- Cox, A(nthony) B(erkeley) (1893-1971) (stories)
- See en.wikipedia.org/wiki/Anthony_Berkeley_Cox
- Cox, [Sir] Edmund C(harles) (1856-1935) (stories)
- Born in Exeter. With Indian Imperial Police.
- Cox, Edward (fl. 2000s-2010s) (stories)
- See edwardcox.net
- Cox, (William) Greg(ory) (1959- ) (stories)
- See www.sf-encyclopedia.com/entry/cox_greg
- Cox, Lee Sheridan (1916-2013) (stories)
- Had a Ph.D. from Indiana University; Professor of English at Ohio State University.
- Cox, Paul (1957- ) (art)
- See www.paulcoxartist.com
- Cox, William R(obert) (1901-1988) (stories)
- Writer of westerns and mystery novels. Born in Peapack, New Jersey; died in Los Angeles, California.
- Cozzarelli, Frank (fl. 1950s) (art)
- Died in Jersey City, New Jersey (?). Not to be confused with the engineer and the patent attorney of the same name.
- Cozzens, James Gould (1903-1978) (stories)
- See www.sf-encyclopedia.com/entry/cozzens_james_gould
- Craft, Fred (Page) (1883-1935) (art)
- See pulpartists.com/Craft.html
- Craigie, Edith Fulton (1893-1978) (stories)
- See www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=95355195
- Craigie, (Henry) Hamilton (1880-1956) (stories)
- Born in Connecticut; died in Florida; prolific pulp writer.
- Crais, Robert (Kyle) (1953- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Robert_Crais
- Crandell, Doug (fl. 2000s-2010s) (stories)
- See dougcrandell.com
- Crane, Earl Benham (fl. 1920s-1930s) (stories)
- From the Northwest.
- Cranmer, David (fl. 2000s-2010s) (stories) (assoc.)
- See www.davidcranmer.com
- Craven, Sean (fl. 2000s-2010s) (stories)
- See seancraven.blogspot.co.uk
- Crawford, Anne [i.e., Anne Crawford, Baroness von Rabe] (1846-1912) (stories)
- See www.victorianresearch.org/atcl/show_author.php?aid=2629
- Crawford, F(rancis) Marion (1854-1909) (stories)
- Sister of Anne Crawford.
- Crawford, Griff [i.e., Oliver Griffith Crawford] (1876-1935) (stories) (assoc.)
- See www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=38834524
- Crawford, [Captain] Jack [i.e., John Wallace Crawford] (1847-1917) (stories)
- See en.wikipedia.org/wiki/John_Wallace_Crawford
- Crawford, Michael (1942- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Michael_Crawford
- Creasey, John (1908-1973) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_Creasey
- Creek, David J. (fl. 1980s-2010s) (stories)
- See davecreek.net
- Creel, George (1876-1953) (stories)
- See en.wikipedia.org/wiki/George_Creel
- Crichton, (John) Michael (1942-2008) (stories) (assoc.)
- See en.wikipedia.org/wiki/Michael_Crichton
- Crider, (Allen) Bill(y) (1941-2018) (stories)
- See en.wikipedia.org/wiki/Bill_Crider
- Crispin, Edmund; pseudonym of Robert Bruce Montgomery (1921-1978) (stories) (assoc.)
- See en.wikipedia.org/wiki/Edmund_Crispin
- Croft-Cooke, Rupert (1903-1979) (stories)
- See www.sf-encyclopedia.com/entry/croft-cooke_rupert
- Cromarty, (Robert?) Noel (1920?-2001?) (stories)
- If this is the right person, he was born in Lancashire, England, and died in Yorkshire.
- Crombie, Charles (Exeter Devereux) (1880-1967) (art)
- See en.wikipedia.org/wiki/Charles_Exeter_Devereux_Crombie
- Crooker, Herbert (Beidler) (1893-1960) (stories)
- Born in Minneapolis; reporter and film publicist in New York City.
- Cross, Mason (fl. 2010s) (stories)
- See www.carterblake.net
- Cross, Ronald Anthony (1937-2006) (stories)
- See www.sf-encyclopedia.com/entry/cross_ronald_anthony
- Crossen, Kendell Foster (1910-1981) (stories)
- See www.sf-encyclopedia.com/entry/crossen_kendell_foster
- Crosswell, Marie S. (fl. 2010s) (stories)
- See www.amazon.com/Marie-Crosswell/e/B00BAKSIQC
- Crosswhite, E(lwyn) B(reckenridge) (1897-1964) (stories)
- Born in Missouri, graduated high-school in Riverside, California, lived in Los Angeles.
- Croudace, Glynn (1917- ) (stories)
- Journalist and novelist. Born in Monmouth, England; lived in South Africa.
- Crouse, Russel (1893-1966) (stories)
- See en.wikipedia.org/wiki/Russel_Crouse
- Crowe, Catherine (Ann, née Stevens) (1790-1876) (stories)
- Born in Kent; lived mostly in Edinburgh after marriage.
- Croy, Homer (1883-1965) (stories)
- See en.wikipedia.org/wiki/Homer_Croy
- Cruickshank, Harold (F.) (1893-1965) (stories)
- See www.ageofaces.net/authors-artists/harold-f-cruickshank/
- Cudmore, Libby (fl. 2000s-2010s) (stories) (assoc.)
- See libbycudmore.com
- Cuff, Estelle M. Getman (1886-1975) (stories)
- See www.findagrave.com/memorial/133613312/estelle-m-cuff
- Cumberland, (Sydney Walter) Marten (1892-1972) (stories)
- Born Sydney Walter Marten to Walter Ernest Marten and Ada Frances Marten, and some years later his mother married Alfred Cumberland.
- Cuming, E(dward) W(illiam) D(irom) (1862-1941) (stories)
- See prabook.com/web/person-view.html?profileId=745256
- Cummings, Gabrielle (fl. 1920s-1930s) (stories)
- Wife of Ray Cummings.
- Cummings, Ray(mond King) (1887-1957) (stories)
- See www.sf-encyclopedia.com/entry/cummings_ray
- Cunningham, A(lbert) B(enjamin) (1886-1962) (stories)
- Born in Linden, West Virginia; grew up in Ohio; earned Ph.D. from NYU; joined staff of Texas Technical College in 1929; died in Lubbock, Texas.
- Cunningham, Eugene (1896-1957) (stories)
- See www.tshaonline.org/handbook/online/articles/fcu59
- Cunningham, Louis Arthur (1900-1954) (stories)
- Born in St. John, New Brunswick; educated at Catholic University of America and Notre Dame; contributor to numerous magazines.
- Cunningham, William (Meredith) (1901-1967) (stories)
- See www.okhistory.org/publications/enc/entry.php?entry=CU004
- Cupp, Scott A. (fl. 1980s-2010s) (stories)
- See www.scottacupp.com
- Curatolo, (William) ONeill (fl. 2010s) (stories)
- See www.bayberryinstitute.com
- Curran, Tim (fl. 1990s-2010s) (stories)
- See en.wikipedia.org/wiki/Tim_Curran_(author)
- Curry, Tom [i.e., Thomas Albert Curry, Jr.] (1900-1976) (stories) (assoc.)
- See archiveswest.orbiscascade.org/ark:/80444/xv84823
- Curties, [Capt.] Henry (1860-1928) (stories)
- See www.sf-encyclopedia.com/entry/curties_henry
- Curtin, Jack (fl. 1970s-2010s) (stories)
- See jackcurtin.com
- Curtis, Richard (Alan) (1937- ) (stories)
- See www.sf-encyclopedia.com/entry/curtis_richard_a
- Curwood, James Oliver (1878-1927) (stories)
- Born in Owosso, Michigan.
- Cushing, Charles Phelps (1884-1973) (stories)
- See www.nytimes.com/1973/08/14/archives/charles-cushing-photographer-88-specialist-on-main-streets-of-us.html
- Cushman, Dan (1909-2001) (stories)
- Novelist. Born in Osceola County, Michigan; lived in Great Falls, Montana.
- Cussler, Clive (Eric) (1931- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/cussler_clive
- Cutler, Dave (fl. 2000s-2010s) (art)
- See www.davecutlerstudio.com
- Cutter, Leah R. (fl. 1990s-2010s) (stories)
- See www.leahcutter.com/biography
- Czajkowski, James Paul (1961- ) (stories)
- See en.wikipedia.org/wiki/James_Rollins
- DAgnese, Joseph (fl. 2000s-2010s) (stories)
- See josephdagnese.com
- Daheim, Mary (Rene) (1937- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Mary_Daheim
- Dahl, Roald (1916-1990) (stories)
- See en.wikipedia.org/wiki/Roald_Dahl
- Daingerfield, Foxhall (Alexander) (1887-1933) (stories)
- Born in Harrisburg, Virginia.
- Dallas, [Captain] Oswald (Cecil David Donald) ({c}1854-1942) (stories)
- See www.sf-encyclopedia.com/entry/dallas_oswald
- Dalmas, John; pseudonym of John Robert Jones (1926-2017) (stories)
- See www.sf-encyclopedia.com/entry/dalmas_john
- Dalrymple, Byron W(illiam) (1910-1994) (stories)
- Writer. Born in Fostoria, Michigan; lived in Texas.
- Dalton, Ryan (fl. 2010s) (stories)
- See ryandaltonwrites.com
- Daly, Carroll John (1889-1958) (stories) (assoc.)
- Born in Yonkers, N.Y.
- Daly, Elizabeth (Teresa) (1878-1967) (stories)
- Aunt of Eleanor Daly Boylan.
- Daly, Tyne (1946- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Tyne_Daly
- DAmmassa, Don(ald Eugene) (1946- ) (stories)
- See www.sf-encyclopedia.com/entry/dammassa_don
- Dana, Marvin (Hill) (1867-1926) (stories)
- Born in Cornwall, Connecticut; died in New York City. Graduated from Middlebury College, Sauveur School of Languages, law department of Union University, and General Theological Seminary in New York City; practiced law and then ordained and was pastor of St. Johns Episcopal Church in Stillwater, New York; later identified as an author; wrote poetry, novels and books on law, memory, arithmetic, language and etiquette.
- Dane, Clemence; pseudonym of Winifred Ashton (1888-1965) (stories)
- See www.sf-encyclopedia.com/entry/dane_clemence
- Dane, Jordan (1953- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jordan_Dane
- Dangerfield, Clinton; pseudonym of Ella Howard Bryan (1872-1954) (stories)
- See tellersofweirdtales.blogspot.co.uk/2011/05/clinton-dangerfield-1872-1954.html
- Daniel, (William) Roland (1880-1969) (stories)
- Actor turned writer.
- Daniels, B. J.; pseudonym of Barbara Johnson Heinlein (1948- ) (stories) (assoc.)
- See www.bjdaniels.com
- Daniels, Kimberly (S.) (fl. 2010s) (stories) (assoc.)
- See www.ksdanielsauthor.com
- Daniels, Norman (Arthur) [born Norman Arthur Danberg] (1905-1995) (stories)
- See www.sf-encyclopedia.com/entry/daniels_norman_a
- Daniels, Roger (fl. 1910s-1930s) (stories)
- Journalist. Born in Wales; lived in New York City.
- Danihy, Geary (fl. 1990s-2000s) (stories)
- See ctcritics.org/geary-danihy/
- Danks, Denise (fl. 1990s-2000s) (stories) (assoc.)
- Journalist and screenwriter living in London.
- Dannay, Frederic [born Daniel Nathan] (1905-1982) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ellery_Queen
- DAnnunzio, Gabriele (1863-1938) (stories)
- See en.wikipedia.org/wiki/Gabriele_DAnnunzio
- Darby, Ray(mond) (1912- ) (stories)
- Writer. Born in Edmonton, Alberta; lives in Los Angeles, California.
- Darden, Tyler (fl. 2010s) (art)
- See www.tylerdarden.com
- Darling, Jean [born Dorothy Jean LeVake] (1922-2015) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jean_Darling
- Darling, Ron(ald Maurice, Jr.) (1960- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ron_Darling
- Darr, W(alter Scott) (1881-1946) (art)
- See pulpartists.com/Darr.html
- Darrell, Vera (fl. 1920s) (stories)
- possibly a pseudonym.
- Darrow, Whitney, Jr. (1909-1999) (stories)
- See en.wikipedia.org/wiki/Whitney_Darrow,_Jr.
- Darvill-Evans, Peter (1954- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/darvill-evans_peter