List of members of the Senate of Canada (D)
# List of members of the Senate of Canada (D)

## List of members of the Senate of Canada

* A
* B
* C
* D
* E
* F
* G
* H
* I
* J
* K
* L
* M
* N
* O
* P
* Q
* R
* S
* T
* U
* V
* W
* X
* Y
* Z

| Senator | Lifespan | Party | Prov. | Entered | Left | Appointed by | Left due to | For life? |
| - | - | - | - | - | - | - | - | - |
| Jean-Guy Dagenais | 1950–present | C | QC | 17 January 2012 | — | Harper | — | |
| Armand Daigle | 1892–1957 | L | QC | 3 March 1944 | 8 March 1957 | King | Death | Y |
| Roméo Dallaire | 1946–present | L | QC | 24 March 2005 | 17 June 2014 | Martin | Resignation | |
| Pierre Dalphond | 1954–present | | QC | 6 June 2018 | — | Trudeau, J. | — | |
| Raoul Dandurand | 1861–1942 | L | QC | 22 January 1898 | 11 March 1942 | Laurier | Death | Y |
| John Waterhouse Daniel | 1845–1933 | C | NB | 18 March 1912 | 11 January 1933 | Borden | Death | Y |
| Donna Dasko | 1951–present | | ON | 6 June 2018 | — | Trudeau, J. | — | |
| Keith Davey | 1926–2011 | L | ON | 24 February 1966 | 1 July 1996 | Pearson | Resignation | |
| Athanase David | 1882–1953 | L | QC | 9 February 1940 | 26 January 1953 | King | Death | Y |
| Laurent-Olivier David | 1840–1926 | L | QC | 19 June 1903 | 24 August 1926 | Laurier | Death | Y |
| Paul David | 1919–1999 | PC | QC | 16 April 1985 | 25 December 1994 | Mulroney | Retirement | |
| Rupert Davies | 1879–1967 | L | ON | 19 November 1942 | 11 March 1967 | King | Death | Y |
| John Caswell Davis | 1888–1953 | L | MB | 25 January 1949 | 25 October 1953 | St. Laurent | Death | Y |
| Thomas Osborne Davis | 1856–1917 | L | NT | 30 September 1904 | 23 January 1917 | Laurier | Death | Y |
| Dennis Dawson | 1949–present | L | QC | 2 August 2005 | — | Martin | — | |
| Joseph A. Day | 1945–present | L | NB | 4 October 2001 | 24 January 2020 | Chrétien | Retirement | |
| Pierre de Bané | 1938–2019 | L | QC | 29 June 1984 | 2 August 2013 | Trudeau, P. | Retirement | |
| Robert de Cotret | 1944–1999 | PC | ON | 5 June 1979 | 14 January 1980 | Clark | Resignation | |
| Colin Deacon | 1959–present | | NS | 15 June 2018 | — | Trudeau, J. | — | |
| Marty Deacon | 1958–present | | ON | 15 February 2018 | — | Trudeau, J. | — | |
| Tony Dean | 1953–present | NA | ON | 10 November 2016 | — | Trudeau, J. | — | |
| Pierre Antoine Deblois | 1815–1898 | C | QC | 13 February 1883 | 21 June 1898 | Macdonald | Death | Y |
| Alphonse-Arthur Miville Déchêne | 1848–1902 | L | QC | 13 May 1901 | 1 May 1902 | Laurier | Death | Y |
| Jacques Demers | 1944–present | C→NA | QC | 27 August 2009 | 25 August 2019 | Harper | Retirement | |
| Azellus Denis | 1907–1991 | L | QC | 3 February 1964 | 4 September 1991 | Pearson | Death | Y |
| William Dennis | 1856–1920 | IC | NS | 20 November 1912 | 11 July 1920 | Borden | Death | Y |
| William Henry Dennis | 1887–1954 | C | NS | 3 February 1932 | 18 January 1954 | Bennett | Death | Y |
| Daniel Derbyshire | 1846–1916 | L | ON | 22 November 1907 | 18 June 1916 | Laurier | Death | Y |
| Jean-Paul Deschatelets | 1912–1986 | L | QC | 24 February 1966 | 10 January 1986 | Pearson | Resignation | |
| Alphonse Desjardins | 1841–1912 | C | QC | 1 October 1892 | 16 June 1896 | Abbott | Resignation | Y |
| Jean Noël Desmarais | 1924–1995 | PC | ON | 4 June 1993 | 25 July 1995 | Mulroney | Death | |
| Paul Desruisseaux | 1905–1982 | L | QC | 8 July 1966 | 1 May 1980 | Pearson | Retirement | |
| Georges-Casimir Dessaulles | 1827–1930 | L | QC | 12 March 1907 | 19 April 1930 | Laurier | Death | Y |
| Jean-Marie Dessureault | 1888–1970 | L | QC | 9 June 1945 | 16 August 1970 | King | Resignation | Y |
| Leverett George DeVeber | 1849–1925 | L | AB | 8 March 1906 | 9 July 1925 | Laurier | Death | Y |
| James Dever | 1825–1904 | L | NB | 14 March 1868 | 7 May 1904 | Macdonald | Death | Y |
| Mabel DeWare | 1926–2022 | PC | NB | 23 September 1990 | 9 August 2001 | Mulroney | Retirement | |
| Consiglio Di Nino | 1938–present | C | ON | 30 August 1990 | 30 June 2012 | Mulroney | Retirement | |
| Robert B. Dickey | 1812–1903 | C | NS | 23 October 1867 | 14 July 1903 | Royal proclamation | Death | Y |
| Fred Dickson | 1937–2012 | C | NS | 22 December 2008 | 9 February 2012 | Harper | Death | |
| Walter Hamilton Dickson | 1806–1885 | C | ON | 23 October 1867 | 19 February 1884 | Royal proclamation | Resignation | Y |
| John Dobson | 1824–1907 | C | ON | 23 February 1892 | 27 January 1907 | Abbott | Death | Y |
| James Domville | 1842–1921 | L | NB | 20 April 1903 | 30 July 1921 | Laurier | Death | Y |
| Richard Donahoe | 1909–2000 | PC | NS | 13 September 1979 | 27 September 1984 | Clark | Retirement | |
| James J. Donnelly | 1866–1948 | C | ON | 26 May 1913 | 20 October 1948 | Borden | Death | Y |
| C. William Doody | 1931–2005 | C | NL | 3 October 1979 | 27 December 2005 | Clark | Death | |
| James Joseph Hayes Doone | 1888–1953 | L | NB | 25 June 1949 | 6 April 1953 | St. Laurent | Death | Y |
| James Moffat Douglas | 1839–1920 | IL | SK | 8 March 1906 | 19 August 1920 | Laurier | Death | Y |
| Percy Downe | 1954–present | L | PE | 26 June 2003 | — | Chrétien | — | |
| Norman Doyle | 1945–present | C | NL | 6 January 2012 | 11 November 2020 | Harper | Retirement | |
| Richard Doyle | 1923–2003 | PC | ON | 19 March 1985 | 10 March 1998 | Mulroney | Retirement | |
| Mark Robert Drouin | 1903–1963 | PC | QC | 4 October 1957 | 12 October 1963 | Diefenbaker | Death | Y |
| George Alexander Drummond | 1829–1910 | C | QC | 1 December 1888 | 2 February 1910 | Macdonald | Death | Y |
| Pamphile Réal Du Tremblay | 1879–1955 | L | QC | 19 November 1942 | 6 October 1955 | King | Death | Y |
| Antoine Juchereau Duchesnay | 1809–1886 | C | QC | 23 October 1867 | 7 January 1871 | Royal proclamation | Resignation | Y |
| Elzéar-Henri Juchereau Duchesnay | 1809–1871 | C | QC | 23 October 1867 | 12 May 1871 | Royal proclamation | Death | Y |
| William Duff | 1872–1953 | L | NS | 28 February 1936 | 25 April 1953 | King | Death | Y |
| Joseph James Duffus | 1876–1957 | L | ON | 15 February 1940 | 7 February 1957 | King | Death | Y |
| Mike Duffy | 1946–present | C→NA | PE | 2 January 2009 | 27 May 2021 | Harper | Retirement | |
| James Duggan | 1903–1980 | L | NL | 8 July 1966 | 28 February 1978 | Pearson | Resignation | |
| Ron Duhamel | 1938–2002 | L | MB | 15 January 2002 | 30 September 2002 | Chrétien | Death | |
| Léandre Dumouchel | 1811–1882 | C | QC | 23 October 1867 | 23 September 1882 | Royal proclamation | Death | Y |
| Pat Duncan | 1960–present | | YT | 12 December 2018 | — | Trudeau, J. | — | |
| Suzanne Duplessis | 1940–present | C | QC | 22 December 2008 | 30 June 2015 | Harper | Retirement | |
| Renée Dupuis | 1949–present | NA | QC | 10 November 2016 | — | Trudeau, J. | — | |
| Vincent Dupuis | 1889–1967 | L | QC | 18 April 1945 | 11 May 1967 | King | Death | Y |
| Lillian Dyck | 1945–present | IND→IL→L | SK | 24 March 2005 | 24 August 2020 | Martin | Retirement | |

* ↑ C=Conservative, I=Independent, IC=Independent Conservative, IL=Independent Liberal, IND=Independent New Democratic, L=Liberal, NA=Non-affiliated, PC=Progressive Conservative
