- Ould, Chris (1959?- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/ould_chris
- Oursler, Grace (Perkins) (1900-1955) (stories)
- Born in Boston; educated at Columbia School of Journalism.
- Outfield, Rish (fl. 2010s) (stories)
- See rishoutfield.blogspot.co.uk
- Outhwaite, Ida Rentoul (1888-1960) (stories) (assoc.)
- See en.wikipedia.org/wiki/Ida_Rentoul_Outhwaite
- Overholser, Wayne D. (1906-1996) (stories)
- See en.wikipedia.org/wiki/Wayne_D._Overholser
- Ow, Anya (fl. 2010s) (stories) (assoc.)
- See anyasy.com
- Owen, Frank (1893-1968) (stories) (assoc.)
- See tellersofweirdtales.blogspot.co.uk/2015/06/frank-owen-1893-1968.html
- Owen, James A. (fl. 1970s-2010s) (art)
- See jamesaowen.com/
- Owen, Jule (fl. 2010s) (stories)
- See juleowen.com
- Owen, Paula Arwen (fl. 2010s) (art)
- See www.arwendesigns.net
- Owen, Walter (1884-1953) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/owen_walter
- Owen, Wilfred (Edward Salter) (1893-1918) (stories)
- See en.wikipedia.org/wiki/Wilfred_Owen
- Owens, Derek (fl. 2010s) (stories)
- See www.derekowens.net
- Owens, Jim (fl. 1980s-2010s) (stories)
- See dargonzine.org/author/jowens
- Owens, K. L. (fl. 2010s) (stories)
- See www.shimmerzine.com/authors/author-page-k-l-owens/
- Owings, Mark (Samuel) (1945-2009) (stories)
- See www.sf-encyclopedia.com/entry/owings_mark
- Owomoyela, An (fl. 2000s-2010s) (stories)
- See an.owomoyela.net
- Owton, Martin (1958- ) (stories)
- See www.martinowton.com
- Ozawa, Hisashi (fl. 2010s) (stories)
- See kcl.academia.edu/HisashiOzawa
- P., Natasha T-Z. (fl. 2010s) (art)
- See www.aziot.deviantart.com
- Pacat, C(atherine) S. (fl. 2010s) (stories) (assoc.)
- See en.wikipedia.org/wiki/C._S._Pacat
- Pace, Guy L. (fl. 1970s-2010s) (stories)
- See guypace.com
- Pace, Richard (fl. 1990s-2010s) (art)
- See richardpace.daportfolio.com
- Pace, Tom [i.e., Thomas C. Pace, Sr.] (1929-2008) (stories)
- Born in Florida, graduated from Georgia Tech.; working for aircraft firm.
- Pacione, Nickolaus Albert (1976- ) (stories)
- See www.goodreads.com/author/show/3292495.Nickolaus_Pacione
- Packard, Edward (1931- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/packard_edward
- Pacotti, Sheldon J. (fl. 2010s) (stories)
- See sheldonpacotti.com
- Page, Laura (fl. 2010s) (stories)
- See laurapage.net
- Page, Norvell W(ooten) (1904-1961) (stories)
- See www.sf-encyclopedia.com/entry/page_norvell_w
- Page, Thomas (Walker, IV) (1942- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/page_thomas
- Pagliassotti, Dru (fl. 1990s-2010s) (stories)
- See en.wikipedia.org/wiki/Dru_Pagliassotti
- Pagliei, Christa (fl. 2010s) (stories)
- See www.christapagliei.com
- Pagluica, Melissa (fl. 2010s) (stories) (assoc.)
- See www.mpagluica.com
- Pain, Barry (Eric Odell) (1864-1928) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/pain_barry
- Paine, Albert B(igelow) (1861-1937) (stories)
- See www.sf-encyclopedia.com/entry/paine_albert_b
- Paine, James Welcome (1953- ) (stories)
- Born and living in California; former newspaper and magazine editor.
- Painton, Frederick C. (1896?-1945) (stories)
- Writer, war correspondent. Died in Guam.
- Paisley, Yarrow (fl. 2000s-2010s) (stories)
- See yarrowpaisley.com
- Pak, Chris (fl. 2010s) (stories)
- See lancaster.academia.edu/ChrisPak
- Palacios, Rafael (fl. 1900s-1990s) (art)
- See en.wikipedia.org/wiki/Rafael_Palacios_(artist)
- Palahniuk, Chuck [i.e., Charles Michael Palahniuk] (1962- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/palahniuk_chuck
- Paldanius, Lasse (fl. 2010s) (art)
- See lassepaldanius.com
- Palisano, John (fl. 2000s-2010s) (stories)
- See johnpalisano.wordpress.com
- Palladini, David (Mario) (1946-2019) (art)
- See en.wikipedia.org/wiki/David_Palladini
- Palmer, David R(eay) (1941- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/palmer_david
- Palmer, Delos, Jr. (1890-1960) (art)
- See pulpartists.com/Palmer.html
- Palmer, Dexter (fl. 2010s) (stories) (assoc.)
- See dexterpalmer.com
- Palmer, Jane (1946- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/palmer_jane
- Palmer, Jessica (1949- ) (stories)
- See www.sf-encyclopedia.com/entry/palmer_jessica
- Palmer, M. E. (fl. 2000s-2010s) (stories)
- See mepalmerwriter.com
- Palmer, Nancy (fl. 2010s) (stories)
- See nancypalmer.net
- Palmer, Philip (1960- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/palmer_philip
- Palmer, Raymond A(rthur) (1910-1977) (stories) (art) (assoc.)
- See www.sf-encyclopedia.com/entry/palmer_raymond_a
- Palmer, Stephen (1962- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/palmer_stephen
- Palmer, (Charles) Stuart (Hunter) (1905-1968) (stories)
- Born in Baraboo, Wisconsin.
- Palmer, Suzanne (1960s- ) (stories) (assoc.)
- See www.zanzjan.net
- Palmer, Thomas (1955- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/palmer_thomas
- Palumbo, David (1982- ) (art)
- See en.wikipedia.org/wiki/David_Palumbo
- Palumbo, Dennis (Joseph) (1951- ) (stories)
- See www.sf-encyclopedia.com/entry/palumbo_dennis
- Palwick, Susan (1959- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/palwick_susan
- Pandya, Aatmaja (fl. 2010s) (art)
- See aatmajapandya.com
- Panepinto, Lauren (fl. 2000s-2010s) (stories) (assoc.)
- See laurenpanepinto.com
- Panessa, Marco (fl. 2010s) (stories)
- See fantasyscrollmag.com/authors/marco-panessa/
- Panettieri, Gina (fl. 2010s) (stories) (assoc.)
- See www.talcottnotch.net/index.php/agents/gina-panettieri
- Pangborn, Edgar (1909-1976) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/pangborn_edgar
- Panshin, Alexei [i.e., Alexis Adams Panshin] (1940- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/panshin_alexei
- Panshin, Cory (Seidman) (1947- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/panshin_cory
- Pantazis, Yeoryios (1986- ) (stories)
- See sites.google.com/a/newmyths.com/nmwebsite/contributors/yeoryios-pantazis
- Parandi, K-Michel (1981- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/K-Michel_Parandi
- Pardoe, Margot [i.e., Margot Pardoe Swift] (1902-1996) (stories) (assoc.)
- Born in London, England; educated in Hertfordshire and Paris; died in Norfolk.
- Parenteau, Shirley (Laurolyn) (1935- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/parenteau_shirley
- Parfrey, Adam (1957-2018) (stories) (assoc.)
- See en.wikipedia.org/wiki/Adam_Parfrey
- Parisien, Dominik J. (fl. 2010s) (stories) (assoc.)
- See dominikparisien.wordpress.com
- Park, Jeffrey (fl. 2010s) (stories)
- See www.scribbles-and-dribbles.com
- Park, Paul (Claibourne) (1954- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/park_paul
- Park, Severna; pseudonym of Suzanne Feldman (1958- ) (stories)
- See sf-encyclopedia.com/entry/park_severna
- Parker, Brian (Norman) ({c}1935- ) (stories)
- Born in Ceylon; educated in the U.K.; emigrated to Australia in 1973; operates a media representation company.
- Parker, Heather (fl. 2000s-2010s) (stories)
- See www.heatherparker.co.uk
- Parker, John (William, II) (1917-2004) (art)
- See allevents.in/johnstown/john-parker-collection-pulp-fiction-and-illustrations-40s-70s/103223443729938
- Parker, K. J.; pseudonym of Tom Holt (1961- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/K.J._Parker
- Parker, Ken(neth Fuller) ({c}1921-1991?) (stories)
- Ice skater with Sonja Henie Productions turned playwright; lived in Glen Rock, New Jersey.
- Parker, Mysti (fl. 2010s) (stories)
- See www.mystiparker.com
- Parker, Richard (1915-1990) (stories)
- See www.sf-encyclopedia.com/entry/parker_richard
- Parker, Rosalie (fl. 1990s-2010s) (stories)
- See en.wikipedia.org/wiki/Rosalie_Parker
- Parker, Steve (1952- ) (stories)
- See www.sf-encyclopedia.com/entry/parker_steve
- Parker, Zachary C. (fl. 2010s) (stories)
- See wordsbytorchlight.com
- Parkhill, Forbes (1892-1974) (stories)
- Born and lived in Denver; died in San Diego.
- Parkhurst, H(arry) L(emon) V(ictor) (1876-1962) (art)
- See pulpartists.com/Parkhurst.html
- Parkin, Lance (John?) (1971?- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/parkin_lance
- Parkinson, Caroline (fl. 2000s-2010s) (art)
- See carolineparkinson.co.uk
- Parks, D. M. (fl. 1950s) (stories)
- possibly a pseudonym.
- Parnov, Yeremei (Iudovich) (1935- ) (stories)
- See www.sf-encyclopedia.com/entry/parnov_eremei
- Parr, Pye (fl. 2010s) (stories) (art) (assoc.)
- See pyeparr.blogspot.co.uk
- Parrinder, (John) Patrick (1944- ) (stories)
- See www.sf-encyclopedia.com/entry/parrinder_patrick
- Parrish, Rhonda (fl. 2000s-2010s) (stories)
- See www.rhondaparrish.com
- Parrish, Robin (1975- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Robin_Parrish
- Parry, Michel (Patrick) (1947-2014) (stories)
- See bearalley.blogspot.co.uk/2014/11/michel-parry-1947-2014.html
- Parson, Nels A. (1920-2005) (stories) (assoc.)
- See apps.westpointaog.org/Memorials/Article/14204/
- Parsons, Jack [i.e., John Whiteside Parsons, born Marvel Whiteside Parsons] (1914-1952) (stories)
- See en.wikipedia.org/wiki/Jack_Parsons_(rocket_engineer)
- Parsons, Sandy (fl. 2000s-2010s) (stories)
- See www.sandyparsons.com
- Parsons, Zack (fl. 1990s-2010s) (stories)
- See www.goodreads.com/author/show/125871.Zack_Parsons
- Passes, Alan [i.e., Alan Passes-Pazolski] (1943- ) (stories)
- See www.sf-encyclopedia.com/entry/passes_alan
- Pasternak, Robert J. (1963- ) (stories) (art) (assoc.)
- See www.robertpasternak.net
- Pastor, Terry (1946- ) (art)
- See www.terrypastor.co.uk