- Reizenstein, Elmer L(eopold) (1892-1967) (stories)
- Born in New York City; graduate of New York Law School; worked as lawyers clerk in New York before publication of first play; contributed stories and articles to periodicals.
- Remic, Andy (fl. 2000s-2010s) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/remic_andy
- Remizov, Alexei Mikhailovich (1877-1957) (stories)
- See en.wikipedia.org/wiki/Aleksey_Remizov
- Remlinger, Paula Jane (fl. 2010s) (stories)
- See books4kids.ca/authors/paula-jane-remlinger/
- Renard, Joseph (1938- ) (stories)
- See www.sf-encyclopedia.com/entry/renard_joseph
- Renard, Maurice (1875-1939) (stories)
- See www.sf-encyclopedia.com/entry/renard_maurice
- Renaud, Joanne (fl. 2000s-2010s) (stories) (art)
- See www.joannerenaud.com
- Renay (fl. 2010s) (stories)
- See ladybusiness.dreamwidth.org
- Renn, David (fl. 2000s) (art)
- See www.davidrenn.com
- Rentz, Pamela (fl. 2010s) (stories)
- See www.pamrentz.com
- Renwick, A(lexandra) Camille (fl. 2000s-2010s) (stories)
- See alexcrenwick.com
- Reny, Ilona (fl. 2010s) (art)
- See www.ilonareny.com
- Repp, Anna (fl. 2010s) (art)
- See annarepp.com/about.htm
- Repp, Ed Earl (1900-1979) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/repp_ed_earl
- Reppion, John (Mark) (1978- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_Reppion
- Resnick, Mike [i.e., Michael Diamond Resnick] (1942- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/resnick_mike
- Revis, Beth (fl. 2010s) (stories) (assoc.)
- See en.wikipedia.org/wiki/Beth_Revis
- Rew, Juliana (fl. 2010s) (stories)
- See www.julianarew.com
- Rexner, Romulus (1920- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/rexner_romulus
- Reynaga, Christopher (fl. 1990s-2010s) (stories)
- See www.christopherreynaga.com
- Reynolds, Alastair (Preston) (1966- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/reynolds_alastair
- Reynolds, Anthony (fl. 2000s-2010s) (stories)
- See www.sf-encyclopedia.com/entry/reynolds_anthony
- Reynolds, Eric T. (fl. 2000s-2010s) (stories)
- See ericreynolds.livejournal.com
- Reynolds, John Murray (1900-1993) (stories)
- See tellersofweirdtales.blogspot.co.uk/2016/04/john-murray-reynolds-1900-1993.html
- Reynolds, Joshua (M.) (fl. 2000s-2010s) (stories) (assoc.)
- See joshuamreynolds.wordpress.com
- Reynolds, Mack [i.e., Dallas McCord Reynolds] (1917-1983) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/reynolds_mack
- Reynolds, Ted [i.e., Theodore Andrus Reynolds] (1938- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/reynolds_ted
- Reynolds, Tim(othy) (fl. 2010s) (stories) (assoc.)
- See www.tgmreynolds.com
- Reynolds-Ward, Joyce (fl. 1990s-2010s) (stories)
- See www.joycereynoldsward.com
- Rezmerski, John Calvin (1942-2016) (stories) (assoc.)
- See www.startribune.com/john-rezmerski-gustavus-adolphus-poet-and-professor-in-minnesota-dies/400149621/
- Rhei, Sofía (1978- ) (stories)
- See es.wikipedia.org/wiki/Sof%C3%ADa_Rhei
- Rheingold, Howard (E.) (1947- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/rheingold_howard
- Rhine, Louisa E(lla, née Weckesser) (1891-1983) (stories) (assoc.)
- See en.wikipedia.org/wiki/Louisa_E._Rhine
- Rhinehart, Luke; pseudonym of George Powers Cockroft (1932- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/rhinehart_luke
- Rhodes, Danny (fl. 2000s-2010s) (stories)
- See www.dannyrhodes.net
- Rhodes, S. Clayton (fl. 2000s-2010s) (stories)
- See sclaytonrhodes.com
- Rhodes, W(illiam) H(enry) (1822-1876) (stories)
- See www.sf-encyclopedia.com/entry/rhodes_w_h
- Ribeiro, Tânia Sousa (fl. 2010s) (art)
- See fallenstar666.deviantart.com
- Ricard, Ishki (fl. 2010s) (stories)
- See strangehorizons.com/author/ishki-richards/
- Rice, Christopher (1978- ) (stories) (assoc.)
- Son of novelist Anne Rice and poet Stan Rice.
- Rice, Elmer L.; pseudonym of Elmer L. Reizenstein (1892-1967) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/rice_elmer
- Rice, Louise (Guest) (1880-?) (stories)
- Born in New Albany, Indiana; graphologist; contributed to magazines; syndicated features articles to newspapers; lived in New York City.
- Rice, Stephen M. (1955- ) (art)
- See www.stephenrice.net
- Richards, Carla (fl. 2010s) (stories)
- See www.carlarichards.net
- Richards, Guy (1905-1979) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/richards_guy
- Richards, Horace G(ardiner) (1906-1984) (stories) (assoc.)
- See dla.library.upenn.edu/dla/pacscl/ead.html?id=PACSCL_ANSP_ANSP2010062
- Richards, Joel; pseudonym of Joel Richard Fruchtman (1937- ) (stories)
- See www.sf-encyclopedia.com/entry/richards_joel
- Richards, Justin (1961- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/richards_justin
- Richards, Laura E(lizabeth Howe) (1850-1943) (stories)
- Born in Boston.
- Richards, Marcia (fl. 2010s) (stories)
- See marciaarichards.com
- Richards, Ted (fl. 1970s-2000s) (stories) (assoc.)
- See www.tedrichards.net
- Richardson, Adam C. (fl. 2010s) (stories)
- See www.adamcrichardson.com
- Richardson, Bill (1955- ) (stories)
- See en.wikipedia.org/wiki/Bill_Richardson_(radio)
- Richardson, Frederick (1862-1937) (stories)
- See en.wikipedia.org/wiki/Frederick_Richardson
- Richardson, Kimberly (fl. 2010s) (stories)
- See www.entertheimaginarium.com/kimberly-richardson/
- Richardson, Leonard (Dalton) (fl. 2000s-2010s) (stories)
- See www.crummy.com
- Richardson, Maurice (Lane) (1907-1978) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/richardson_maurice
- Richepin, Jean (1849-?) (stories)
- See www.sf-encyclopedia.com/entry/richepin_jean
- Richildis, Ranylt (fl. 2010s) (stories)
- See ranylt.wordpress.com
- Richmond, Leigh (Tucker) (1911-1995) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/richmond_leigh
- Richmond, Walt(er F.) (1922-1977) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/richmond_walt
- Richter, Larry (1949-2014) (stories) (art) (assoc.)
- See www.legacy.com/obituaries/louisville/obituary.aspx?pid=171737328
- Rickert, M(ary Beth) (1959- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/M._Rickert
- Rickman, Gregg (fl. 1980s-2000s) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/rickman_gregg
- Rickman, Phil(ip) ({c}1950- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Phil_rickman
- Rico, Don(ato Francisco, II) (1912-1985) (art)
- See en.wikipedia.org/wiki/Don_Rico
- Ridd, Annie (fl. 2000s-2010s) (art)
- See www.annieridd.co.uk
- Riddle, Charles Lee (1923-1968) (stories)
- See fancyclopedia.org/lee-riddle
- Ridgway, John (1940- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_Ridgway_(comics)
- 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
- Rigney, Mark (fl. 2000s-2010s) (stories)
- See www.markrigney.net
- Rihn, Gregory (G.) H. (fl. 1970s-1980s) (stories)
- See milwaukeesfs.livejournal.com
- 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, R. Thomas (fl. 2000s) (stories) (assoc.)
- See rthomasriley.bravesites.com
- Rimel, Duane W(eldon) (1915-1996) (stories) (art)
- See www.sf-encyclopedia.com/entry/rimel_duane_w
- Rimsky, Feodor (Konstantin) (1898-1976) (art)
- See www.feodorrimsky.com/Bio/
- Rios, Alina (fl. 2010s) (stories)
- See www.alinarios.com
- Rios, Julia (fl. 2010s) (stories) (assoc.)
- See www.juliarios.com
- Rippington, Geoff(rey David) (1954- ) (stories) (assoc.)
- See www.rippington.me.uk/indiI2804.html
- Ristow, Rich (1974- ) (stories)
- See richristow.wordpress.com
- Ristuccia, Michelle (fl. 2010s) (stories)
- See wakingdreamsblog.blogspot.co.uk/p/about.html
- Ritchie, Jack; pseudonym of John George Reitci (1922-1983) (stories)
- See en.wikipedia.org/wiki/Jack_Ritchie
- Ritchie, Paul (Fraser) (1923-1996) (stories)
- See www.sf-encyclopedia.com/entry/ritchie_paul
- 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
- Rives, Amélie (Louise, Princess Troubetzkoy) (1863-1945) (stories)
- See en.wikipedia.org/wiki/Am%C3%A9lie_Rives_Troubetzkoy
- 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)
- 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
- Robb, Brian J. (fl. 1980s-2010s) (stories) (assoc.)
- See brianjrobb.wordpress.com
- Robb, James T. (fl. 2010s) (stories) (art) (assoc.)
- See jamestrobb.blogspot.co.uk
- 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