- Colón, Ernie (1931-2019) (stories) (art)
- See www.lambiek.net/artists/c/colon_ernie.htm
- Colquhoun, Archibald R(oss) (1848-1914) (stories)
- See en.wikipedia.org/wiki/A._R._Colquhoun
- Colston, [General] R(aleigh) E(dward) (1825-1896) (stories)
- See en.wikipedia.org/wiki/Raleigh_E._Colston
- Colter, Eli; pseudonym of May Eliza Frost (1890-1984) (stories)
- See tellersofweirdtales.blogspot.com/2012/05/eli-colter-1890-1984.html
- Colter, Liz (Deni) (fl. 2010s) (stories)
- See www.lizcolter.com
- Colton, John (1889-1946) (stories) (assoc.)
- Born in Yokohama, Japan, son of the British Consul there; drama critic for Minneapolis Tribune; playwright; contributor to magazines; originated many stories for films.
- Colvill, Helen Hester (1854-1941) (stories)
- See www.victorianresearch.org/atcl/show_author.php?aid=1068
- Colvin, Ian (Goodhope) (1912-1975) (stories)
- See www.sf-encyclopedia.com/entry/colvin_ian
- Colvin, James; pseudonym of Michael Moorcock (1939- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/colvin_james
- Colvin, [Sir] Sidney (1845-1927) (stories)
- See en.wikipedia.org/wiki/Sir_Sidney_Colvin
- Colwell, Mathias (G. B.) (fl. 2010s) (stories)
- See www.melange-books.com/authors/mathiasgbcolwell/index.html
- Colwin, Laurie (1944-1992) (stories)
- See en.wikipedia.org/wiki/Laurie_Colwin
- Colyott, Charles (fl. 2010s) (stories) (assoc.)
- See charlescolyott.wordpress.com/about
- Colyton, Henry John (fl. 1940s-1950s) (stories)
- Writer. Born in Ohio.
- Combe, William (1741-1823) (stories)
- See ebooks.adelaide.edu.au/c/combe/william/
- Comber, Leon (1921- ) (stories)
- Graduate of London Universitys School of Oriental Studies; lived and worked for many years in Singapore and Hong Kong.
- Combes, Helen (1864-1949) (stories)
- Journalist, writer and poet. Born in England; died in Los Angeles, California.
- Combs, Earle (Bryan) (1899-1976) (stories)
- See en.wikipedia.org/wiki/Earle_Combs
- Combs, Jeffrey (Alan) (1954- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jeffrey_Combs
- Combs, Samantha (fl. 2010s) (stories)
- See samanthacombswrites.blogspot.co.uk
- Comeau, Joey (1980- ) (stories)
- See en.wikipedia.org/wiki/Joey_Comeau
- Comfort, Alex(ander) [MB., D.SC.] (1920-2000) (stories) (assoc.)
- See en.wikipedia.org/wiki/Alex_Comfort
- Comfort, Jane Levington (1903-1996) (stories)
- See janeandpaulannixter.ponymadbooklovers.co.uk
- Comfort, Lucy (Ann) Randall (1836-1914) (stories)
- Contributed to The New York Ledger and The Fireside Companion; died in New York City.
- Comfort, Will Levington (1878-1932) (stories)
- Born in Kalamazoo, Michigan; novelist and short story writer; war correspondent for various newspapers; sportsman; veteran of Spanish-American War; died in Los Angeles, California.
- Commerell, [Sir] John Edmund (1829-1901) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_Edmund_Commerell
- Compton, Arthur Holly (1892-1962) (stories) (assoc.)
- See en.wikipedia.org/wiki/Arthur_Compton
- Compton, D(avid) G(uy) (1930- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/compton_d_g
- Compton, Fay [i.e., Virginia Lilian Emmeline Compton-Mackenzie] (1894-1978) (stories) (assoc.)
- See en.wikipedia.org/wiki/Fay_Compton
- Compton, Herbert (Eastwick) (1853-1906) (stories)
- World traveler; lived in India for 22 years; committed suicide at sea on his way to Madeira.
- Compton, Stoney [i.e., Leonard W Compton] (fl. 1990s-2010s) (stories)
- See www.sf-encyclopedia.com/entry/compton_stoney
- Compton-Rickett, Arthur (1869-1937) (stories)
- Born in London; barrister; lecturer in English literature, as well as lecturer for a lecture bureau on popular literacy and historical subjects throughout England.
- Comstock, Anthony (1844-1915) (stories) (assoc.)
- See en.wikipedia.org/wiki/Anthony_Comstock
- Comtois, Pierre V. (fl. 1980s-2010s) (stories)
- See bypierrecomtois.webs.com
- Comyn, Marian [born Marian Skinner] (1861-1938) (stories)
- Born in Worcestershire, England; married solicitor Henry Ernest Fitzwilliam Comyn in 1884; died in Surrey.
- Conan, James A. (fl. 2010s) (stories)
- See jamesconanblog.wordpress.com
- Conant, Howell (1916-1999) (art)
- See en.wikipedia.org/wiki/Howell_Conant
- Conarain, (Alice) Nina (1898-1982) (stories)
- See en.wikipedia.org/wiki/Elizabeth_Hoy
- Condé, J. M. (fl. 1890s-1910s) (stories) (art)
- See en.wikipedia.org/wiki/J._M._Cond%C3%A9
- Condo, (Armundo Dreisbach) A.D. (1872-1956) (stories)
- See en.wikipedia.org/wiki/A.D._Condo
- Condon, Frank (1882-1940) (stories)
- Born in Toledo, Ohio and a reporter there; advertising man in NYC; then screenwriter and magazine writer in L.A.; died in Beverly Hills, California
- Condon, Katie (fl. 2010s) (stories)
- See www.katiecondonpoetry.com
- Condon, Richard (Thomas) (1915-1996) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/condon_richard
- Condy, Esmond (1888-1962) (stories)
- Born in Wandsworth, London, England; died in London.
- Cone, Helen Gray (1859-1934) (stories)
- See en.wikipedia.org/wiki/Helen_Gray_Cone
- Conesa, Lisa (fl. 1970s) (stories) (art) (assoc.)
- See fancyclopedia.org/lisa-conesa
- Coney, Michael G(reatrex) (1932-2005) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/coney_michael_g
- Congdon, Charles T(aber) (1821-1891) (stories)
- See pfaffs.web.lehigh.edu/node/54215
- Congreve, William (1670-1729) (stories)
- See en.wikipedia.org/wiki/William_Congreve
- Conine, (Odie) Ernest (1925- ) (stories)
- Writer and journalist. Born in Dallas, Texas; lives in Los Angeles, California.
- Conine, R. A. (fl. 1990s-2010s) (stories)
- See www.raconine.com
- Conklin, Edwin G., Ph.D. (1863-1952) (stories)
- Professor of Zoology, University of Pennsylvania.
- Conklin, (Edward) Groff (1904-1968) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/conklin_groff
- Conkling, Hilda (1910-1986) (stories)
- See en.wikipedia.org/wiki/Hilda_Conkling
- Conley, Jen (fl. 2010s) (stories)
- See www.jenconley.net
- Conley, Walter (fl. 2010s) (stories) (art)
- See katharinehepcat.wordpress.com/walter-conley/
- Conlon, Christopher (fl. 1980s-2010s) (stories) (assoc.)
- See christopherconlon.com
- Connard, Philip (1875-1958) (art)
- See en.wikipedia.org/wiki/Philip_Connard
- Connell, Alan (Herbert) (1916-?) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/connell_alan
- Connell, John A. (fl. 2010s) (stories)
- See johnaconnell.com
- Connell, Richard (Edward) (1893-1949) (stories)
- Born in Poughkeepsie, New York; educated at Harvard and Georgetown Universities; began writing for the Poughkeepsie News-Press while a child and rose to city editor; graduated from Harvard; reporter and advertising copywriter; novelist, prolific short story writer and screenwriter.
- Connell, Vivian (Cecil Francis St. John) (1905-1981) (stories)
- Self-educated Irish playwright and novelist, born in Cork.
- Connelly, George L. (1908- ) (stories) (art)
- Born in Westtown, Pennsylvania.
- Connelly, J(ames) H(enderson) (1840-1903) (stories)
- See www.sf-encyclopedia.com/entry/connelly_j_h
- Connelly, Sam Wolfe (1988- ) (art)
- See samwolfeconnelly.com
- Conner, Michael (1951- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/conner_michael
- Connery, Sean (1930- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sean_Connery
- Connington, J. J.; pseudonym of Alfred Walter Stewart (1880-1947) (stories)
- See www.sf-encyclopedia.com/entry/connington_j_j
- Connolly, Cyril (Vernon) (1903-1974) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/connolly_cyril
- Connolly, James B(rendan) (1868-1957) (stories) (assoc.)
- Author of sea stories, 1896 Olympic champion (gold metal in the triple jump). Born in South Boston, Massachusetts; died in Boston, Massachusetts.
- Connolly, John (1968- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/connolly_john
- Connolly, Lawrence C. (fl. 1980s-2010s) (stories)
- See lawrencecconnolly.com
- Connolly, Tina (fl. 2000s-2010s) (stories) (assoc.)
- See tinaconnolly.com
- Connolly, Vera L(eona) (1888-1964) (stories)
- See www.columbia.edu/cu/lweb/archival/collections/ldpd_4078648/
- Connor, Brevard Mays (1888-1952) (stories)
- Texas writer.
- Connor, Buck (1881-?) (stories)
- Texas ranger, trick roper with Pawnee Bills Wild West Show until it merged with Buffalo Bills Wild West Show. Born in San Sabe County, Texas.
- Connor, Russell C. (1979- ) (stories)
- See darkfilament.com
- Connors, Adam (fl. 2010s) (stories)
- See commapress.co.uk/authors/adam-connors
- Conquest, Joan; pseudonym of Mary Eliza Louise Cooke (1883-1941) (stories)
- See www.sf-encyclopedia.com/entry/conquest_joan
- Conquest, (George) Robert (Ackworth) (1917-2015) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/conquest_robert
- Conrad, Barnaby (Jr.) (1922-2013) (stories) (assoc.)
- Author; secretary to Sinclair Lewis; also worked as an artist and diplomat. Born in San Francisco, California.
- Conrad, Hy; pseudonym of Gary Paul Sensenig (1950- ) (stories)
- though hes been mostly known as Conrad for decades and prefers that name.
- Conrad, Joseph; pseudonym of Teodor Josef Konrad Korzeniowski (1857-1924) (stories) (assoc.)
- See en.wikipedia.org/wiki/Joseph_Conrad
- Conrad, Peter (1948- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/conrad_peter
- Conrey, Lee (1883-1976) (art)
- See illustrationart.blogspot.com/2012/12/lee-conrey-1883-1976.html
- Conroy, Rick [i.e., Richard Conroy] (fl. 1950s) (stories)
- See www.sf-encyclopedia.com/entry/conroy_rick
- Conroy, Robert (1938-2014) (stories) (assoc.)
- See en.wikipedia.org/wiki/Robert_Conroy
- Considine, John L(yons) (1871-1951) (stories)
- See genealogytrails.com/nev/carson/bios/considinejohn.html
- Consolmagno, Brother Guy, S.J. (1952- ) (stories)
- See en.wikipedia.org/wiki/Guy_Consolmagno
- Constable, Frank Challice (1846-1937) (stories)
- See www.sf-encyclopedia.com/entry/constable_frank_challice
- Constable, John (1776-1837) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_Constable
- Constanduros, Mabel (Tilling) (1880-1957) (stories)
- Born in London; made her reputation in a series of sketches for the BBC; actress, principally on the stage.
- Constant, Alphonse Louis (1810-1875) (stories)
- See en.wikipedia.org/wiki/%C3%89liphas_L%C3%A9vi
- Constantine, David (John) (1944- ) (stories)
- See en.wikipedia.org/wiki/David_Constantine
- Constantine, Liv; pseudonym of Lynne Constantine (fl. 2010s) & Valerie Constantine (fl. 2010s) (stories) (assoc.)
- See livconstantine.com
- Constantine, Lynne (fl. 2010s) (stories)
- See lynneconstantine.com