- Argue, Darcy James (1975- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Darcy_James_Argue
- Arikha, Avigdor (1929-2010) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Avigdor_Arikha
- Arimah, Lesley Nneka (1983- ) (stories)
- See en.wikipedia.org/wiki/Lesley_Nneka_Arimah
- Aristi, Daniel (fl. 2010s) (stories)
- See timberlinereview.com/contributors/summerfall-2016/daniel-aristi/
- Aristotle [384-322 BC] (stories) (assoc.)
- See en.wikipedia.org/wiki/Aristotle
- Arkell, David (1913-1997) (stories)
- See rylandscollections.wordpress.com/2013/08/23/centenary-of-david-arkell-journalist-and-author/
- Arkell, Reginald (1882-1959) (stories) (assoc.)
- See en.wikipedia.org/wiki/Reginald_Arkell
- Arkenberg, Megan (fl. 2000s-2010s) (stories) (assoc.)
- See meganarkenberg.blogspot.co.uk
- Arkenberg, Therese L. (fl. 2000s-2010s) (stories)
- See www.theresearkenberg.com
- Arkins, Frank J. [i.e., Francis Joseph Arkins] (1866-1945) (stories)
- Born in St. Louis; reporter for Rocky Mountain News in Denver; editor of the Morning Times in Cripple Creek, Colorado, then editor of Ores and Metals, a technical mining publication in Denver.
- Arlen, Michael; pseudonym of Dikran Kuyumjian (1895-1956) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/arlen_michael
- Arlen, Michael J(ohn) (1930- ) (stories)
- See en.wikipedia.org/wiki/Michael_J._Arlen
- Arliss, George [born Augustus George Andrews] (1868-1946) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/George_Arliss
- Armanno, Venero (1959- ) (stories)
- See en.wikipedia.org/wiki/Venero_Armanno
- Armantrout, Rae (1947- ) (stories)
- See en.wikipedia.org/wiki/Rae_Armantrout
- Armbrister, (Geoffrey) Trevor (1933-2006) (stories)
- See articles.latimes.com/2006/apr/02/local/me-passings2.1
- Armfelt, Roger (Noel) (1897-1955) (stories)
- Born in East Molesey, England.
- Armit, L(ionel) P. B. (fl. 1920s-1930s) (stories)
- Australian writer.
- Armitage, Flora (1884-1969) (stories) (assoc.)
- Born in Manchester, Eng.; naturalized U.S. citizen; lived in NYC, where she was Information Officer at the British Information Services; biographer.
- Armitt, Annie (1850-1933) (stories)
- See en.wikipedia.org/wiki/Annie_Armitt
- Armour, G(eorge) Denholm (1864-1949) (stories) (art)
- See en.wikipedia.org/wiki/George_Denholm_Armour
- Armour, R(obert) C(outts) (1874-1945) (stories) (art)
- See www.sf-encyclopedia.com/entry/armour_r_coutts
- Armour, Tommy [i.e., Thomas Dickson Armour] (1896-1968) (stories)
- See en.wikipedia.org/wiki/Tommy_Armour
- Arms, Louis Lee (1888-1989) (stories)
- See www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=25973361
- Armstrong, Anne (Audubon) W(etzell) [Mrs. Robert F. Armstrong] (1872-1958) (stories)
- Born in Grand Rapids, Michigan; attended Mt. Holyoke College and University of Chicago.
- Armstrong, Anthony; pseudonym of George A. A. Willis (1897-1976) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/armstrong_anthony
- Armstrong, D(avid) M. (fl. 2010s) (stories)
- See davidarmstrongfiction.com
- Armstrong, David (fl. 2010s) (stories)
- See www.davidarmstrongwriter.com
- Armstrong, Douglas D. (fl. 1990s-2010s) (stories)
- See www.douglasdarmstrong.com
- Armstrong, Henry [born Henry Jackson Jr.] (1912-1988) (stories)
- See en.wikipedia.org/wiki/Henry_Armstrong
- Armstrong, Herbert Rowse (1869-1922) (stories) (assoc.)
- See en.wikipedia.org/wiki/Herbert_Rowse_Armstrong
- Armstrong, Jon (fl. 2010s) (stories)
- See www.jonarmstrong.com
- Armstrong, (Dwight) Leroy (1854-1927) (stories)
- Born in Plymouth, Indiana; newspaper owner in Indiana and newspaper editor in Salt Lake City; went to the west coast and became one of the foremost authorities in research work in motion pictures; retired as head of the research department and library at Universal City in Los Angeles.
- Armstrong, Louis (1901-1971) (stories)
- See en.wikipedia.org/wiki/Louis_Armstrong
- Armstrong, Margaret (Neilson) (1867-1944) (stories)
- Born in New York City.
- Armstrong, Martin (Donisthorpe) (1882-1974) (stories)
- See en.wikipedia.org/wiki/Martin_Armstrong_(writer)
- Armstrong, Michael (Allan) (1956- ) (stories)
- See www.sf-encyclopedia.com/entry/armstrong_michael
- Armstrong, Rolf (1889-1960) (art)
- See en.wikipedia.org/wiki/Rolf_Armstrong
- Armstrong, Stanley (1870s-1949) (art)
- See strippersguide.blogspot.com/2014/08/ink-slinger-profiles-by-alex-jay_13.html
- Armstrong, William (1858-1942) (stories)
- See en.wikipedia.org/wiki/William_Armstrong_(music_critic)
- Armstrong, Willimina L(eonora) (1866-1947) (stories)
- Born in Michigan; died in Los Angeles.
- Armytage, Walter (Harry Green) (1915-1998) (stories)
- See www.sf-encyclopedia.com/entry/armytage_w_h_g
- Arnason, Eleanor (Atwood) (1942- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/arnason_eleanor
- Arnaud, (Germaine) Yvonne (1890-1958) (stories)
- See en.wikipedia.org/wiki/Yvonne_Arnaud
- Arneson, Erik (fl. 1990s-2010s) (stories)
- See erikarneson.wordpress.com
- Arnette, Robert; house pseudonym (fl. 1950s) (stories)
- See www.sf-encyclopedia.com/entry/arnette_robert
- Arnold, A(delaide) V(ictoria) [Mrs. J. O. Arnold] (1858-1930) (stories)
- Born in Liverpool; married John Oliver Arnold in 1884.
- Arnold, [Sir] (Robert) Arthur (1833-1902) (stories) (assoc.)
- See en.wikipedia.org/wiki/Arthur_Arnold
- Arnold, [Sir] Edwin (1832-1904) (stories) (assoc.)
- See en.wikipedia.org/wiki/Edwin_Arnold
- Arnold, Edwin Lester (Linden) (1857-1935) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/arnold_edwin_l
- Arnold, Frank Edward [i.e., Francis Joseph Eric Edward Arnold] (1914-1987) (stories)
- See www.sf-encyclopedia.com/entry/arnold_frank_edward
- Arnold, George Waugh (1834-1865) (stories)
- See en.wikipedia.org/wiki/George_Arnold_%28poet%29
- Arnold, H(enry) F(erris, Jr.) (1902-1963) (stories)
- See tellersofweirdtales.blogspot.com/2018/12/hf-arnold-1902-1963.html
- Arnold, [General] Henry H(arley) Hap (1886-1950) (stories)
- See en.wikipedia.org/wiki/Henry_H._Arnold
- Arnold, Jess (1916- ) (stories)
- Texas writer.
- Arnold, Joel (fl. 2000s-2010s) (stories)
- See authorjoelarnold.blogspot.co.uk
- Arnold, Matthew (1822-1888) (stories) (assoc.)
- See en.wikipedia.org/wiki/Matthew_Arnold
- Arnold, Ralph (Crispian Marshall) (1906-1970) (stories)
- Born in Kent.
- Arnold, Rus (fl. 1960s) (stories)
- Photographer with the Birnback Publishing Service.
- Arnold, Thurman W(esley) (1891-1969) (stories)
- See en.wikipedia.org/wiki/Thurman_Arnold
- Arnold, Tommy (fl. 2010s) (art)
- See www.tommyarnoldart.com
- Arnold, V(ladimir) I(gorevich) (1937-2010) (stories) (assoc.)
- See en.wikipedia.org/wiki/Vladimir_Arnold
- Arnold-Foster, Hugh Oakley (1855-1909) (stories)
- See www.sf-encyclopedia.com/entry/arnold-forster_h_o
- Arnoldson, Sigrid (1861-1943) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sigrid_Arnoldson
- Aro, Alex (fl. 2010s) (stories)
- See www.alexaro.wordpress.com
- Aronin, Ben (1904-1980) (stories)
- See www.sf-encyclopedia.com/entry/aronin_ben
- Aronofsky, Darren (1969- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Aronofsky
- Aronovitz, Michael (fl. 2000s-2010s) (stories) (assoc.)
- See michaelaronovitz.com
- Aronowitz, Alfred G(ilbert) (1928-2005) (stories)
- See www.billboard.com/biz/articles/news/1408427/al-aronowitz-dead-at-77
- Aronson, Virginia (fl. 2000s-2010s) (stories)
- See virginiaaronsonwriter.com
- Arp, Bill; pseudonym of Charles Henry Smith (1826-1903) (stories)
- See en.wikipedia.org/wiki/Bill_Arp
- Arreola, Juan José (Zúñiga) (1918-2001) (stories)
- See www.sf-encyclopedia.com/entry/arreola_juan_jose
- Arruda, Suzanne (fl. 2000s-2010s) (stories)
- See www.suzannearruda.com
- Arseneault, Claudie (fl. 2010s) (stories)
- See claudiearseneault.com
- Arter, William A(ndrew) (1911-1972) (stories)
- Ohio advertising consultant, educator, columnist, historian.
- Arthur, Herbert [born Herman/Herbert Arthur Shapiro] (1899-1975) (stories)
- See bearalley.blogspot.co.uk/2006/08/herbert-shappiro.html
- Arthur, Herbert, Jr. (1928- ) (stories)
- May have been born Herbert Arthur Shapiro, Jr; he was the son of western writer Herbert Arthur Shapiro, 1899-1975, who changed his name to Herbert Arthur.
- Arthur, Keri (fl. 2000s-2010s) (stories) (assoc.)
- See www.keriarthur.com
- Arthur, Prince (, Duke of Connaught and Strathearn) (1850-1942) (stories) (assoc.)
- See en.wikipedia.org/wiki/Prince_Arthur,_Duke_of_Connaught_and_Strathearn
- Arthur, T(imothy) S(hay) (1809-1885) (stories)
- Born in Newburgh, N.Y.
- Arts, Hazel (fl. 2010s) (stories) (art) (assoc.)
- See whimsicalblue.deviantart.com
- Artsybachev, Mikhail (Petrovich) (1878-1927) (stories)
- See en.wikipedia.org/wiki/Mikhail_Artsybashev
- Arvers, Félix (1806-1850) (stories)
- See en.wikipedia.org/wiki/Félix_Arvers
- Arvonen, (Margaret) Helen [born Margaret Helen Dickinson] (1937-?) (stories)
- Born in Canada, maybe in 1940sources differ; married Sulo Arvonen in 1960; in 1996 she was referred to as the late Helen Arvonen, author.
- Asaba, Keisuke (fl. 2000s) (art)
- See asaba.cgsociety.org
- Asaro, Catherine (Ann) (1955- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/asaro_catherine
- Asavasena, Patipat (fl. 2000s) (art)
- See asuka111.deviantart.com
- Asbury, Herbert (1891-1963) (stories)
- Historian, editor, journalist and author. Born in Farmington, Missouri; died in New York City.
- Asch, Nathan (1902-1964) (stories)
- See de.wikipedia.org/wiki/Nathan_Asch
- Asch, Sholem (1880-1957) (stories)
- See en.wikipedia.org/wiki/Sholem_Asch
- Asche, (John Stange(r) Heiss) Oscar (1871-1936) (stories) (assoc.)
- See en.wikipedia.org/wiki/Oscar_Asche
- Aschim, Bjørn-Erik (fl. 2010s) (stories) (assoc.)
- See www.bjornsportfolio.com
- Ash, A(manda) E. (fl. 2010s) (stories)
- See aeashwrites.wordpress.com
- Ash, Brian (1936-2010) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/ash_brian
- Ash, Constance (Lee) (1950- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/ash_constance
- Ash, Sarah (fl. 1990s-2010s) (stories) (assoc.)
- See en.wikipedia.org/wiki/Sarah_Ash
- Ash, Sholem [i.e., Sholem Asch] (1880-1957) (stories)
- See en.wikipedia.org/wiki/Sholem_Asch
- Ashabranner, Brent (Kenneth) (1921-2016) (stories)
- See en.wikipedia.org/wiki/Brent_Ashabranner