B
- George Washington Baines (1809–1882) Baptist pastor and evangelist, maternal great-grandfather of Lyndon Baines Johnson
- Fred Baden (1934–2009) politician
- Algernon Sidney Badger (1839–1905) politician
- Bobby Badon (born 1950) politician
- Ben Bagert (born 1943) lawyer, politician
- Bryant W. Bailey (1868–1961) politician
- John Henry Baker (born 1934) politician
- Richard Baker (born 1948) former U.S. Representative
- Scott Baker (born 1981) starting pitcher for the Minnesota Twins
- Jesse Bankston (1907–2010) politician
- Allen Bares (1936–2008) politician
- C. E. "Cap" Barham (1905–1972) state senator and later lieutenant governor from 1952 to 1956
- Charles C. Barham (1934–2010) state senator from Ruston
- Edwards Barham (born 1937) first Republican elected to Louisiana state senate since Reconstruction, served 1976-1980
- Mack Barham (1924-2006) Judge of the Louisiana Supreme Court
- Robert J. Barham (born 1949) Secretary of the Department of Wildlife and Fisheries; former Republican state senator
- Danny Barker (1909–1994) singer/songwriter, musician, writer
- Taylor Barras (born 1957) state representative
- Greg Barro (born 1957) state senator
- Dave Bartholomew (born 1920) musician, composer, promoter
- Robert E. "Bob" Barton (born 1948) state representative from Bossier Parish (1996–2000)
- Brandon Bass (born 1985) power forward for the Boston Celtics
- Ron Bean (1938–2005) politician, pilot for Richard Nixon
- Bryan Batt (born 1963) actor, Sal Romano on Mad Men
- Arnaz Battle (born 1980) wide receiver for the Pittsburgh Steelers
- Jack Batton (1913–1996) mayor of Minden (1978–1982)
- Gary Beard (born 1956) politician
- Hazel Beard (born 1930) mayor of Shreveport (1990–1994)
- P.G.T. Beauregard (1818–1893) general, inventor
- Geoffrey Beene (1927–2004) fashion designer
- Sidney Bechet (1897–1959) musician
- Demetrius Bell (born 1984) offensive tackle for the Philadelphia Eagles
- V.J. Bella (born 1927) state legislator and fire marshal
- E. J. Bellocq (1873–1949) photographer
- Judah P. Benjamin (1811–1884) U.S. Senator, Confederate cabinet member, lawyer in Great Britain
- Kirt Bennett (1967–2010), businessman and politician
- Michael Bennett (born 1985) defensive end for the Tampa Bay Buccaneers
- J. Rayburn Bertrand (1918–2005) mayor of Lafayette
- B.G. (born 1980) rapper, musician
- Rene J. Bienvenu (1923–1983) university president
- Bienville (Jean-Baptiste Le Moyne) (1680–1767) French colonial governor, founder of New Orleans
- Walter O. Bigby (1927–1980) politician
- Stuart Bishop (born ca. 1975), incoming member of the Louisiana House of Representatives from Lafayette
- Morton Blackwell (born 1939), Louisiana Republican political activist, since relocated to Virginia
- Cecil R. Blair (1916–2001) state representative and state senator from Rapides Parish
- Joan Blair (born 1960) actress
- Newton C. Blanchard (1849–1922) governor of Louisiana from 1904 to 1908; U.S. senator from 1894 to 1897
- Terrence Blanchard (born 1962) musician, composer
- Kathleen Blanco (born 1942) Governor of Louisiana (2004–2008)
- Walter Boasso (born 1960) politician, businessman
- Jean Boese (1925–2004) politician and poet laureate
- Lindy Boggs (born 1916) congresswoman, ambassador
- Buddy Bolden (1877–1930) musician, "inventor of jazz"(?)
- William R. "Billy" Boles, Sr. (1927–2008) politician, banker
- Skip Bolen photographer
- Bruce M. Bolin (born 1950) state representative; district court judge
- James E. Bolin (1914–2002) state representative; district court judge; appeal court judge
- C. J. Bolin (1924–2007) district court judge in Caddo Parish
- James Booker (1939–1983) musician
- Billy Joe Booth (1940–1972) Canadian football player for Ottawa Rough Riders of Canadian Football League
- Pierre Bossier (1797-1844) first U.S. representative from Louisiana's 4th congressional district, 1843-1844
- Drayton Boucher (1908–1983) politician
- Jesse L. Boucher (1912–2004) politician; developer
- Savannah Smith Boucher (born 1943) actress
- Sherry Boucher (born 1943) actress
- Charles Boustany (born 1956) US Representative
- John Boutté (born 1958) jazz singer
- W. George Bowdon, Jr. (1921–2005) state representative and mayor of Alexandria (1953–1969)
- Kenny Bowen (1926–2002) mayor of Lafayette
- Shirley D. Bowler (born 1949) state representative
- Betsy Vogel Boze (born 1953) University President at Kent State University Stark Campus
- Terry Bradshaw (born 1948) Pittsburgh Steelers quarterback
- Mike Branch (born 1968) politician and commercial pilot
- Parey Branton (1918–2011) politician
- Wellman Braud (1891–1966) musician
- Donna Brazile (born 1959) author, professor, political analyst for the Democratic Party
- John Breaux (born 1944) U.S. Senator
- Phanor Breazeale (1858-1934) U.S. Representative
- Henry L. Bridges (1874–1939) businessman, politician
- Reid Brignac (born 1986) shortstop for the Tampa Bay Rays
- Pat Brister (born 1946) politician
- Poppy Z. Brite (born 1967) writer
- Chris Broadwater (born 1972) politician
- Overton Brooks (1897–1961) politician
- Marc Broussard (born 1982) singer/songwriter
- Algie D. Brown (1910–2004) politician
- Campbell Brown (born 1968) journalist
- Edmund Graves Brown (1921–2008) newspaper executive
- H. Rap Brown (born 1943) black activist imprisoned in Georgia
- Henry Newton Brown, Jr. (born 1941) state appeals court chief judge
- James H. "Jim" Brown (born 1940) politician
- John Calhoun Brown (1879–1964) politician
- Ossie Brown (1926–2008) attorney; district attorney of East Baton Rouge Parish, 1972–1984
- Sharon Brown Miss USA 1961
- Tom Brown (1888–1958) musician
- W. K. Brown (1923–2011) state representative
- Roy Brun (born 1953) state representative and judge from Caddo Parish
- Peppi Bruneau (born 1942) state representative from Orléans Parish
- George Brunies (1902–1974) musician
- George E. Burch (1910–1986) noted cardiologist and Tulane Medical School professor
- Richard Burford (born 1946) politician
- Paul Burke (1926–2009) actor: Naked City,Twelve O'Clock High
- Henry Burns (born 1947) politician
- Timothy G. Burns (born 1957) politician
- Bryan Edward Bush, Jr. (1934–2010), East Baton Rouge Parish district attorney, 1985–1989
- Victor Bussie (1919–2011) AFL-CIO president from 1956 to 1997
- Noel "Gene" Byars (born 1939) politician
- C.E. Byrd (1859-1926) educator, founder of C.E. Byrd High School
Read more about this topic: List Of People From Louisiana