- Paust, Gil(bert Harry) (1912-1988) (stories)
- Free-lance writer and the 14th editor of Adventure magazine. An expert on outdoor sports such as hunting and fishing, and also knowledgeable about aeronautics. His claim to hold a Ph.D. in physics from Columbia University cannot be substantiated. Born in and resident of Yonkers, New York. Like Alden Norton before him and Bruce Cassiday after him, Gil Paust contributed prolifically to Adventure, but because he used a number of pseudonyms, his contributions are not realized.
- Payne, Stephen (1888-1970) (stories) (assoc.)
- Prolific writer of westerns. Born in North Park, Colorado; died in Denver, Colorado (?).
- Peach, Arthur Wallace (1886-1956) (stories)
- Poet. Essayist, novelist, teacher. Born and resident in Vermont.
- Peacock, Thomas Love (1785-1866) (stories)
- Born in Dorsetshire; largely self-educated; employed by the East India Company for many years.
- Peacock, Wilbur Scott (1915-1979) (stories)
- Editor, writer of short stories and television scripts. Born in Kansas; died in Los Angeles, California.
- Pearsall, Robert J. (fl. 1900s-1930s) (stories)
- Traveller, writer, later affiliated with the WPA. Born in Michigan; lived in Tacoma, Washington.
- Pearse, Alfred (1856-1933) (art)
- See en.wikipedia.org/wiki/Alfred_Pearse
- Peddie, Tom (1874-1954) (art)
- See bearalley.blogspot.com/2019/01/tom-peddie.html
- Peeples, Samuel A(nthony) (1917-1997) (stories)
- See en.wikipedia.org/wiki/Samuel_A._Peeples
- Pelley, William Dudley (1890-1965) (stories)
- Author, journalist, editor and writer. Founder of Fascist organization, the Silver Shirts. Convicted of sedition during World War II and served eight years of a fifteen year sentence. Born in Lynn, Massachusetts; lived in Asheville, North Carolina; died in Noblesville, Indiana.
- Pemberton, [Sir] Max (1863-1950) (stories)
- See www.sf-encyclopedia.com/entry/pemberton_max
- Pendexter, Hugh (1875-1940) (stories)
- See pulpflakes.blogspot.com/2012/04/hugh-pendexter.html
- Periconi, Domingo F(rancesco Mario) (1883-1940) (art)
- See pulpartists.com/Periconi.html
- Perkins, Kenneth (Taylor) (1890-1951) (stories) (assoc.)
- Author and playwright. Born in Kodia Kanal, India; educated at University of California; died in Los Angeles, California.
- Perry, Clay [i.e., Clair Willard Perry] (1887-1961) (stories)
- Author, editor, journalist, expert on paper. Born in Badger (some sources say Waupaca) Wisconsin; died in Pittsfield, Massachusetts.
- Perry, Oliver Hazard (fl. 1930s-1940s) (stories)
- Presumably one of the many descendants of the American Naval Officer (1785-1819).
- Perry, Ralph R. (1895-?) (stories)
- Naval man and traveller; not to be confused with Ralph Barton Perry (1876-1957).
- Petaja, Emil (Theodore) (1915-2000) (stories)
- See www.sf-encyclopedia.com/entry/petaja_emil
- Petersen, Herman (1893-1973) (stories)
- Born in Utica, N.Y.; writer for the pulps; worked for Utica newspapers; was a postmaster in Poolville, N.Y.
- Pettee, F(lorence) M(ae) (1885-1966) (stories)
- Born in Spencer, Massachusetts; died in Foxborough, Massachusetts.
- Pettigrew, Homer (1915-1997) (stories)
- See www.prorodeohalloffame.com/inductees/by-category/steer-wrestling/homer-pettigrew/
- Pfalser, Ivan L(ewis) (1930-2014) (stories)
- See www.pottsfuneralhome.com/services.asp?page=odetail&id=52494&locid=90
- Phares, Ross (Oscar) (1908- ) (stories)
- Teacher, writer, linguist. Born in Hornbeck, Louisiana; lives in Houston, Texas.
- Phillips, Michael J(ames) (1876-?) (stories)
- See www.sf-encyclopedia.com/entry/phillips_michael_j
- Phillips, Roland (Ashford) (1883-?) (stories)
- See www.sf-encyclopedia.com/entry/phillips_roland_ashford
- Phillips, Ron Earl (fl. 2010s) (stories)
- See www.ronearlphillips.com
- Pierce, Frank(lin) Richardson (1887-1966) (stories) (assoc.)
- Writer. Born in Greenfield, Massachusetts; died in Washington (?).
- Pink, [Rev.] Harry Leigh Hal (1906-1973) (stories)
- See bearalley.blogspot.co.uk/2009/04/hal-pink.html
- Pinkerton, Kathrene (Gedney) (1887-1967) (stories)
- See pulpflakes.blogspot.com/2012/06/kathrene-and-robert-pinkerton-husband.html
- Pinkerton, Robert E(ugene) (1882-1970) (stories)
- See pulpflakes.blogspot.com/2012/06/kathrene-and-robert-pinkerton-husband.html
- Pitt, Chart(ly Artell) (1878-1966) (stories) (assoc.)
- Born in Portage County, Wisconsin; contributed short stories, novelettes and verse to many newspapers and periodicals in the U.S. and abroad; member of Washington State legislature; died in Mukito, Washington.
- Pitt, Stanley (John Joseph) (1925-2002) (art)
- See en.wikipedia.org/wiki/Stan_Pitt
- Pitt, William (?-1840) (stories)
- See en.wikipedia.org/wiki/William_Pitt_(ship-builder)
- Pitts, Tom (fl. 2010s) (stories)
- See www.tompittsauthor.com
- Pitzer, R(obert) C(laiborne) (1879-1962) (stories)
- See www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=38922516
- Pladwell, E(dgar) S(pencer) (1884-1964) (stories)
- Journalist and writer. Probably born in Oregon (one source says Brooklyn, New York); lived in Oakland, California.
- Plaisted, (Charles) Max(well) (1902-1956) (stories) (art) (assoc.)
- See pulpartists.com/Plaisted.html
- Poate, Ernest M(arsh) (1884-1935) (stories)
- Born on a ship in the Indian Ocean; died in Southern Pines, North Carolina; psychiatrist, attorney and author.
- Poe, Edgar Allan (1809-1849) (stories)
- See en.wikipedia.org/wiki/Edgar_Allan_Poe
- Pollock, Frank Lillie (1876-1957) (stories)
- See www.sf-encyclopedia.com/entry/pollock_frank_lillie
- Poole, Reginald Heber (1885-1959) (stories)
- Born in Northwich; author, editor, and journalist.
- Pope, Alexander (1688-1744) (stories)
- See en.wikipedia.org/wiki/Alexander_Pope
- Popp, Walter (Robert) (1920-2002) (art)
- See pulpartists.com/Popp.html
- Porter, Harold Everett (1887-1936) (stories)
- Born in Hyde Park, Mass.; educated at Harvard University.
- Post, Melville Davisson (1869-1930) (stories)
- See en.wikipedia.org/wiki/Melville_Davisson_Post
- Potter, David (1874-1962) (stories)
- See www.sf-encyclopedia.com/entry/potter_david
- Potter, E(llis) W(ellington) (1920-1981) (art)
- See pulpartists.com/Potter.html
- Powell, J(ohn) W(esley) (1834-1902) (stories)
- See en.wikipedia.org/wiki/John_Wesley_Powell
- Powell, Talmage (1920-2000) (stories)
- Novelist and short story writer. Born in Hendersonville, North Carolina; lived in Asheville, North Carolina.
- Powers, Alfred (fl. 1920s-1940s) (stories)
- Teacher, writer. Dean of the General Extension Division, Oregon State System of Higher Education. Born in Delania, Arkansas; lived in Oregon.
- Pratt, Harry Noyes (1879-1944) (stories)
- See tellersofweirdtales.blogspot.com/2011/10/harry-noyes-pratt-1879-1944.html
- Preece, Harold (1906-1992) (stories)
- Journalist, writer, specialist in Texas history. Born in Austin, Texas.
- Prentice, Ralph (fl. 1930s-1950s) (stories)
- Not to be confused with the musician (1906-1968).
- Prescott, John (Brewster) (1919-1999) (stories)
- Author of westerns, novels and short stories. Born in Menominee, Michigan; lived in Phoenix, Arizona.
- Prévost, Marcel (1862-1941) (stories)
- See en.wikipedia.org/wiki/Marcel_Prévost
- Price, E(dgar) Hoffmann (Trooper) (1898-1988) (stories)
- See en.wikipedia.org/wiki/E._Hoffmann_Price
- Pringle, Murray T. (fl. 1940s-1960s) (stories)
- Archaeologist.
- Prior, Matthew (1664-1721) (stories)
- See en.wikipedia.org/wiki/Matthew_Prior
- Prior, Percy B. (fl. 1920s) (stories)
- See tellersofweirdtales.blogspot.com/2015/06/percy-b-prior.html
- Pritchard, Harmon [born Herman Prichep] (1890-1938) (stories)
- See rogallery.com/Pritchard_Harmon/pritchard-biography.html
- Pritchett, Lulita Crawford (1906-1991) (stories)
- See www.lulitacrawfordpritchett.com
- Pronzini, Bill [i.e., William John Pronzini] (1943- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Bill_Pronzini
- Pushkin, Alexander Sergeievitch (1799-1837) (stories)
- See en.wikipedia.org/wiki/Alexander_Pushkin
- Pyles, V(irgil) E(vans) (1891-1965) (art)
- See pulpartists.com/Pyles.html
- Quigley, Ray(mond Lyman) (1909-1998) (art)
- See pulpartists.com/Quigley.html
- Radcliffe, (Henry) Garnett (1898-1971) (stories)
- Educated at Campbell College, Belfast, and at Sandhurst; served in India on the North-West Frontier and with the RAF in South Arabia and Socotra; later a civil servant.
- Raht, Carlysle Graham (1880-1972) (stories)
- See www.tshaonline.org/handbook/online/articles/fra13
- Raine, William MacLeod (1871-1954) (stories)
- See en.wikipedia.org/wiki/William_MacLeod_Raine
- Raines, Theron (W.) (1925-2012) (stories)
- See www.sf-encyclopedia.com/entry/raines_theron
- Rainey, Roy C.; house pseudonym (fl. 1930s-1960s) (stories)
- used by at least five writers in different magazines; two have been identified, the rest are presumably by staff writers.
- Raleigh, [Sir] Walter (1552?-1618) (stories)
- See en.wikipedia.org/wiki/Walter_Raleigh
- Ramsey, Ray [i.e., Harry Ray Wilson Ramsey] (1877-1952) (art)
- See pulpartists.com/Ramsey.html
- Randolph, Florence (Hughes) ({c}1898-1971) (stories)
- See www.cowgirl.net/portfolios/florence-hughes-randolph
- Rathjen, Carl Henry (1909-1984) (stories)
- See www.sf-encyclopedia.com/entry/rathjen_carl_h
- Ratigan, William (O.) (1910- ) (stories)
- Writer. Born in Detroit, Michigan.
- Rauch, Mabel Thompson (1888-1972) (stories)
- See archives.lib.siu.edu/?p=collections/findingaid&id=2253&q=&rootcontentid=36304
- Reade, Charles (1814-1884) (stories)
- Born in Oxfordshire; educated at Oxford; called to the bar but never practiced law.
- Rechnitzer, F(erdinand) E(dsted) (1894-1965) (stories)
- Author of adventures and stories involving animals. Born in Perth Amboy, New Jersey.
- Reese, John (Henry) (1910-1981) (stories)
- See en.wikipedia.org/wiki/John_H._Reese
- Reeve, Arthur B(enjamin) (1880-1936) (stories)
- See www.sf-encyclopedia.com/entry/reeve_arthur_b
- Reeves, Robert (1912-1945) (stories)
- Born in New York City, graduate of New York University; active in New York City theatre; magazine writer; was serving with the 500th Bomb Command in the Philippines when he died.
- Reid, Capt. (Thomas) Mayne (1818-1883) (stories)
- Born in Ireland; spent a decade in the U.S.; lived mostly in London thereafter.
- Reitci, John George (1922-1983) (stories)
- Prolific mystery writer. Died in Milwaukee, Wisconsin.
- Repp, Ed Earl (1900-1979) (stories)
- See www.sf-encyclopedia.com/entry/repp_ed_earl
- Reusswig, (Henry) William (1902-1978) (art)
- See pulpartists.com/Reusswig.html
- Reynolds, Edward B. (fl. 1940s-1950s) (stories)
- Probably not college administrator and general Edward Reynolds (1894-1983).
- Reynolds, James (R.) (1891-1957) (art)
- Born in Warrentown, Virginia; died in Bellagio, Italy.
- Reynolds, John Murray (1900-1993) (stories)
- See tellersofweirdtales.blogspot.co.uk/2016/04/john-murray-reynolds-1900-1993.html
- Reynolds, Mack [i.e., Dallas McCord Reynolds] (1917-1983) (stories)
- See www.sf-encyclopedia.com/entry/reynolds_mack
- Rhodes, Charles Dudley (1865-1948) (stories)
- See en.wikipedia.org/wiki/Charles_Dudley_Rhodes
- Rhodes, Eugene Manlove (1869-1934) (stories)
- Novelist and poet. Born in Tecumseh, Nebraska; died near San Diego, California.