B
- Milton Babbitt (1916–2011)
- Burt Bacharach (born 1928)
- Ernst Bacon (1898–1990)
- David Baker (born 1931)
- Robert Baksa (born 1938)
- Leonardo Balada (born 1933)
- George Barati (1913–1996)
- Samuel Barber (1910–1981)
- Wayne Barlow (1912–1996)
- Matthew Barnson (born 1979)
- Marion Bauer (1882–1955)
- Amy Beach (1867–1944)
- Robert Beadell (1925–1994)
- Robert Beaser (born 1954)
- Jeremy Beck (born 1960)
- Johann H. Beck (1856–1924)
- John J. Becker (1886–1961)
- René-Louis Becker (1882–1956)
- Jack Beeson (1921–2010)
- Supply Belcher (1751–1836)
- Robert Russell Bennett (1894–1981)
- Arthur Berger (1912–2003)
- Jonathan Berger (born 1954)
- William Bergsma (1921–1994)
- Irving Berlin (1888–1989)
- Derek Bermel (born 1967)
- Elmer Bernstein (1922–2004)
- Leonard Bernstein (1918–1990)
- William Billings (1746–1800)
- Phillip Bimstein (born 1947)
- Seth Bingham (1882–1972)
- Arthur H. Bird (1856–1923)
- Easley Blackwood, Jr. (born 1933)
- Eubie Blake (1883–1983)
- William Burdine Blake, Sr. (1852–1938)
- Marc Blitzstein (1905–1964)
- Ernest Bloch (1880–1959)
- Dušan Bogdanović (born 1955)
- William Bolcom (born 1938)
- Margaret Bonds (1913–1972)
- Francis Boott (1813–1904)
- David Borden (born 1938)
- Benjamin Boretz (born 1934)
- Paul Bowles (1910–1999)
- Henry Brant (1913–2008)
- Joseph Carl Breil (1870–1926)
- Roger Briggs (born 1952)
- George Frederick Bristow (1825–1898)
- Howard Brockway (1870–1951)
- Earle Brown (1926–2002)
- Dave Brubeck (born 1920)
- George Brunner (born 1951)
- Mark Bucci (1924–2002)
- Dudley Buck (1839–1909)
- Harold Budd (born 1936)
- Frederick Field Bullard (1864–1904)
- Cecil Burleigh (1885–1980)
- Harry Burleigh (1866–1949)
- Howard J. Buss (1951-)
Read more about this topic: List Of American Composers