{|class="wikitable sortable"
|-
! Senator !! Lifespan !! Party !! Prov. !! Entered !! Left !! Appointed by !! Left due to !! For life?
|-
| Lise Bacon || 1934–present|| L || QC || 15 September 1994 || 25 August 2009 || Chrétien || Retirement ||
|-
| Pierre Baillargeon || 1812–1891 || L || QC || 27 March 1874 || 15 December 1891 || Mackenzie || Death || Y
|-
| Alexander Boyd Baird || 1891–1967 || L || NL || 17 August 1949 || 23 November 1967 || St. Laurent || Death || Y
|-
| George Thomas Baird || 1847–1917 || C || NB || 19 June 1895 || 21 April 1917 || Bowell || Death || Y
|-
| George Baker || 1942–present|| L || NL || 26 March 2002 || 4 September 2017 || Chrétien || Retirement ||
|-
| George Barnard Baker || 1834–1910 || LC || QC || 7 January 1896 || 9 February 1910 || Bowell || Death || Y
|-
| James Balfour || 1928–1999 || PC || SK || 13 September 1979 || 12 December 1999 || Clark || Death ||
|-
| Charles Ballantyne || 1867–1950 || C || QC || 3 February 1932 || 19 October 1950 || Bennett || Death || Y
|-
| Tommy Banks || 1936–2018 || L || AB || 7 April 2000 || 17 December 2011 || Chrétien || Retirement ||
|-
| George Hilton Barbour || 1878–1962 || L || PE || 6 July 1949 || 6 February 1962 || St. Laurent || Death || Y
|-
| George Henry Barnard || 1868–1954 || C || BC || 23 October 1917 || 8 November 1945 || Borden || Resignation || Y
|-
| Staff Barootes || 1918–2000 || PC || SK || 21 December 1984 || 25 May 1993 || Mulroney || Resignation ||
|-
| Irvine Barrow || 1913–2005 || L || NS || 8 May 1974 || 15 February 1988 || Trudeau, P. || Retirement ||
|-
| Michael Basha || 1896–1976 || L || NL || 24 January 1951 || 18 November 1976 || St. Laurent || Resignation || Y
|-
| Denise Batters || 1970–present || C || SK || 25 January 2013 || — || Harper || — ||
|-
| Jean Bazin || 1940–2019 || PC || QC || 29 December 1986 || 8 December 1989 || Mulroney || Resignation ||
|-
| Arthur-Lucien Beaubien || 1879–1971 || L || MB || 29 January 1940 || 1 February 1969 || King || Resignation || Y
|-
| Charles-Philippe Beaubien || 1870–1949 || C || QC || 3 December 1915 || 17 January 1949 || Borden || Death || Y
|-
| Louis-Philippe Beaubien || 1903–1985 || PC || QC || 16 November 1960 || 28 March 1985 || Diefenbaker || Death || Y
|-
| Gérald Beaudoin || 1929–2008 || C || QC || 26 September 1988 || 15 April 2004 || Mulroney || Retirement ||
|-
| Mario Beaulieu || 1930–1998 || PC || QC || 30 August 1990 || 22 June 1994 || Mulroney || Resignation ||
|-
| Élie Beauregard || 1884–1954 || L || QC || 9 February 1940 || 27 August 1954 || King || Death || Y
|-
| François Béchard || 1830–1897 || L || QC || 17 July 1896 || 13 April 1897 || Laurier || Death || Y
|-
| Frédéric Liguori Béique || 1845–1933 || L || QC || 7 February 1902 || 12 September 1933 || Laurier || Death || Y
|-
| Robert Beith || 1843–1922 || L || ON || 15 January 1907 || 26 January 1922 || Laurier || Death || Y
|-
| Henri Sévérin Béland || 1869–1935 || L || QC || 5 September 1925 || 22 April 1935 || King || Death || Y
|-
| Napoléon Belcourt || 1860–1932 || L || ON || 22 November 1907 || 7 August 1932 || Laurier || Death || Y
|-
| Rhéal Bélisle || 1919–1992 || PC || ON || 4 February 1963 || 3 November 1992 || Diefenbaker || Death || Y
|-
| Adam Carr Bell || 1847–1912 || C || NS || 23 October 1911 || 30 October 1912 || Borden || Death || Y
|-
| Nancy Bell || 1924–1989 || L || BC || 7 October 1970 || 29 November 1989 || Trudeau, P. || Death ||
|-
| Narcisse-Fortunat Belleau || 1808–1894 || C || QC || colspan=2 | — || Royal proclamation || Declined || Y
|-
| Diane Bellemare || 1949–present|| C→NA || QC || 6 September 2012 || — || Harper || — ||
|-
| Joseph-Hyacinthe Bellerose || 1820–1899 || C || QC || 7 October 1873 || 13 August 1899 || Macdonald || Death || Y
|-
| Aimé Bénard || 1873–1938 || C || MB || 3 September 1917 || 8 January 1938 || Borden || Death || Y
|-
| John Joseph Bench || 1905–1947 || L || ON || 19 November 1942 || 9 December 1947 || King || Death || Y
|-
| William Moore Benidickson || 1911–1985 || L || ON || 7 July 1965 || 1 April 1985 || Pearson || Death ||
|-
| William Humphrey Bennett || 1859–1925 || C || ON || 13 November 1917 || 15 March 1925 || Borden || Death || Y
|-
| James Rea Benson || 1807–1885 || LC || ON || 14 March 1868 || 18 March 1885 || Macdonald || Death || Y
|-
| Wanda Thomas Bernard || 1953–present|| NA || NS || 10 November 2016 || — || Trudeau, J. || — ||
|-
| Thomas-Alfred Bernier || 1844–1908 || C || MB || 27 October 1892 || 30 December 1908 || Abbott || Death || Y
|-
| Eric Berntson || 1941–2018 || PC || SK || 27 September 1990 || 27 February 2001 || Mulroney || Resignation ||
|-
| Lynn Beyak || 1949–present|| C || ON || 25 January 2013 || 25 January 2021 || Harper || Resignation ||
|-
| Martha Bielish || 1915–2010 || PC || AB || 27 September 1979 || 26 September 1990 || Clark || Resignation ||
|-
| Caleb Rand Bill || 1806–1872 || LC || NS || 23 October 1867 || 1 February 1872 || Royal proclamation || Death || Y
|-
| Florence Bird || 1908–1998 || L || ON || 23 March 1978 || 15 January 1983 || Trudeau, P. || Retirement ||
|-
| Michel Biron || 1934–2023 || L || QC || 4 October 2001 || 16 March 2009|| Chrétien || Retirement ||
|-
| Charles Lawrence Bishop || 1876–1966 || L || ON || 18 April 1945 || 23 September 1966 || King || Resignation || Y
|-
| Doug Black || 1952–present|| C→NA || AB || 25 January 2013 || 31 October 2021 || Harper || Resignation ||
|-
| Frank Bunting Black || 1869–1945 || C || NB || 25 November 1921 || 28 February 1945 || Meighen || Death || Y
|-
| Robert Black || 1962–present || || ON || 15 February 2018 || — || Trudeau, J. || — ||
|-
| Thomas Reuben Black || 1832–1905 || L || NS || 10 June 1904 || 14 September 1905 || Laurier || Death || Y
|-
| Richard Blain || 1857–1926 || C || ON || 26 July 1917 || 27 November 1926 || Borden || Death || Y
|-
| Adam Johnston Fergusson Blair || 1815–1867 || L || ON || 23 October 1867 || 29 December 1867 || Royal proclamation || Death || Y
|-
| Aristide Blais || 1875–1964 || L || AB || 29 January 1940 || 10 November 1964 || King || Death || Y
|-
| Oliver Blake || 1802–1873 || L || ON || 23 October 1867 || 10 December 1873 || Royal proclamation || Death || Y
|-
| Frederick Murray Blois || 1893–1984 || PC || NS || 14 January 1960 || 12 October 1976 || Diefenbaker || Resignation || Y
|-
| Peter Boehm || 1954–present|| || ON || 3 October 2018 || — || Trudeau, J. || — ||
|-
| Pierre-Édouard Blondin || 1874–1943 || C || QC || 20 July 1918 || 29 October 1943 || Borden || Death || Y
|-
| Henri Charles Bois || 1897–1962 || L || QC || 3 January 1957 || 18 July 1962 || St. Laurent || Death || Y
|-
| Pierre-Hugues Boisvenu || 1949–present|| C || QC || 29 January 2010 || 11 February 2024 || Harper || Retirement ||
|-
| Joseph Bolduc || 1847–1924 || NC || QC || 3 October 1884 || 13 August 1924 || Macdonald || Death || Y
|-
| Roch Bolduc || 1928–present|| C || QC || 26 September 1988 || 10 September 2003 || Mulroney || Retirement ||
|-
| Gwen Boniface || 1955–present|| NA || ON || 10 November 2016 || — || Trudeau, J. || — ||
|-
| Lorne Bonnell || 1923–2006 || L || PE || 15 November 1971 || 4 January 1998 || Trudeau, P. || Retirement ||
|-
| Peter Bosa || 1927–1998 || L || ON || 5 April 1977 || 10 December 1998 || Trudeau, P. || Death ||
|-
| Joseph-Noël Bossé || 1807–1881 || C || QC || 23 October 1867 || 1 January 1868 || Royal proclamation || Resignation || Y
|-
| Hewitt Bostock || 1864–1930 || L || BC || 6 June 1904 || 28 April 1930 || Laurier || Death || Y
|-
| Amos Edwin Botsford || 1804–1894 || C || NB || 23 October 1867 || 22 March 1894 || Royal proclamation || Death || Y
|-
| Télesphore-Damien Bouchard || 1881–1962 || L || QC || 3 March 1944 || 13 November 1962 || King || Death || Y
|-
| William Albert Boucher || 1889–1976 || L || SK || 3 January 1957 || 23 June 1976 || St. Laurent || Death || Y
|-
| Charles Boucher de Boucherville || 1822–1915 || C || QC || 12 February 1879 || 11 September 1915 || Macdonald || Death || Y
|-
| Bernie Boudreau || 1944–present|| L || NS || 4 October 1999 || 26 October 2000 || Chrétien || Resignation ||
|-
| Victor Boudreau || 1970–present || || NB || 28 June 2024 || — || Trudeau, J. || — ||
|-
| Paul Henri Bouffard || 1895–1966 || L || QC || 27 December 1946 || 16 February 1966 || King || Death || Y
|-
| Charles Arkoll Boulton || 1841–1899 || LC || MB || 10 December 1889 || 15 May 1899 || Macdonald || Death || Y
|-
| Charles Bourgeois || 1879–1940 || C || QC || 15 August 1935 || 15 May 1940 || Bennett || Death || Y
|-
| Maurice Bourget || 1907–1979 || L || QC || 27 April 1963 || 29 March 1979 || Pearson || Death || Y
|-
| John George Bourinot || 1814–1884 || LC || NS || 23 October 1867 || 21 January 1884 || Royal proclamation || Death || Y
|-
| Romuald Bourque || 1889–1974 || L || QC || 6 July 1963 || 14 August 1974 || Pearson || Death || Y
|-
| Thomas-Jean Bourque || 1864–1952 || C || NB || 20 January 1917 || 16 February 1952 || Borden || Death || Y
|-
| Patricia Bovey || 1948–present|| NA || MB || 10 November 2016 || 15 May 2023 || Trudeau, J. || Retirement ||
|-
| Mackenzie Bowell || 1823–1917 || C || ON || 5 December 1892 || 10 December 1917 || Thompson || Death || Y
|-
| John Boyd || 1826–1893 || LC || NB || 11 February 1880 || 21 September 1893 || Macdonald || Resignation || Y
|-
| Arthur Boyer || 1851–1922 || L || QC || 28 June 1909 || 24 January 1922 || Laurier || Death || Y
|-
| Gustave Benjamin Boyer || 1871–1927 || L || QC || 11 March 1922 || 2 December 1927 || King || Death || Y
|-
| Yvonne Boyer || 1953–present|| || ON || 15 March 2018 || — || Trudeau, J. || — ||
|-
| George Henry Bradbury || 1859–1925 || C || MB || 17 December 1917 || 6 September 1925 || Borden || Death || Y
|-
| Joseph-Arthur Bradette || 1886–1961 || L || ON || 12 June 1953 || 12 September 1961 || St. Laurent || Death || Y
|-
| Frederick Gordon Bradley || 1888–1966 || L || NL || 12 June 1953 || 30 March 1966 || St. Laurent || Death || Y
|-
| David Braley || 1941–2020 || C || ON || 20 May 2010 || 30 November 2013 || Harper || Resignation ||
|-
| Patrick Brazeau || 1974–present|| C→IC→NA || QC || 8 January 2009 || — || Harper || — ||
|-
| Alfred Johnson Brooks || 1890–1967 || PC || NB || 12 September 1960 || 7 November 1967 || Diefenbaker || Resignation || Y
|-
| William Henry Brouse || 1824–1881 || R || ON || 9 August 1878 || 23 August 1881 || Mackenzie || Death || Y
|-
| Albert Joseph Brown || 1861–1938 || C || QC || 6 October 1932 || 16 November 1938 || Bennett || Death || Y
|-
| Bert Brown || 1938–2018 || C || AB || 10 July 2007 || 22 March 2013 || Harper || Retirement ||
|-
| George Brown || 1818–1880 || L || ON || 16 December 1873 || 9 May 1880 || Mackenzie || Death || Y
|-
| William Brunt || 1902–1962 || PC || ON || 12 October 1957 || 7 July 1962 || Diefenbaker || Death || Y
|-
| John G. Bryden || 1937–2016 || L || NB || 23 November 1994 || 31 October 2009 || Chrétien || Resignation ||
|-
| John Buchanan || 1931–2019 || C || NS || 12 September 1990 || 22 April 2006 || Mulroney || Retirement ||
|-
| John Alexander Buchanan || 1887–1976 || PC || AB || 15 January 1959 || 2 October 1965 || Diefenbaker || Voluntary retirement || Y
|-
| William Ashbury Buchanan || 1876–1954 || L || AB || 5 September 1925 || 11 July 1954 || King || Death || Y
|-
| Sidney Buckwold || 1916–2001 || L || SK || 4 November 1971 || 3 November 1991 || Trudeau, P. || Retirement ||
|-
| Harcourt Burland Bull || 1824–1881 || C || ON || 24 February 1879 || 12 August 1881 || Macdonald || Death || Y
|-
| George Percival Burchill || 1889–1977 || L || NB || 19 April 1945 || 19 August 1977 || King || Resignation || Y
|-
| Jacques Bureau || 1860–1933 || L || QC || 5 September 1925 || 23 January 1933 || King || Death || Y
|-
| Jacques-Olivier Bureau || 1820–1883 || L || QC || 23 October 1867 || 7 February 1883 || Royal proclamation || Death || Y
|-
| Sharon Burey || 1957–present || || ON || 21 November 2022 || — || Trudeau, J. || — ||
|-
| Vincent P. Burke || 1878–1953 || L || NL || 25 January 1950 || 19 December 1953 || St. Laurent || Death || Y
|-
| Asa Allworth Burnham || 1808–1873 || C || ON || 23 October 1867 || 10 May 1873 || Royal proclamation || Death || Y
|-
| Kennedy Francis Burns || 1842–1895 || L || NB || 21 March 1893 || 23 June 1895 || Thompson || Death || Y
|-
| Patrick Burns || 1856–1937 || I || AB || 6 July 1931 || 1 June 1936 || Bennett || Resignation || Y
|-
| Charles Burpee || 1817–1909 || L || NB || 1 February 1900 || 19 July 1900 || Laurier || Resignation || Y
|-
| Bev Busson || 1951–present|| || BC || 27 September 2018 || — || Trudeau, J. || — ||
|-
| JoAnne Buth || 1954–present|| C || MB || 6 January 2012 || 10 August 2014 || Harper || Resignation ||
|-
| Peggy Butts || 1924–2004 || L || NS || 23 September 1997 || 15 August 1999 || Chrétien || Retirement ||
|}