- Blackwood, Caroline [i.e., Lady Caroline Maureen Hamilton-Temple-Blackwood] (1931-1996) (stories)
- See en.wikipedia.org/wiki/Lady_Caroline_Blackwood
- Blackwood, Clara (fl. 2000s-2010s) (stories)
- See clarablackwood.wordpress.com
- Blackwood, Gary L. (1945- ) (stories)
- See www.sf-encyclopedia.com/entry/blackwood_gary_l
- Blade, Alexander; house pseudonym (fl. 1940s-1950s) (stories)
- See www.sf-encyclopedia.com/entry/blade_alexander
- Blagden, Claude M(artin) (1874-1952) (stories)
- See en.wikipedia.org/wiki/Claude_Blagden
- Blaikie, John Arthur (1849-?) (stories)
- See en.wikipedia.org/wiki/John_Arthur_Blaikie
- Blaikie, William G(arden) (1820-1899) (stories)
- See banneroftruth.org/us/about/banner-authors/william-g-blaikie/
- Blain, R. J. (fl. 2010s) (stories) (assoc.)
- See www.rjblain.com
- Blaine, Janice (fl. 2000s-2010s) (art)
- See www.paintersblock.com
- Blaine, John; pseudonym of Hal Goodwin (1914-1990) (stories) (art)
- See www.sf-encyclopedia.com/entry/blaine_john
- Blair, Alma (O.) (1943-2010) (stories)
- Wife of Clifford Blair.
- Blair, Andrew (?-1885) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/blair_andrew
- Blair, Andrew (fl. 2010s) (stories)
- See ablairlair.blogspot.co.uk
- Blair, Clifford (1953-2004) (stories)
- Husband of Alma Blair.
- Blair, Emily Newell (1877-1951) (stories)
- See en.wikipedia.org/wiki/Emily_Newell_Blair
- Blair, Robert (1859-1935) (stories) (assoc.)
- See archiveshub.jisc.ac.uk/search/archives/615f3ca5-30a2-34b9-91a1-d1bb770d4fc7
- Blair-Staples, Edith; pseudonym of Edith Eva Staples (1868-1952) (stories)
- See bearalley.blogspot.co.uk/2010/01/edith-blair-staples.html
- Blais, André (fl. 2010s) (art)
- See andreblais.blogspot.com
- Blaisdell, Elinore [Mrs. Melrich Vonelm Rosenberg] (1900-1994) (stories) (assoc.)
- See desturmobed.blogspot.co.uk/2012/05/elinore-blaisdell.html
- Blaithiel; pseudonym of Anna Bastrzyk (fl. 2010s) (stories) (art) (assoc.)
- See blaithiel.wix.com/blaithiel-digitalart
- Blake, David G. (fl. 2010s) (stories)
- See www.writertopia.com/profiles/DavidGBlake
- Blake, Lillie D(evereux Umsted) [born Elizabeth Johnson Devereux] (1833-1913) (stories)
- See en.wikipedia.org/wiki/Lillie_Devereux_Blake
- Blake, Polenth (fl. 2010s) (stories) (art) (assoc.)
- See www.polenthblake.com
- Blake, Robert (1598-1657) (stories) (assoc.)
- See en.wikipedia.org/wiki/Robert_Blake_(admiral)
- Blake, Robert (Norman William, Baron Blake) (1916-2003) (stories)
- See en.wikipedia.org/wiki/Robert_Blake,_Baron_Blake
- Blake, (Francis William) Stacey (1873-1964) (stories)
- See www.sf-encyclopedia.com/entry/blake_stacey
- Blake, Wilfred T(heodore) (1894-1968) (stories)
- See en.wikipedia.org/wiki/Wilfred_Theodore_Blake
- Blake, William (1757-1827) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/William_Blake
- Blakely, Winston (fl. 2010s) (art)
- See blakelyworks.blogspot.co.uk
- Blaker, Richard (Sidney) (1893-1940) (stories)
- Born in India, educated at Oxford, died in Los Angeles; journalist and author.
- Blakeslee, Frederick M(anley) (1898-1973) (stories) (art)
- See pulpartists.com/Blakeslee.html
- Blalock, H. David (fl. 1990s-2010s) (stories) (assoc.)
- See www.thrankeep.com
- Blalock, Lucas (1978- ) (art)
- See art21.org/artist/lucas-blalock/
- Blamire, Larry (fl. 1980s-2010s) (stories) (art)
- See en.wikipedia.org/wiki/Larry_Blamire
- Blamire, Susanna (1747-1794) (stories)
- See en.wikipedia.org/wiki/Susanna_Blamire
- Blampied, Edmund (1886-1966) (stories) (art) (assoc.)
- See en.wikipedia.org/wiki/Edmund_Blampied
- Blanc, François (1806-1877) (stories) (assoc.)
- See en.wikipedia.org/wiki/Fran%C3%A7ois_Blanc
- Blanch, Leonard K(ing) (1879-1957) (stories)
- UK Army Major (and Captain).
- Blanchard, Amy E(lla) (1854-1926) (stories)
- See en.wikipedia.org/wiki/Amy_Ella_Blanchard
- Blanchard, (Samuel) Laman (1804-1845) (stories)
- See en.wikipedia.org/wiki/Samuel_Laman_Blanchard
- Blanchard, Martha ({c}1916-1970) (stories) (art)
- See www.nytimes.com/1970/05/02/archives/martha-blanchard-cartoonist-was-54.html
- Blanchard, N. Taylor (fl. 1990s-2000s) (art)
- See www.ntaylorblanchard.com
- Blanchard, Sidney Laman (1825-1883) (stories)
- See www.victorianresearch.org/atcl/show_author.php?aid=32
- Blanché, Pascal (fl. 2000s-2010s) (art)
- See pascalblanche.artstation.com
- Blanco, Richard (1968- ) (stories)
- See en.wikipedia.org/wiki/Richard_Blanco
- Blanco, Riki (1978- ) (art)
- See www.rikiblanco.net
- Blanco-Fombona, Rufino (1874-1944) (stories)
- See en.wikipedia.org/wiki/Rufino_Blanco-Fombona
- Bland, Henry Meade (1863-1931) (stories)
- See www.sjsu.edu/people/annette.nellen/website/bland.htm
- Bland, Hubert (1856-1914) (stories)
- See en.wikipedia.org/wiki/Hubert_Bland
- Bland, Martin ({c}1973- ) (stories) (art) (assoc.)
- See www.spyroteknik.com
- Bland-Sutton, [Sir] John (, 1st Baronet) (1855-1936) (stories) (assoc.)
- See en.wikipedia.org/wiki/John_Bland-Sutton
- Blandick, Clara (1880-1962) (stories)
- See en.wikipedia.org/wiki/Clara_Blandick
- Blank, Ray; pseudonym of Eric Priezkalns (fl. 2010s) (stories)
- See halfthoughts.com
- Blankenship, William D(ouglas) (1934-2012) (stories)
- See www.sf-encyclopedia.com/entry/blankenship_william_d
- Blanton, Smiley (1882-1966) (stories)
- See www.answers.com/topic/blanton-smiley-psychoanalysis
- Blasche, Ted (fl. 2010s) (stories)
- See tedblasche.com
- Blaschke, Jayme Lynn (1969- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Jayme_Lynn_Blaschke
- Blasco, Eusebio [i.e., Eusebio Blasco Soler] (1844-1903) (stories)
- See es.wikipedia.org/wiki/Eusebio_Blasco
- Blasim, Hassan (1973- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Hassan_Blasim
- Blatchford, Robert (Peel Glanville) (1851-1943) (stories) (assoc.)
- Born in Maidstone. Journalist.
- Blatherwick, Charles (1826-1896) (stories)
- Born in Hampshire, England, but in Scotland by 1860; died in Kirkcudbright, Scotland; doctor, writer and painter; inspector of alkali factories and chemical works in 1863.
- Blau, Ernest E. (1895-1982) (stories)
- Died in Vermont.
- Blaxter, Tam (fl. 2010s) (stories)
- See www.mml.cam.ac.uk/ttb26
- Blaylock, James P(aul) (1950- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/blaylock_james_p
- Bleackley, Horace (William) (1868-1931) (stories)
- See www.sf-encyclopedia.com/entry/bleackley_horace
- Bleaken, Simon (fl. 1990s-2010s) (stories)
- See www.goodreads.com/author/show/4389180.Simon_Bleaken
- Bledsoe, Jerry (Carroll) (1941- ) (stories)
- See en.wikipedia.org/wiki/Jerry_Bledsoe
- Bleiler, Everett F(ranklin) (1920-2010) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/bleiler_everett_f
- Bleiler, Richard (James) (1959- ) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/bleiler_richard
- Blennerhassett, Rose [i.e., Rosanna Aimée Blennerhassett] (1843-1907) (stories)
- See www.blennerhassettfamilytree.com/Rose-Blennerhassett.php
- Blennerhassett, Rowland (1839-1909) (stories)
- See en.wikipedia.org/wiki/Sir_Rowland_Blennerhassett,_4th_Baronet
- Blériot, Louis (Charles Joseph) (1872-1936) (stories)
- See en.wikipedia.org/wiki/Louis_Bl%C3%A9riot
- Blethen, (Alden) Joseph (Jr.) (1870-1937) (stories)
- Publisher and playwright. Born in Farmington, Maine; died in Reno, Nevada.
- Blexbolex [born Bernard Granger] (1966- ) (art)
- See en.wikipedia.org/wiki/Blexbolex
- Bligh, William (1754-1817) (stories)
- See en.wikipedia.org/wiki/William_Bligh
- Blighton, Frank H(arris) (1873-1926) (stories)
- Was a lawyer, newspaper man, and author of scientific books and fiction magazines.
- Blind, Harold (Edward) (1886-1954) (stories)
- Author and journalist, and son of the Belgian-born German artist, Rudolf Blind.
- Blind, Karl (1826-1907) (stories)
- See en.wikipedia.org/wiki/Karl_Blind
- Blink, George ({c}1798-1874) (stories) (assoc.)
- See desturmobed.blogspot.co.uk/2012/05/george-blink.html
- Blish, James (Benjamin) (1921-1975) (stories) (art) (assoc.)
- See www.sf-encyclopedia.com/entry/blish_james
- Blish, Nelson Adrian (fl. 2010s) (stories)
- See www.amazon.com/Nelson-Adrian-Blish/e/B001JS7VGS
- Bliss, Corinne Demas (1947- ) (stories)
- See en.wikipedia.org/wiki/Corinne_Demas
- Bliss, Harry (1964- ) (art)
- See en.wikipedia.org/wiki/Harry_Bliss
- Bliss, Robert (fl. 1920s-1930s) (stories)
- See www.sf-encyclopedia.com/entry/bliss_robert
- Bliss, Tip [i.e., Tyler Howe Bliss] (1890-1944) (stories)
- Born in Salem, Massachusetts; prize-winning news photographer.
- Blissett, Nellie K(atherine) (1876-1948) (stories)
- Born in Wokingham, Berkshire; died on Isle of Wight.
- Blitt, Barry (1958- ) (art)
- See en.wikipedia.org/wiki/Barry_Blitt
- Bloch, Chana (1940-2017) (stories)
- See en.wikipedia.org/wiki/Chana_Bloch
- Bloch, Regina Miriam (1889-1938) (stories)
- See en.wikipedia.org/wiki/Regina_Miriam_Bloch
- Bloch, Robert (Albert) (1917-1994) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/bloch_robert
- Blochman, Lawrence G(oldtree) (1900-1975) (stories)
- Author and journalist. Born in San Diego, California; died in New York City.
- Block, Francesca Lia (1962- ) (stories) (assoc.)
- See en.wikipedia.org/wiki/Francesca_Lia_Block
- Block, Harry Carl (1872-1946) (stories)
- Born in New York City; died in Tarrant, Texas; an oil man.
- Block, Lawrence (1938- ) (stories) (assoc.)
- Freelance New York writer; graduate of University of Michigan; author of numerous magazine articles and short stories under various names, ghosted several books, wrote paperback novels.
- Blodgett, Mabel Fuller (1869-1959) (stories)
- See www.sf-encyclopedia.com/entry/blodgett_mabel_fuller
- Blom, Suzanne Allés (1948-2012) (stories) (assoc.)
- See www.sf-encyclopedia.com/entry/blom_suzanne_alles
- Blomberg, Cas (fl. 2010s) (stories)
- See casblomberg.com
- Blomberg, Héctor Pedro (1889-1955) (stories)
- See es.wikipedia.org/wiki/H%C3%A9ctor_Pedro_Blomberg
- Blomfield, Alfred (1833-1894) (stories) (assoc.)
- See en.wikipedia.org/wiki/Alfred_Blomfield