| Anthony B | Jamaican deejay and singer | 1976 |
| Bun B | American rapper from Texas; 1… | 1973 |
| Heinrich Baab | German Gestapo officer | 1908 |
| Báb | Iranian prophet; founder of t… | 1819–1850 |
| Meher Baba | Indian mystic | 1894–1969 |
| Sathya Sai Baba | Indian guru | 1926–2011 |
| Tupeni Baba | Fijian politician | 1941 |
| Haidakhan Babaji | teacher in northern India | |
| Mahavatar Babaji | Hindu Yogi | |
| Leo Babauta | | 1973 |
| Charles Babbage | mathematician, philosopher, i… | 1791–1871 |
| Irving Babbitt | American academic and literar… | 1865–1933 |
| Milton Babbitt | American composer | 1916–2011 |
| Natalie Babbitt | American children's writer an… | 1932–2016 |
| Isaac Babel | Russian language journalist, … | 1894–1940 |
| François-Noël Babeuf | French political agitator and… | 1760–1797 |
| Jacques Babinet | French physicist, mathematici… | 1794–1872 |
| Eve Babitz | American author | 1943 |
| David Baboulene | UK author | 1960 |
| Patrik Baboumian | German strength-athlete | 1979 |
| Babur | 1st Mughal Emperor | 1483–1530 |
| Lauren Bacall | American actress, model | 1924–2014 |
| Ricardo Baccay | | 1961 |
| Andrew Bacevich | United States Army officer | 1947 |
| Carl Philipp Emanuel Bach | German harpsichordist and com… | 1714–1788 |
| Erich von dem Bach | German politician and SS func… | 1899–1972 |
| Johann Sebastian Bach | German late baroque era compo… | 1685–1750 |
| Richard Bach | American spiritual writer | 1936 |
| Sebastian Bach | Canadian singer | 1968 |
| Burt Bacharach | American pianist, composer an… | 1928 |
| Abhishek Bachchan | Indian actor | 1976 |
| Amitabh Bachchan | Indian actor | 1942 |
| Ayub Bachchu | Musician, singer, songwriter | 1962–2018 |
| Gaston Bachelard | French writer and philosopher | 1884–1962 |
| Roselyne Bachelot | French politician | 1946 |
| Ingeborg Bachmann | Austrian poet and author | 1926–1973 |
| Michele Bachmann | American politician | 1956 |
| Paolo Bacigalupi | American science fiction and … | 1972 |
| Wilhelm Backhaus | German pianist, Knight Comman… | 1884–1969 |
| Susan Backlinie | former actress and stuntwoman | 1946 |
| John Backus | American computer scientist | 1924–2007 |
| Francis Bacon | English philosopher, statesma… | 1561–1626 |
| Leonard Bacon | American Congregational preac… | 1802–1881 |
| Roger Bacon | medieval philosopher and theo… | 1220–1292 |
| George Bacouni | Greek Catholic Archbishop | 1962 |
| Shah Badakhshi | Indian poet | |
| `Abd al-Qadir Bada'uni | Indian historian | 1540–1615 |
| Abdullah Ahmad Badawi | Malaysian politician | 1939 |
| Fani Badayuni | Indian writer | 1879–1961 |
| David Baddiel | British comedian, novelist an… | 1964 |
| Robert Baden-Powell | lieutenant-general in the Bri… | 1857–1941 |
| Douglas Bader | British World War II flying a… | 1910–1982 |
| Penn Badgley | American actor and musician | 1986 |
| Ernst Badian | Austrian classical scholar | 1925–2011 |
| Alain Badiou | French writer and philosopher | 1937 |
| Michael Badnarik | American software engineer | 1954 |
| Pietro Badoglio | Italian general during both W… | 1871–1956 |
| Erykah Badu | American neo-soul singer | 1971 |
| Kenneth Bae | American missionary held as p… | 1968 |
| Karl Baedeker | | |
| Jim Baen | American publisher and editor | 1943–2006 |
| Larry Baer | MLB Executive | 1957 |
| Will Christopher Baer | American writer | 1966 |
| Hans Christian von Baeyer | American physicist | 1938 |
| Joan Baez | American singer | 1941 |
| John C. Baez | American mathematician and ma… | 1961 |
| Walter Bagehot | British journalist, businessm… | 1826–1877 |
| Roberto Baggio | Italian association football … | 1967 |
| Jim Baggott | British writer | 1957 |
| Julianna Baggott | Author | 1969 |
| Khosrow Bagheri | Iranian philosopher of educat… | 1957 |
| Enid Bagnold | English dramatist, playwright… | 1889–1981 |
| Hovhannes Bagramyan | Soviet military commander | 1897–1982 |
| Banda Singh Bahadur | Sikh military commander | 1670–1716 |
| Guru Tegh Bahadur | The ninth Guru of Sikhism | 1621–1675 |
| Bahá'u'lláh | founder of the Bahá'í Faith | 1817–1892 |
| John N. Bahcall | American physicist | 1934–2005 |
| Julius Bahnsen | German philosopher | 1830–1881 |
| Hermann Bahr | austrian dramatic, publicist … | 1863–1934 |
| Sultan Bahu | Punjabi poet | 1630–1691 |
| Li Bai | Chinese poet of the Tang dyna… | 701–762 |
| Meera Bai | Hindu mystic poet | |
| Annette Baier | New Zealand philosopher | 1929–2012 |
| Alice A. Bailey | esoteric, theosophist, writer | 1880–1949 |
| Bill Bailey | English comedian, musician, a… | 1965 |
| Elisabeth Tova Bailey | writer | |
| F. Lee Bailey | American lawyer | 1933 |
| J. Michael Bailey | American psychologist | 1957 |
| Jonathan Bailey | British actor | 1988 |
| Pearl Bailey | American singer | 1918–1990 |
| Philip James Bailey | British writer and poet | 1816–1902 |
| Thomas A. Bailey | American historian | 1902–1983 |
| Trevor Bailey | England Test cricketer, crick… | 1923–2011 |
| Bruce Baillie | American film director | 1931 |
| Joanna Baillie | Scottish poet and dramatist | 1762–1851 |
| Louis Le Bailly | Royal Navy admiral | 1915–2010 |
| Bernard Bailyn | American historian | 1922 |
| Alexander Bain | Scottish philosopher and educ… | 1818–1903 |
| Beryl Bainbridge | English novelist | 1932–2010 |
| Frank Bainimarama | Prime Minister of Fiji | 1954 |
