- Croft, Tehani (fl. 2000s-2010s) (stories)
- See thebooknut.org
- Croke, Marie (fl. 2010s) (stories)
- See mariecroke.com
- Croker, B(ithia) M(ary, née Sheppard) (1849-1920) (stories) (assoc.)
- Born in County Roscommon, Ireland, daughter of a Church of Ireland Clergyman; educated in Cheshire and spent 14 years in Burma and India with her army officer husband, then moved back to Ireland.
- Cron, Joe (fl. 2010s) (stories)
- See www.joecron.com
- Cronin, Bernard (Charles) (1884-1968) (stories)
- Born in Ealing, Middlesex, England; came to Australia in 1890 and was educated there; journalist, operator of correspondence courses, founder of clubs for authors and artists; novelist, short story writer and playwright.
- Cronin, Justin (1962- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Justin_Cronin
- Croome, Angela (1925-2016) (stories) (assoc.)
- See www.telegraph.co.uk/obituaries/2016/04/27/angela-croome-science-writer--obituary/
- Cropley, Matthew (fl. 2010s) (stories)
- See matthewjcropley.wordpress.com
- Crosby, Gregory (fl. 2010s) (stories)
- See speakingpicture.com
- Crosby, Sheila (fl. 2000s-2010s) (stories)
- See sheilacrosby.com
- Cross, Anne (fl. 2010s) (stories)
- See www.beneath-ceaseless-skies.com/authors/anne-cross/
- Cross, John Keir (1914-1967) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/cross_john_keir
- Cross, Malcolm (fl. 2010s) (stories)
- See www.sinisbeautiful.com
- Cross, Ronald Anthony (1937-2006) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/cross_ronald_anthony
- Crossen, Kendell Foster (1910-1981) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/crossen_kendell_foster
- Crosshill, Tom (fl. 2010s) (stories)
- See www.tomcrosshill.com
- Crossley, Russ (fl. 2000s-2010s) (stories)
- See www.russcrossley.com
- Crowcroft, (William) Peter (1923-1982) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/crowcroft_peter
- Crowder, Nathan (fl. 2000s-2010s) (stories)
- See nathancrowder.com
- Crowell, Benjamin (fl. 1980s-2010s) (stories)
- See www.lightandmatter.com
- Crowley, Anthony (1979- ) (stories)
- See www.goodreads.com/author/show/796632.Anthony_Crowley
- Crowley, Jane (fl. 2010s) (stories)
- See strangehorizons.com/author/jane-crowley
- Crowley, John (William) (1942- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/crowley_john
- Crowther, J(ames) G(erald) (1899-1983) (stories) (assoc.)
- See grahamstevenson.me.uk/index.php?option=com_content&view=article&id=135:james-gerald-crowther&catid=3:c&Itemid=99
- Cruickshank, Harold (F.) (1893-1965) (stories)
- See www.ageofaces.net/authors-artists/harold-f-cruickshank/
- Cruikshank, George (1792-1878) (art)
- See en.wikipedia.org/wiki/George_Cruikshank
- Cruz, Raúl (fl. 2000s-2010s) (art)
- See www.racrufi.com/autor/semblanza.html
- Crystalwizard (fl. 2010s) (stories)
- See www.bewilderingstories.com/bios/crystalwizard_bio.html
- Csernica, Lillian (fl. 1990s-2010s) (stories)
- See lillian888.wordpress.com
- Csontos, Michael (fl. 2010s) (stories) (art)
- See www.michaelcsontos.com
- Ctein (fl. 1970s-2010s) (stories) (art)
- See ctein.com
- Cuba, Gary (fl. 2000s-2010s) (stories)
- See www.thefoggiestnotion.com
- Cuccaro, December (fl. 2010s) (stories)
- See literarymercenary.wordpress.com
- Cuervo, Sara (fl. 2010s) (art)
- See saracuervo.artstation.com
- Cuinn, Carrie (fl. 2010s) (stories) (assoc.)
- See carriecuinn.com
- Culbreath, Myrna (Lou) (1938- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/culbreath_myrna
- Cullen, Seamus; pseudonym (1927-2006) (stories) (assoc.)
- See desturmobed.blogspot.co.uk/2016/02/seamus-cullen.html
- Culverwell, Annabell Krebs (1902-1998) (stories) (assoc.)
- See en.wikipedia.org/wiki/Columba_Krebs
- Cummings, David (fl. 2010s) (stories) (assoc.)
- See www.thenosleeppodcast.com
- Cummings, Gabrielle (fl. 1920s-1930s) (stories)
- Wife of Ray Cummings.
- Cummings, M(onette) A. (1914- ) (stories)
- See www.sf-encyclopedia.com/entry/cummings_m_a
- Cummings, Ray(mond King) (1887-1957) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/cummings_ray
- Cummins, Layla (fl. 2010s) (stories)
- See laylacummins.com
- Cunniff, M. J. (fl. 2010s) (stories)
- See mjcunniff.wordpress.com
- Cunningham, Elaine (1957- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Elaine_Cunningham
- Cunningham, John Meyer (1921-1999) (stories)
- Born October 7th, 1921; originator and US organiser of the British Science Fiction War Relief Society; served in the US Air Force in World War II and in Korea; died February 18th 1999; buried in Arlington National Cemetery.
- Cupp, Scott A. (fl. 1980s-2010s) (stories)
- See www.scottacupp.com
- Curran, Tim (fl. 1990s-2010s) (stories)
- See en.wikipedia.org/wiki/Tim_Curran_(author)
- Currey, L(loyd) W(esley) (1942- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/currey_l_w
- Curry, Marian Stearns (1896-1973) (stories)
- First name sometimes spelled Marion.
- Curry, Tom [i.e., Thomas Albert Curry, Jr.] (1900-1976) (stories)
- See archiveswest.orbiscascade.org/ark:/80444/xv84823
- Curtis, Richard (Alan) (1937- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/curtis_richard_a
- Curtis, Sheryl (fl. 1990s-2010s) (stories)
- See www.sfwa.org/members/sherylcurtis/biography.html
- Curtis, Wardon Allan (1867-1940) (stories)
- See www.sf-encyclopedia.com/entry/curtis_wardon_allan
- Cuson ({c}1971- ) (stories) (art) (assoc.)
- See cuson.deviantart.com
- Cussler, Clive (Eric) (1931- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/cussler_clive
- Cutter, Leah R. (fl. 1990s-2010s) (stories) (assoc.)
- See www.leahcutter.com/biography
- Cuyegkeng, Elaine (1983- ) (stories)
- See www.rocketkapre.com/2011/cuyegkeng-elaine-author/
- Cypert, Victor (T.) (fl. 2010s) (stories)
- See victorcypert.com
- Cypess, Leah (fl. 2000s-2010s) (stories)
- See www.leahcypess.com
- Cyrano de Bergerac (1619-1655) (stories) (assoc.)
- See en.wikipedia.org/wiki/Cyrano_de_Bergerac
- Czajkowski, James Paul (1961- ) (stories)
- See en.wikipedia.org/wiki/James_Rollins
- Czerneda, Julie E. (1955- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/czerneda_julie_e
- da Costa, Paulo (fl. 1990s-2010s) (stories) (assoc.)
- See en.wikipedia.org/wiki/Paulo_da_Costa_(writer)
- da Cruz, Daniel (Jr.) (1921-1991) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/da_cruz_daniel
- Dabnor, Christian (fl. 2000s-2010s) (stories)
- See www.goodreads.com/author/show/5007887.Christian_Dabnor
- Daché, Lilly (1898-1989) (stories)
- See en.wikipedia.org/wiki/Lilly_Dach%C3%A9
- Daffern, Ian (fl. 2010s) (stories)
- See iandaffern.ca
- Dagorn, Armel (fl. 2010s) (stories)
- See armeldagorn.wordpress.com
- Dahl, Roald (1916-1990) (stories) (assoc.)
- See en.wikipedia.org/wiki/Roald_Dahl
- Dahlbom, Lyle (A.) (1916-1966) (stories)
- See www.findagrave.com/memorial/102465522
- Dain, Alex; pseudonym of Alex Lukeman (1941- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/dain_alex
- Daingerfield, Foxhall (Alexander) (1887-1933) (stories)
- Born in Harrisburg, Virginia.
- Dainton, Paul (fl. 1990s-2010s) (art)
- See piddy.artstation.com
- Dalby, Richard (1949-2017) (stories) (assoc.)
- See en.wikipedia.org/wiki/Richard_Dalby
- Daley, Brian C. (1947-1996) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/daley_brian_c
- Daley, Mary J. (fl. 2000s-2010s) (stories)
- See maryjdaley.wordpress.com
- Dalkin, Gary (fl. 1990s-2010s) (stories) (assoc.)
- See tothelastword.com
- Dallas, Paul V(ladimir Mifsud) (1921-1984) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/dallas_paul_v
- Dalmas, John; pseudonym of John Robert Jones (1926-2017) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/dalmas_john
- Dalrymple, Byron W(illiam) (1910-1994) (stories)
- Writer. Born in Fostoria, Michigan; lived in Texas.
- Dalrymple, Farel (1972- ) (stories)
- See en.wikipedia.org/wiki/Farel_Dalrymple
- Dalrymple, Scott (fl. 2000s-2010s) (stories)
- See www.lightspeedmagazine.com/authors/scott-dalrymple
- Dalton, Gilbert Lawford (1904-1963) (stories)
- See en.wikipedia.org/wiki/Gilbert_Lawford_Dalton
- Daly, Carroll John (1889-1958) (stories)
- Born in Yonkers, N.Y.
- Daly, Paul (fl. 2010s) (stories)
- See www.beneath-ceaseless-skies.com/authors/paul-daly/
- DAmato, Brian (1962- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/damato_brian
- DAmico, D(avid) A(nthony) (1962- ) (stories)
- See www.dadamico.com
- DAmico, Dean (1962- ) (stories)
- Twin brother of D. A. DAmico.
- Damkier, Mikael (fl. 2000s) (art)
- See www.dreamstime.com/mikdam_info
- DAmmassa, Don(ald Eugene) (1946- ) (stories)
- See www.sf-encyclopedia.com/entry/dammassa_don
- Dandridge, Doug (1957- ) (stories)
- See dougdandridge.com
- Dane, Clemence; pseudonym of Winifred Ashton (1888-1965) (stories)
- See www.sf-encyclopedia.com/entry/dane_clemence
- Danforth, Elizabeth T. (fl. 1970s-2010s) (stories) (art)
- See en.wikipedia.org/wiki/Liz_Danforth
- Dangerfield, Clinton; pseudonym of Ella Howard Bryan (1872-1954) (stories)
- See tellersofweirdtales.blogspot.co.uk/2011/05/clinton-dangerfield-1872-1954.html
- Daniel, David (1945- ) (stories) (assoc.)
- Chairman of English and Humanities Department at Newbury College in Massachusetts.
- Daniel, Lucius A. (fl. 1950s) (stories)
- Born in Birmingham, Alabama.
- Daniel, Tony (1963- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/daniel_tony
- Daniells, Rowena Cory; pseudonym of Rowena Cory Lindquist (1958- ) (stories) (assoc.)
- See www.rowena-cory-daniells.com/about
- Daniels, Gillian (fl. 2010s) (stories)
- See eatyourbooks.blogspot.co.uk
- Daniels, Karen (M.) (1957- ) (stories)
- See www.sf-encyclopedia.com/entry/daniels_karen
- Daniels, Keith Allen (1956-2001) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/daniels_keith_allen