- Rohr, J. (fl. 2010s-2020s) (items) (chron.)
- See honestyisnotcontagious.com
- Rohrbacher, Chad (fl. 2010s) (items) (chron.)
- See rohrbacher.wordpress.com
- Roland, Charles (fl. 2010s) (items) (chron.)
- See charlesrolandauthor.com
- Roland, Mark (fl. 1970s-2010s) (items) (chron.)
- See www.rolandscapes.com
- Roland, Rebecca (fl. 2000s-2020s) (items) (chron.)
- See rebeccarolandwriter.blogspot.co.uk
- Rolando, Cyril (1984- ) (items) (chron.)
- See aquasixio.deviantart.com
- Rolfe, Frederick (William Serafino Austin Lewis Mary, “Baron Corvo”) (1860-1913) (items)
- See en.wikipedia.org/wiki/Frederick_Rolfe
- Rolfe, Glenn (fl. 2010s) (items) (chron.)
- See glennrolfe.com
- Rolfe, Guy; [born Edwin Arthur Rolfe] (1911-2003) (items)
- See en.wikipedia.org/wiki/Guy_Rolfe
- Rolfe, Sam(uel Harris) (1924-1993) (items)
- See en.wikipedia.org/wiki/Sam_Rolfe
- Rollin, Jean; [i.e., Jean Michel Rollin Roth Le Gentil] (1938-2010) (items)
- See en.wikipedia.org/wiki/Jean_Rollin
- Rollinat, Maurice (1846-1903) (items) (chron.)
- See en.wikipedia.org/wiki/Maurice_Rollinat
- Rollins, James; pseudonym of James Paul Czajkowski (1961- ) (items) (chron.)
- See en.wikipedia.org/wiki/James_Rollins
- Rollins, William (Stacy), Jr. (1897-1950) (items) (chron.)
- Born in Belmont, Massachusetts; served in American Ambulance Unit in WWI; later living in New York City; magazine writer.
- Rollo, Gord (1967- ) (items) (chron.)
- See gordrollo.com
- Rom, Edward E. (1950-2012) (items) (chron.)
- See www.mankatofreepress.com/obituaries/article_6a77eb04-8de1-59a2-b2d8-f25022fb049b.html
- Roman, Tori K. (fl. 2010s) (items) (chron.)
- See to-ka-ro.deviantart.com
- Roman3d; pseudonym of Roman Litvin (fl. 2020s) (items) (chron.)
- See www.deviantart.com/roman3d
- Romanko, Karen A. (fl. 2000s-2010s) (items) (chron.)
- See karenaromanko.com
- Romanoff, Alexander Nicholayevitch (1881-1945); used pseudonym Achmed Abdullah (items) (chron.)
- See en.wikipedia.org/wiki/Achmed_Abdullah
- Romanovsky, Daniel (fl. 2010s) (items) (chron.)
- See formlanguage.cgsociety.org
- Romasco-Moore, Maria (fl. 2010s-2020s) (items) (chron.)
- See mariaromascomoore.com
- Rome, Alger; pseudonym of Jerome Bixby & Algis Budrys (fl. 1950s) (items) (chron.)
- See www.sf-encyclopedia.com/entry/rome_alger
- Rome, David; pseudonym of David Boutland (1938- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/rome_david
- Romer, A(lfred) S(herwood) (1894-1973) (items)
- See en.wikipedia.org/wiki/Alfred_Romer
- Romero, George A(ndrew) (1940-2017) (items)
- See en.wikipedia.org/wiki/George_A._Romero
- Romero, Tamara (fl. 2010s) (items) (chron.)
- See tamararomero.wordpress.com
- Rommel, Alex (fl. 2020s) (items) (chron.)
- See www.artstation.com/aerroscape
- Romney, Rebecca (fl. 2010s-2020s) (items) (chron.)
- See rebeccaromney.com
- Rómulo, Carlos P(eña) (1898-1985) (items) (chron.)
- See en.wikipedia.org/wiki/Carlos_P._Romulo
- Ronald, Bruce W(alton) (1931- ) (items) (chron.)
- See www.sf-encyclopedia.com/entry/ronald_bruce_w
- Roney, Judith (fl. 2010s) (items) (chron.)
- See eljpublications.com/our-authors/judith-roney
- Roof, Katharine Metcalf (1871-1950s) (items) (chron.)
- See desturmobed.blogspot.com/2019/04/katharine-metcalf-roof.html
- Ropes, Arthur Reed (1859-1933) (items)
- Born in Lewisham, London; died in Kensington, London; educated at King’s College, Cambridge; better known as a prolific lyricist for musical comedies under the pseudonym Adrian Ross. Brother of Mary E. Ropes.
- Rorvik, David (Michael) (1944- ) (items) (chron.)
- See en.wikipedia.org/wiki/David_Rorvik
- Rosaire, Forrest (1902-1977) (items) (chron.)
- Born in Chicago; for some years an oil explorer, then short story writer in California.
- Rosberg, Caitlín (fl. 2010s) (items) (chron.)
- See www.avclub.com/author/crosberg
- Roscoe, Theodore (1906-1992) (items) (chron.)
- See pulpflakes.blogspot.com/2012/08/TheodoreRoscoe.html
- Rose, Adrienne E. (fl. 2000s-2020s); used pseudonym Rie Sheridan Rose (items) (chron.)
- See riewriter.com
- Rose, Augustus (fl. 2010s) (items)
- See augustusrose.me
- Rose, Christopher Mark (fl. 2010s-2020s) (items) (chron.)
- See curiousful.wordpress.com
- Rose, David (1949- ) (items) (chron.)
- See nightjarpress.weebly.com/david-rose.html
- Rose, Gabrielle (fl. 2010s) (items) (chron.)
- See drawgabbydraw.tumblr.com
- Rose, Ian C. (fl. 2010s) (items) (chron.)
- See sites.google.com/a/newmyths.com/nmwebsite/contributors/ian-rose
- Rose, Julia Still (fl. 2010s-2020s) (items) (chron.)
- See juliastillrose.wordpress.com
- Rose, Julie K. (fl. 2010s) (items) (chron.)
- See www.juliekrose.com
- Rose, Lisa Lanser (fl. 2020s) (items) (chron.)
- See lisalanserrose.com
- Rose, Lloyd (fl. 1980s-2010s) (items)
- See en.wikipedia.org/wiki/Lloyd_Rose
- Rose, Martin (fl. 2000s-2010s) (items) (chron.)
- See martinrose.org
- Rose, Michael Allen (fl. 2010s-2020s) (items) (chron.)
- See bizarrocentral.com/tag/michael-allen-rose
- Rose, Mick (fl. 2010s) (items) (chron.)
- See freefictionhaikuandpoetrybyauthormickrose.weebly.com
- Rose, Rhea (E.) (fl. 1980s-2020s) (items) (chron.)
- See www.goodreads.com/author/show/3403921.Rhea_Rose
- Rose, Rie Sheridan; pseudonym of Adrienne E. Rose (fl. 2000s-2020s) (items) (chron.)
- See riewriter.com
- Rose, Stephen (C.) (1936- ) (items)
- See www.sf-encyclopedia.com/entry/rose_stephen
- Roseliep, Raymond (1917-1983) (items) (chron.)
- See en.wikipedia.org/wiki/Raymond_Roseliep
- Roseman, Josh (fl. 2010s) (items) (chron.)
- See roseplusman.tumblr.com
- Rosemont, Franklin (1943-2009) (items) (chron.)
- See en.wikipedia.org/wiki/Franklin_Rosemont
- Rosen, Lev A. C. (fl. 2010s) (items) (chron.)
- See www.levacrosen.com
- Rosen, Milton W(illiam) (1915-2014) (items)
- See en.wikipedia.org/wiki/Milton_Rosen
- Rosen, Selina (1960- ) (items) (chron.)
- See www.selinarosen.com
- Rosenbaum, Benjamin (Micah) (1969- ) (items) (chron.)
- See en.wikipedia.org/wiki/Benjamin_Rosenbaum
- Rosenbaum, David (1949- ) (items) (chron.)
- Boston newspaper and magazine writer.
- Rosenbaum, Jonathan (1943- ) (items) (chron.)
- See en.wikipedia.org/wiki/Jonathan_Rosenbaum
- Rosenberg, Joel (1954-2011) (items) (chron.)
- See www.sf-encyclopedia.com/entry/rosenberg_joel
- Rosenberg, Tracey S. (fl. 1990s-2010s) (items) (chron.)
- See tsrosenberg.wordpress.com
- Rosenberger, Brian (fl. 2000s-2020s) (items) (chron.)
- See www.goodreads.com/author/show/1323112.Brian_Rosenberger
- Rosenblum, J(ohn) Michael (1917-1978) (items) (chron.)
- See www.sf-encyclopedia.com/entry/rosenblum_j_michael