- Ridley, Arnold (1896-1984) (stories) (assoc.)
- Born in Bath; educated at Bristol University; schoolmaster turned actor and dramatist.
- Ridley, Florida Ruffin (1861-1943) (stories)
- See www.meadville.edu/uploads/files/218.pdf
- Ridley, (Cecil) Guy (1885-1947) (stories) (assoc.)
- See en.wikipedia.org/wiki/Guy_Ridley
- Riekki, Ron (fl. 2010s) (stories)
- See rariekki.webs.com
- Ries, Ali(ce) ({c}1955- ) (stories) (art) (assoc.)
- See casperium.deviantart.com
- Rieseberg, [Lieut.] Harry E(arl) (1892-1970) (stories)
- Underwater expert, authority on treasure wrecks, prolific writer. Born in Washington, D.C.; died in Paradise, California.
- Riesenberg, Felix (1879-1939) (stories)
- Born in Milwaukee; educated at Columbia University. Seaman, explorer, engineer.
- Riesenberg, Sidney H(arry) (1885-1971) (art)
- See pulpartists.com/Riesenberg.html
- Riess, Curt (1902-1993) (stories)
- Born in Germany; newspaper correspondent.
- Rigg, Jennifer (1939- ) (stories)
- Born in England, living in Toronto in the 1970s.
- Riggs, Arthur Stanley (1879-1952) (stories)
- Author, editor, archaeologist, historian, retired naval officer. Born in Cranford, New Jersey; died in Washington, D.C.
- Riggs, Luther Granger (1837-1891) (stories)
- See ctstatelibrary.org/wp-content/uploads/2015/04/connector2013Novv15n4.pdf
- Riggs, Robert (1896-1970) (stories) (art) (assoc.)
- See collection.terraamericanart.org/view/people/asitem/items$0040null:34/0
- Rigney, Mark (fl. 2000s-2010s) (stories)
- See www.markrigney.net
- Rihn, Gregory (G.) H. (fl. 1970s-1980s) (stories)
- See milwaukeesfs.livejournal.com
- Riis, [Commander] S(ergius) M(artin) (1883-?) (stories)
- Former U. S. Naval attache in Russia.
- Riley, Christian (fl. 2010s) (stories)
- See frombehindthebluedoor.wordpress.com
- Riley, David A(ndrew) (fl. 1970s-2010s) (stories) (art)
- See davidandrewriley.blogspot.co.uk
- Riley, David B. (fl. 1980s-2010s) (stories)
- See sftrails.blogspot.co.uk
- Riley, Frank; pseudonym of Frank Rhylick (1915-1996) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/riley_frank
- Riley, Ken(neth Pauling) (1919-) (art)
- Born in Waverly, Missouri.
- Riley, Patrick (fl. 2000s) (stories)
- Born in England, the son of Irish parents; graduated from Manchester University in 1970, where he read medicine; latterly a medical consultant.
- Riley, R. Thomas (fl. 2000s) (stories) (assoc.)
- See rthomasriley.bravesites.com
- Riley, Rob (fl. 2010s) (stories)
- See robrileysnovels.net
- Rilke, Rainer Maria [i.e., René Karl Wilhelm Johann Josef Maria Rilke] (1875-1926) (stories) (assoc.)
- See en.wikipedia.org/wiki/Rainer_Maria_Rilke
- Rimel, Duane W(eldon) (1915-1996) (stories) (art)
- See www.sf-encyclopedia.com/entry/rimel_duane_w
- Rimmer, Robert H(enry) (1917-2001) (stories)
- See www.sf-encyclopedia.com/entry/rimmer_robert_h
- Rimsky, Feodor (Konstantin) (1898-1976) (art)
- See www.feodorrimsky.com/Bio/
- Rinehart, Stanley M(arshall), Jr. (1897-1969) (stories)
- See en.wikipedia.org/wiki/Stanley_Rinehart_Jr.
- Ring, Blanche (1871-1961) (stories)
- See en.wikipedia.org/wiki/Blanche_Ring
- Riordan, Rick [i.e., Richard Russell Riordan, Jr.] (1964- ) (stories)
- Middle school English teacher in Texas.
- Rios, Alina (fl. 2010s) (stories)
- See www.alinarios.com
- Rios, Julia (fl. 2010s) (stories) (assoc.)
- See www.juliarios.com
- Ripley, A(iden) L(assell) (1896-1969) (art)
- See www.tfaoi.com/aa/8aa/8aa148.htm
- Ripley, Alexandra (1934-2004) (stories) (assoc.)
- See en.wikipedia.org/wiki/Alexandra_Ripley
- Ripley, Clements (1892-1954) (stories)
- Fiction writer, screenwriter, playwright, sportsman. Born in Tacoma, Washington; lived in Los Angeles.
- Ripley, Ron (fl. 2010s) (stories) (assoc.)
- See www.jollypublisher.com/RonRipley
- Ripley, Sherman (1889-1959) (stories)
- See www.findagrave.com/memorial/106882735/george-sherman-ripley
- Rippington, Geoff(rey David) (1954- ) (stories) (assoc.)
- See www.rippington.me.uk/indiI2804.html
- Riseley, Harry Milton (1874-1937) (stories)
- See www.findagrave.com/memorial/55635336/harry-milton-riseley
- Risenberg, Sidney H(arry) (1885-1971) (art)
- See en.wikipedia.org/wiki/Sidney_Riesenberg
- Ristori, Adelaide (1822-1906) (stories) (assoc.)
- See en.wikipedia.org/wiki/Adelaide_Ristori
- Ristow, Rich (1974- ) (stories)
- See richristow.wordpress.com
- Ristuccia, Michelle (fl. 2010s) (stories)
- See wakingdreamsblog.blogspot.co.uk/p/about.html
- Rita; pseudonym of Eliza Margaret Jane Gollan Humphreys (1856-1938) (stories)
- See www.sf-encyclopedia.com/entry/rita
- Ritchie, Alick P. F. [i.e., Alexander (Alick) Penrose Forbes Ritchie] (1868-1938) (stories) (art) (assoc.)
- See www.npg.org.uk/collections/search/person/mp07891/alexander-alick-penrose-forbes-ritchie
- Ritchie, Anne Isabella [i.e., Anne Isabella, Lady Ritchie, née Thackeray] (1837-1919) (stories) (assoc.)
- See en.wikipedia.org/wiki/Anne_Isabella_Thackeray_Ritchie
- Ritchie, Barbara (Jean B.) Logie ({c}1861-1941) (stories)
- Born in Ireland; died in Surrey, England.
- Ritchie, C(harles) T(homson, 1st Baron Ritchie of Dundee) (1838-1906) (stories) (assoc.)
- See en.wikipedia.org/wiki/Charles_Ritchie,_1st_Baron_Ritchie_of_Dundee
- Ritchie, Jack; pseudonym of John George Reitci (1922-1983) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jack_Ritchie
- Ritchie, [Sir] Lewis (Anselm da Costa) (1886-1967) (stories)
- Born in London; birth name was Ricci, but anglicized to Ritchie by deed poll in 1941; served in Royal Navy from 1901 until WWII; retired as Captain of the royal yacht Victoria and Albert; press secretary 1944-1947 to King George VI.
- Ritchie, M(ajor) J(osiah) G(eorge) (1870-1955) (stories)
- See en.wikipedia.org/wiki/Major_Ritchie
- Ritchie, Paul (Fraser) (1923-1996) (stories)
- See www.sf-encyclopedia.com/entry/ritchie_paul
- Ritchie, Robert Welles (1879-1942) (stories)
- Journalist, novelist, adventurer. Born in Quincy, Illinois; died in Carmel, California.
- Ritson, Joseph (1752-1803) (stories)
- See en.wikipedia.org/wiki/Joseph_Ritson
- Ritson, [Lady] Kitty (Edith Blanche Ogilvy) (1887-1969) (stories)
- Born in London; educated privately; lived in Surrey.
- Rittenberg, Max (1880-1965) (stories)
- Mail order expert, worked in advertising; fairly prolific writer for Munsey magazines, traveller. Born in Sydney, Australia; educated at Cambridge College, England.
- Rittenberg, Sidney (1892-?) (stories)
- Journalist. Born and lived in Charleston, South Carolina.
- River, Uncle; pseudonym of Stephen Kaufman (1947- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/river_uncle
- Rivera, K. Arsenault (fl. 2010s) (stories)
- See karsenaultrivera.com
- Rivera, Lilliam (fl. 2010s) (stories) (assoc.)
- See www.lilliamrivera.com
- Rivera, Mercurio D. (fl. 2000s-2010s) (stories) (assoc.)
- See mercuriorivera.com
- Rivers, Caryl (1937- ) (stories)
- See en.wikipedia.org/wiki/Caryl_Rivers
- Rivers, Pearl; pseudonym of Eliza Poitevent Nicholson (1843-1896) (stories) (art)
- See en.wikipedia.org/wiki/Pearl_Rivers
- Rives, Amélie (Louise, Princess Troubetzkoy) (1863-1945) (stories)
- See en.wikipedia.org/wiki/Am%C3%A9lie_Rives_Troubetzkoy
- Rives, Hallie Erminie [i.e., Hallie Erminie Rives Wheeler] (1876-1956) (stories)
- Born in Christian County, Kentucky.
- Rizzo, Frank [i.e., Francis Lazarro Rizzo, Sr.] (1920-1991) (stories)
- See en.wikipedia.org/wiki/Frank_Rizzo
- Ro, Christine (fl. 2010s) (stories)
- See www.christinero.com
- Ro, Janet C. (fl. 2010s) (stories)
- See janetcro.blogspot.co.uk
- Roan, Tom [i.e., Thomas B. Roan] (1894-1958) (stories) (assoc.)
- Born in Snead, Alabama; died in New Jersey; former peace officer who grew up in Alabama; prolific author of western stories for the pulps.
- Roanhorse, Rebecca (1971- ) (stories) (assoc.)
- See rebeccaroanhorse.wordpress.com
- Robards, Karen (1954- ) (stories)
- See en.wikipedia.org/wiki/Karen_Robards
- Robb, Brian J. (fl. 1980s-2010s) (stories) (assoc.)
- See brianjrobb.wordpress.com
- Robb, Candace M. (1950- ) (stories)
- Living in Seattle.
- Robb, James T. (fl. 2010s) (stories) (art) (assoc.)
- See jamestrobb.blogspot.co.uk
- Robbe-Grillet, Alain (1922-2008) (stories) (assoc.)
- See en.wikipedia.org/wiki/Robbe-Grillet
- Robbins, Charles H. D. (1904-1988) (stories)
- See www.nytimes.com/1988/12/10/obituaries/charles-h-d-robbins-writer-84.html
- Robbins, Clarence Aaron (1888-1949) (stories)
- Born in Brooklyn; graduate of Brooklyn Polytechnic Institute and Washington & Lee University; died in St. Jean, Cap Ferrat, Alpes Martimes, France, and buried in Nice.
- Robbins, David (Lawrence) (1950- ) (stories)
- See www.sf-encyclopedia.com/entry/robbins_david
- Robbins, Harold; pseudonym of Harold Rubin (1912-1997) (stories) (assoc.)
- See en.wikipedia.org/wiki/Harold_Robbins
- Robbins, Jhan (1919-1996) (stories)
- See www.nytimes.com/1996/10/06/nyregion/jhan-robbins-76-wrote-biographies.html
- Robbins, L(eonard) H(arman) (1877-1947) (stories)
- See prabook.org/web/person-view.html?profileId=1086877
- Roberson, Chris [i.e., John Christian Roberson] (1970- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/roberson_chris
- Roberts, Adam (1965- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/roberts_adam
- Roberts, Arthur (1852-1933) (stories) (assoc.)
- See en.wikipedia.org/wiki/Arthur_Roberts_(comedian)
- Roberts, Bruce (Stuart) (1930- ) (stories) (art)
- See en.wikipedia.org/wiki/Bruce_Roberts_(photographer)
- Roberts, Byron A. (fl. 2010s) (stories)
- See byronbalsagoth.wordpress.com
- Roberts, C(arl) E(ric) Bechhofer (1894-1949) (stories)
- See www.sf-encyclopedia.com/entry/roberts_bechhofer
- Roberts, Chalmers (1870?-1949) (stories)
- See bearalley.blogspot.co.uk/2015/08/caught-in-act-henry-chalmers-roberts.html
- Roberts, [Sir] Charles G(eorge) D(ouglas) (1860-1943) (stories) (assoc.)
- See en.wikipedia.org/wiki/Charles_G._D._Roberts
- Roberts, Dorothy James (1903-1990) (stories)
- Born in Elizabeth, West Virginia.
- Roberts, Elizabeth Gostwycke (1864-1922) (stories)
- See w3.stu.ca/stu/sites/nble/m/macdonald_jane_elizabeth.html
- Roberts, Elizabeth Madox (1886-1941) (stories) (assoc.)
- See en.wikipedia.org/wiki/Elizabeth_Madox_Roberts
- Roberts, Ellis (William) (1860-1930) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ellis_William_Roberts
- Roberts, F(rederick) J(ohn) (1882-1964) (stories)
- See www.thetimes.co.uk/article/lieutenant-colonel-frederick-roberts-vwv5rmdz7m9
- Roberts, Frederick (Sleigh, 1st Earl Roberts) (1832-1914) (stories) (assoc.)
- See en.wikipedia.org/wiki/Frederick_Roberts,_1st_Earl_Roberts