedia.org/wiki/Lord_Dunsany