B
- Richard Bachman (pseudonym of Stephen King), Desperation
- Paolo Bacigalupi
- Hilary Bailey (born 1936)
- Kage Baker (1952–2010)
- Scott Baker (born 1947)
- J. G. Ballard (1930–2009)
- Iain M. Banks (born 1954)
- Raymond E. Banks (1918–1974) (also known as Ray Banks, Ray E. Banks, R.E. Banks, and Fred Freair)
- Marek Baraniecki (born 1954)
- Miquel Barceló (born 1948)
- René Barjavel (1911–1985)
- Arthur K. Barnes (1911–1969)
- John Barnes (born 1957)
- Steven Barnes (born 1952)
- William Barnwell (born 1943)
- Donald Barr (born 1921)
- João Barreiros (born 1952)
- William Barton (writer) (born 1950)
- T. J. Bass (1932–2011) (pseudonym of Thomas J. Bassler)
- Harry Bates (1900–1981)
- L. Frank Baum (1856–1919)
- John Baxter (born 1939)
- Stephen Baxter (born 1957)
- Georgy Baydukov (1907–1994)
- Barrington J. Bayley (1937–2008)
- Elizabeth Bear (born 1971)
- Greg Bear (born 1951)
- Jerome Beatty Jr (1918–2002)
- Charles Beaumont (1929–1967)
- Vladimir Beekman (1929–2009)
- Alexander Beliaev (1884–1942)
- Edward Bellamy (1850–1898)
- Andrei Belyanin (born 1967)
- Don Bendell (born 1947) (pseudonym of Ron Stillman)
- Gregory Benford (born 1941)
- J. D. Beresford (1873–1947)
- Fyodor Berezin (born 1960)
- Cyrano de Bergerac (1619–1655)
- Jack Bertin (pseudonym of Peter B. Germano)
- Alfred Bester (1913–1987)
- Bruce Bethke (born 1955)
- Ambrose Bierce (1842–1914?)
- Lloyd Biggle, Jr. (1923–2002)
- Eando Binder (joint pseudonym of Earl (1904–1966) and Otto (1911–1974) Binder)
- John Birmingham (born 1964)
- David Bischoff (born 1951)
- Michael Bishop (author) (born 1945)
- Terry Bisson (born 1942)
- Jerome Bixby (1923–1998)
- Malorie Blackman (born 1962)
- Jayme Lynn Blaschke (born 1969)
- James Blaylock, (born 1950)
- James Blish (1921–1975)
- Robert Bloch (1917–1994)
- Alexander Bogdanov (1873–1928)
- Maya Kaathryn Bohnhoff (born 1954)
- Nelson S. Bond (1908–2006)
- Pierre Bordage (born 1955)
- Anthony Boucher (1911–1968) (pseudonym of William A.P. White)
- Pierre Boulle (1912–1994)
- Sydney J. Bounds (1920–2006)
- Ben Bova (born 1932)
- Leigh Brackett (1915–1978)
- Ray Bradbury (1920–2012)
- Marion Zimmer Bradley (1930–1999)
- Gillian Bradshaw (born 1956)
- Paolo Brera (born 1949)
- Reginald Bretnor (1911–1992)
- David Brin (born 1950)
- Damien Broderick (born 1944)
- Kristi Brooks (born 1980)
- Terry Brooks (born 1944)
- John Brosnan (1947–2005)
- Eric Brown (born 1960)
- Fredric Brown (1906–1972)
- Rosel George Brown (1926–1967)
- Simon Brown (born 1956)
- John Brunner (1934–1995)
- Steven Brust (born 1955)
- Edward Bryant (born 1945)
- Valery Bryusov (1873–1924)
- Tobias S. Buckell (born 1979)
- Algis Budrys (1931–2008)
- Vitaly Bugrov (1938–1994)
- Lois McMaster Bujold (born 1949)
- Mikhail Bulgakov (1891–1940)
- Faddey Bulgarin (1789–1859)
- Kenneth Bulmer (1921–2005)
- Kir Bulychev (1934–2003)
- Chris Bunch (1943–2005)
- David R. Bunch (1925–2000)
- Anthony Burgess (1917–1993)
- Yuli Burkin (born 1960)
- Edgar Rice Burroughs (1875–1950)
- Michael A. Burstein (born 1970)
- F. M. Busby (1921–2005)
- Aleksandr Bushkov (born 1956)
- Jim Butcher (born 1971)
- Octavia E. Butler (1947–2006)
Read more about this topic: List Of Science Fiction Authors