- Gottheil, Gustav (1827-1903) (stories)
- See en.wikipedia.org/wiki/Gustav_Gottheil
- Gottheil, Richard J(ames) H(oratio) (1862-1936) (stories)
- See en.wikipedia.org/wiki/Richard_James_Horatio_Gottheil
- Gotthelf, Ezra Gerson (1907-1981) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/gotthelf_ezra_gerson
- Gottlieb, Daphne (1968- ) (stories)
- See en.wikipedia.org/wiki/Daphne_Gottlieb
- Gottlieb, Hinko (1886-1948) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/gottlieb_hinko
- Gottwig, Jeremy M. (fl. 2000s-2010s) (stories)
- See www.strangeshuttle.com
- Goudsward, David (fl. 1980s-2010s) (stories)
- See goudsward.com/dave/index.htm
- Gough, [Sir] Hubert (de la Poer) (1870-1963) (stories) (assoc.)
- See en.wikipedia.org/wiki/Hubert_Gough
- Gough, [Sir] Hugh (Henry) (1833-1909) (stories)
- See en.wikipedia.org/wiki/Hugh_Henry_Gough
- Gough, Tanya Karen (fl. 2010s) (stories)
- See emmaseries.blogspot.com
- Goulart, Ron(ald Joseph) (1933- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/goulart_ron
- Gould, Anthony (1855-1921) (stories)
- Lawyer in Albany, New York.
- Gould, Beatrice Blackmar (1898-1989) (stories)
- See www.encyclopedia.com/women/encyclopedias-almanacs-transcripts-and-maps/gould-beatrice-blackmar-c-1899-1989
- Gould, Chester (1900-1985) (stories) (art)
- Note: The novels under this byline were probably ghost-written.
- Gould, [Sir] F(rancis) C(arruthers) (1844-1925) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Francis_Carruthers_Gould
- Gould, Joan [i.e., Joan Gould Kleinbard] (1927- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Joan_Gould
- Gould, John Fleming (1906-1996) (stories) (art) (assoc.)
- See pulpartists.com/Gould.html
- Gould, Lois (1931-2002) (stories)
- See en.wikipedia.org/wiki/Lois_Gould
- Gould, Nat(haniel) (1857-1919) (stories) (assoc.)
- Born in Manchester but moved to Australia in 1884 and was a reporter in Sydney, Brisbane and elswhere until 1894. Returned to England in 1895.
- Gould, R(upert) T(homas) (1890-1948) (stories)
- See en.wikipedia.org/wiki/Rupert_Gould
- Gould, Robert (fl. 1980s-2010s) (stories)
- See www.imaginosis.com/about.html
- Gould, Steven (Charles) (1955- ) (stories) (art) (assoc.)
- See www.sf-encyclopedia.com/entry/gould_steven
- Gouldsbury, (Henry) Cullen (1881-1916) (stories)
- See en.wikisource.org/wiki/Author:Cullen_Gouldsbury
- Gounod, Charles(-François) (1818-1893) (stories) (assoc.)
- See en.wikipedia.org/wiki/Charles_Gounod
- Gouny, Nicolas (fl. 2010s) (art)
- See nicolas-gouny-art.deviantart.com/
- Gouvêa, Fernando Q(uadros) (1957- ) (stories)
- See de.wikipedia.org/wiki/Fernando_Q._Gouv%C3%AAa
- Govan, Allan (R.?) ({c}1884?-1938?) (stories)
- Born in Scotland and died in Brentford, England?
- Gowdy, Curt(is Edward) (1919-2006) (stories) (assoc.)
- See en.wikipedia.org/wiki/Curt_Gowdy
- Gower, Jasmine (fl. 2010s) (stories) (assoc.)
- See jasminegower.com
- Gower, Ronald Sutherland [i.e., Lord Ronald Charles Sutherland-Leveson-Gower] (1845-1916) (stories)
- See en.wikipedia.org/wiki/Lord_Ronald_Gower
- Gowing, Sidney (David) (1877-1943) (stories)
- Father of Barbara Kenwick Gowing Muir.
- Gowland, John Stafford (1898-?) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/gowland_john_stafford
- Goyen, (Charles) William (1915-1983) (stories)
- See en.wikipedia.org/wiki/William_Goyen
- Grabenstetter, Li(sa A.) (fl. 2010s) (stories) (art) (assoc.)
- See www.magneticcrow.com
- Grabianowski, Ed (fl. 2010s) (stories)
- See www.robotviking.com
- Grabien, Deborah (1954- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/grabien_deborah
- Grabinski, Stefan (1887-1936) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/grabinski_stefan
- Grable, Betty [i.e., Elizabeth Ruth Grable] (1916-1973) (stories) (assoc.)
- See en.wikipedia.org/wiki/Betty_Grable
- Grabo, Carl (Henry) (1881-1955) (stories)
- Born in Chicago; educated at University of Chicago; lived in Chicago.
- Grabois, Mitchell (Krockmalnik) (fl. 1990s-2010s) (stories)
- See slipperyelm.findlay.edu/authors/online-only/mitchell-grabois/
- Grace, Andrew (fl. 2010s) (stories)
- See www.poetrymountain.com/authors/andrewgrace.html
- Grace, Dick [i.e., Richard Virgil Grace] (1898-?) (stories)
- American aviator.
- Grace, W(illiam) G(ilbert) (1848-1915) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/W._G._Grace
- Graef, Robert A(rthur) (1879-1951) (stories) (art)
- See pulpartists.com/Graef.html
- Graeme, Bruce; pseudonym of Bruce Graham Montague Jeffries (1900-1982) (stories)
- See www.sf-encyclopedia.com/entry/graeme_bruce
- Graeve, Oscar (R.) (1884-1939) (stories)
- Born in Astoria, NY; died in the offices of Macfadden Publications, NY, where he was fiction editor of Liberty. Formerly edited The Delineator.
- Graf, L. A.; pseudonym of Karen Rose Cercone (1957- ) & Julia Ecklar (1964- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/graf_l_a
- Graffis, Herb(ert Butler) (1893-1989) (stories)
- See en.wikipedia.org/wiki/Herb_Graffis
- Grafton, Josh ({c}1980- ) (stories) (art) (assoc.)
- See strangelet.deviantart.com
- Grafton, Sue (Taylor) (1940-2017) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sue_Grafton
- Grafunkel, Art (fl. 2010s) (art)
- See grafunkel.livejournal.com
- Graham, Barry (fl. 1990s-2010s) (stories)
- See barrygrahamauthor.com
- Graham, Billy [i.e., William Franklin Graham, Jr.] (1918-2018) (stories) (assoc.)
- See en.wikipedia.org/wiki/Billy_Graham
- Graham, C(harles S.) (1852-1911) (art)
- See bodegabayheritagegallery.com/Graham_Charles.htm
- Graham, David; pseudonym of Evan Wright (1919-1994) (stories)
- See www.sf-encyclopedia.com/entry/graham_david
- Graham, Frank (1893-1965) (stories)
- See en.wikipedia.org/wiki/Frank_Graham_(writer)
- Graham, Frank, Jr. (1925- ) (stories)
- See mag.audubon.org/authors/frank-graham-jr
- Graham, Harry [i.e., Jocelyn Henry Clive Graham] (1874-1936) (stories)
- See en.wikipedia.org/wiki/Harry_Graham_(poet)
- Graham, [Lady] Helen (Violet) (1879-1945) (stories)
- See www.thepeerage.com/p6863.htm
- Graham, Jean (fl. 1970s-2010s) (stories)
- See jeangraham.20m.com
- Graham, Joshua (fl. 2010s) (stories) (assoc.)
- See joshua-graham.com/about
- Graham, Lloyd S. (fl. 1920s-1930s) (stories)
- Not to be confused with author Lloyd M. Graham (1889-?).
- Graham, P(eter) Anderson (?-1925) (stories)
- See www.sf-encyclopedia.com/entry/graham_p_anderson
- Graham, Peter (1939-2004) (stories)
- See fancyclopedia.wikidot.com/peter-graham
- Graham, W(illiam) S(ydney) (1918-1986) (stories) (assoc.)
- See en.wikipedia.org/wiki/W._S._Graham
- Graham, William Warner (1899-?) (stories)
- Writer. Born in Louisville, Kentucky.
- Graham, Winifred [i.e., Matilda Winifred Muriel Graham Cory] (1873-1950) (stories) (assoc.)
- Author of 88 books, some of which were anti-Mormon. Born in London, England; died in Hampton-on-Thames, England.
- Grahame, Arthur W(alter) (1888-1976) (stories)
- Born in Asbury Park, New Jersey; died in Rockville, Maryland; editor and magazine writer.
- Grahame, Gordon Hill (1889-?) (stories)
- Canadian novelist.
- Grahame-White, Claude (1879-1959) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/grahame-white_claude
- Grahovac, Aleksandra (fl. 2010s) (art)
- See elluna.deviantart.com
- Grainger, Francis Edward (1854-1927) (stories)
- Born in Suffolk and educated at Eton; a journalist turned writer.
- Grams, Martin, Jr. (1977- ) (stories)
- See en.wikipedia.org/wiki/Martin_Grams,_Jr.
- Granatelli, Andy [i.e., Anthony Granatelli] (1923-2013) (stories)
- See en.wikipedia.org/wiki/Andy_Granatelli
- Grand, Sarah; pseudonym of Frances Elizabeth McFall (1854-1943) (stories)
- See en.wikipedia.org/wiki/Sarah_Grand
- Grandbois, Peter (1964- ) (stories)
- See en.wikipedia.org/wiki/Peter_Grandbois
- Grandfield, Jack [i.e., John Grandfield] (1911-1949) (art)
- See ukcomics.wikia.com/wiki/Jack_Grandfield_(1911-1949)
- Grandi, Gina L. (fl. 2010s) (stories)
- See pwcenter.org/profile/gina-grandi
- Grandi, Orazio (1851-1922) (stories)
- See www.treccani.it/enciclopedia/orazio-grandi_(Dizionario_Biografico)
- Grandmaison, Didier (Louis Marie Charles) (1889-1917) (stories) (assoc.)
- See en.wikipedia.org/wiki/Didier_Lecour_Grandmaison
- Grange, Jean-Christophe (fl. 1990s) (stories)
- Journalist and head of a press agency.
- Grange, Red [i.e., Harold Edward Grange] (1903-1991) (stories) (assoc.)
- See en.wikipedia.org/wiki/Red_Grange
- Granger, David (M.) (1956- ) (stories)
- See en.wikipedia.org/wiki/David_M._Granger
- Granin, Daniil (1919-2017) (stories)
- See en.wikipedia.org/wiki/Daniil_Granin
- Grant, Alan (1949- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Alan_Grant_(writer)
- Grant, Bryan M(orel) (1909-1986) (stories)
- See en.wikipedia.org/wiki/Bryan_Grant
- Grant, Cathryn (fl. 2000s-2010s) (stories)
- See suburbannoir.com
- Grant, Charles L(ewis) (1942-2006) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/grant_charles_l
- Grant, Donald M(etcalf) (1927-2009) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/grant_donald_m
- Grant, Douglas (1921-1969) (stories)
- See tspace.library.utoronto.ca/html/1807/4350/grant.html
- Grant, Ethan (fl. 1940s) (stories) (assoc.)
- Born in Tennessee.
- Grant, Fulton Thatcher (1897-1949) (stories) (assoc.)
- See pulpflakes.blogspot.co.uk/2017/01/fulton-t-grant-author-soldier-newsman.html
- Grant, Gavin J. (fl. 1990s-2010s) (stories) (assoc.)
- See en.wikipedia.org/wiki/Gavin_Grant_(editor)
- Grant, [Captain] George H. (fl. 1920s-1930s) (stories)
- Ship captain who spent at least some time in Central and South America.
- Grant, Gordon (Hope) (1875-1962) (stories) (art)
- See en.wikipedia.org/wiki/Gordon_Grant_(artist)
- Grant, Helen (1964- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Helen_Grant_(author)
- Grant, James (1822-1887) (stories)
- See en.wikipedia.org/wiki/James_Grant_(author)
- Grant, James D. (1954- ) (stories)
- Born in England; studied law; living in NYC; TV director turned writer.
- Grant, John; pseudonym of Paul Barnett (1949- ) (stories) (art) (assoc.)
- See www.sf-encyclopedia.com/entry/grant_john
- Grant, John Linwood (fl. 2010s) (stories)
- See greydogtales.com