Senator Briggs
- Angela Bryant (born 1951), North Carolina State Senate
- Bruce S. Bryant (born 1961), Maine State Senate
- George E. Bryant (1832–1907), Wisconsin State Senate
- Kevin L. Bryant (born 1967), politician, pharmacist, and businessman
- Wayne R. Bryant (born 1947), New Jersey State Senate
- William P. Bryant (1806–1860), American jurist from Kentucky
- James H. Brady (1862–1918), U.S. Senator from Idaho
- Nicholas F. Brady (born 1930), U.S. Senator from New Jersey
- Bill Brady (politician) (born 1961), Illinois State Senate
- Dan Brady (Ohio politician), Ohio State Senate
- John Leeford Brady (1866–1933), Kansas State Senate
- John Thomas Brady (1830–1890), Texas State Senate
- Joan Bray (born 1945), Missouri State Senate
- Rodric Bray (born 1969), Indiana State Senate
- William M. Bray (1880–1964), Wisconsin State Senate.
- George Brayton (New York politician) (1772–1837), New York
- Isaac Brayton (1801–1885), Ohio State Senate
- John C. Breckinridge (1821–1875), American lawyer, politician, and soldier
- John Breckinridge (U.S. Attorney General) (1760–1806), Virginia
- Brick Breeden (1904–1977), Montana State Senate
- Shirley Breeden, Nevada State Senate
- Cathy Breen (born 1965), Maine State Senate
- Fred Sylvester Breen (1869–1932)
- James B. Brennan (1926–1999), Wisconsin State Senate
- John A. Brennan Jr. (born 1945), Massachusetts State Senate
- Michael F. Brennan (born 1953), Maine
- Vincent M. Brennan (1890–1959), Michigan
- William C. Brennan (1918–2000), New York
- J. S. Brenner (1911–1980), Montana
- George William Brent (1821–1872), Virginia State Senate
- Richard Brent (politician) (1757–1814), U.S. Senator from Virginia
- Earl L. Brewer (1869–1942), Mississippi
- Jan Brewer (born 1944), Arizona
- Mark S. Brewer (1837–1901), politician from the U.S. state of Michigan
- Stephen Brewer (born 1948), Massachusetts State Senate
- Daniel Brewster (1923–2007), U.S. Senator from Maryland from 1963 to 1969
- Jim Brewster, Pennsylvania State Senate
- Owen Brewster (1888–1961), politician from Maine
- Frank M. Bridges (1834–1885), Illinois
- Styles Bridges (1898–1961), U.S. Senator from New Hampshire
-==See also==
- Earl Brydges (1905–1975), New York State Senate
- Ebenezer N. Briggs (1801–1873), Vermont
- Eddie Briggs (born 1949), Mississippi
- Frank O. Briggs (1851–1913), U.S. Senator from New Jersey from 1907 to 1913
- Frank P. Briggs (1894–1992)
- James Frankland Briggs (1827–1905), New Hampshire
- John Q. Briggs (1848–1921), Minnesota
- John Briggs (politician) (born 1930), California State Senate
- Richard Briggs (born 1952), Tennessee State Senate
- Jesse D. Bright (1812–1875), U.S. Senator from Indiana; also served in the Indiana State Senate
- Lee Bright (born 1970), South Carolina State Senate
- David R. Brinkley (born 1959), Maryland
- Rick Brinkley (born 1961), Oklahoma State Senate
- Nathan Bristol (1805–1874), New York
- Wheeler H. Bristol (1818–1904), New York
- William Bristol (1779–1836), Connecticut
- Danny Britt (born 1979), North Carolina State Senate
- Gwendolyn T. Britt (1941–2008), Maryland State Senate
- James Jefferson Britt (1861–1939), North Carolina
- Andrew C. Brock (born 1974), North Carolina State Senate
- Bill Brock (born 1930), U.S. Senator
- Randy Brock (born 1943), politician from Vermont
- Robert K. Brock (1878–1962), Virginia State Senate
- William Emerson Brock (1872–1950), U.S. Senator from Tennessee from 1929 to 1931.
- Peter M. Brockman, Oregon State Senate
- Thomas Patterson Brockman (1797–1859)
- Case Broderick (1839–1920)
- David C. Broderick (1820–1859), U.S. Senator from California
- John Broderick (politician) (1865–1939), American businessman and politician
- Mike Broderick (born 1939), South Dakota State Senate
- Richard Brodhead (1811–1863), Pennsylvania
- Thornton F. Brodhead (1822–1862)
- Alvin Bronson (1783–1881), New York
- Charles H. Bronson (born 1949), Florida
- Harrison A. Bronson (1873–1947), North Dakota
- Irlo Bronson Sr. (1900–1973), Florida
- Lester Bronson (1905–1972)
- Stiles H. Bronson (1842–1930), South Dakota State Senate
- Edward Brooke (1919–2015), U.S. Senator from Massachusetts from 1967 to 1979
- Francis T. Brooke (1763–1851), Virginia
- Walker Brooke (1813–1869), U.S. Senator from Mississippi from 1852 to 1853
- John Broome (politician) (1738–1810), New York State Senate
- Sharon Weston Broome (born 1956), Louisiana State Senate
- Bill Brotherton (fl. 2010s), Arizona State Senate
- William T. Brotherton Jr. (1926–1997), West Virginia State Senate
- J. Melville Broughton (1888–1949), U.S. Senator from North Carolina in 1949
- Needham B. Broughton (1848–1914), North Carolina State Senate
- Edwin S. Broussard (1874–1934), U.S. Senator from Louisiana from 1921 to 1933
- Robert F. Broussard (1864–1918), U.S. Senator from Louisiana
- Greg Brower (born 1964), Nevada State Senate
- John M. Brower (1845–1913), North Carolina
- John W. Browning (1842–1904), American journalist, lawyer and politician from New York
- Nickey Browning (born 1951), Mississippi State Senate
- Orville Hickman Browning (1806–1881), U.S. Senator from Illinois
- Richard Browning (politician) (born 1952), West Virginia State Senate
- John W. Brownson (1807–1860), politician from New York
- Nathan Brownson (1742–1796), Georgia
- Doug Broxson (born 1949)
- John R. Broxson (1932–2019), politician in the state of Florida
- Blanche Bruce (1841–1898), born a slave in Prince Edward County, Virginia
- George A. Bruce (1839–1929), Massachusetts State Senate
- Terry L. Bruce (born 1944), U.S. Representative from Illinois
- Terry Bruce (politician) (born 1975), Kansas State Senate
- William Cabell Bruce (1860–1946), U.S. Senator from Maryland from 1923 to 1929
- George W. Brush (1842–1927), American soldier, dentist, physician and politician
- Henry Brush (1778–1855), lawyer, soldier, legislator and farmer
- Joey Brush (1955–2015), American businessman and politician
- Charles Henry Bryan (1822–1877), California
- James W. Bryan (1874–1956), U.S. Representative from Washington State
- Nathan Philemon Bryan (1872–1935), U.S. Senator from Florida
- Richard Bryan (born 1937), U.S. Senator from Nevada from 1989 to 2001
- Silas Bryan (1822–1880), Illinois State Senate
- William James Bryan (1876–1908), U.S. Senator from Florida
- Dean F. Bryson (1910–1995), Oregon
- Jim Bryson (politician) (born 1961), Tennessee State Senate