{|class="wikitable sortable"
|-
! Senator !! Lifespan !! Party !! Prov. !! Entered !! Left !! Appointed by !! Left due to !! For life?
|-
| Peter Talbot || 1854–1919 || L || AB || 8 March 1906 || 6 December 1919 || Laurier || Death || Y
|-
| Scott Tannas || 1962–present|| C || AB || 25 March 2013 || — || Harper || — ||
|-
| Charles Elliott Tanner || 1857–1946 || C || NS || 20 January 1917 || 13 January 1946 || Borden || Death || Y
|-
| Claudette Tardif || 1947–present|| L || AB || 24 March 2005 || 2 February 2018 || Martin || Resignation ||
|-
| Joseph Tassé || 1848–1895 || C || QC || 9 February 1891 || 17 January 1895 || Macdonald || Death || Y
|-
| Austin Claude Taylor || 1893–1965 || L || NB || 3 January 1957 || 17 January 1965 || St. Laurent || Death || Y
|-
| George Taylor || 1840–1919 || C || ON || 14 November 1911 || 26 March 1919 || Borden || Death || Y
|-
| James Davis Taylor || 1863–1941 || C || BC || 23 October 1917 || 11 May 1941 || Borden || Death || Y
|-
| Nicholas Taylor || 1927–2020 || L || AB || 7 March 1996 || 17 November 2002 || Chrétien || Retirement ||
|-
| William Horace Taylor || 1889–1986 || L || ON || 18 April 1945 || 1 June 1966 || King || Voluntary retirement || Y
|-
| Nancy Teed || 1949–1993 || PC || NB || 30 August 1990 || 29 January 1993 || Mulroney || Death ||
|-
| Thomas Temple || 1818–1899 || C || NB || 23 April 1896 || 25 August 1899 || Bowell || Death || Y
|-
| William Templeman || 1842–1914 || L || BC || 18 November 1897 || 16 February 1906 || Laurier || Resignation || Y
|-
| Jules Tessier || 1852–1934 || L || QC || 12 March 1903 || 6 January 1934 || Laurier || Death || Y
|-
| Ulric-Joseph Tessier || 1817–1892 || L || QC || 23 October 1867 || 11 February 1873 || Royal proclamation || Resignation || Y
|-
| Edward Joseph Thériault || 1901–1968 || L || NS || 20 April 1968 || 20 December 1968 || Trudeau, P. || Death ||
|-
| Norbert Thériault || 1921–2016 || L || NB || 26 March 1979 || 16 February 1996 || Trudeau, P. || Retirement ||
|-
| Alfred Thibaudeau || 1860–1926 || L || QC || 22 August 1896 || 15 August 1926 || Laurier || Death || Y
|-
| Joseph-Rosaire Thibaudeau || 1837–1909 || L || QC || 4 January 1878 || 16 June 1909 || Mackenzie || Death || Y
|-
| Andy Thompson || 1924–2016 || L || ON || 6 April 1967 || 23 March 1998 || Pearson || Resignation ||
|-
| Frederick P. Thompson || 1846–1922 || L || NB || 7 February 1902 || 27 April 1922 || Laurier || Death || Y
|-
| William Henry Thorne || 1844–1923 || C || NB || 26 July 1913 || 8 July 1923 || Borden || Death || Y
|-
| Gunnar Thorvaldson || 1901–1969 || PC || MB || 29 January 1958 || 2 August 1969 || Diefenbaker || Death || Y
|-
| David Tkachuk || 1945–present|| C || SK || 8 June 1993 || 18 February 2020 || Mulroney || Retirement ||
|-
| Edmund William Tobin || 1865–1938 || L || QC || 3 June 1930 || 24 June 1938 || King || Death || Y
|-
| Irving Randall Todd || 1861–1932 || C || NB || 7 March 1918 || 27 December 1932 || Borden || Death || Y
|-
| William Todd || 1803–1873 || L || NB || colspan=2 | — || Royal proclamation || Declined ||
|-
| Arthur Tremblay || 1917–1996 || PC || QC || 27 September 1979 || 18 June 1992 || Clark || Retirement ||
|-
| Léonard Tremblay || 1896–1968 || L || QC || 12 June 1953 || 2 September 1965 || St. Laurent || Resignation || Y
|-
| Marilyn Trenholme Counsell || 1933–present|| L || NB || 9 September 2003 || 22 October 2008 || Chrétien || Retirement ||
|-
| François-Xavier-Anselme Trudel || 1838–1890 || C || QC || 31 October 1873 || 17 January 1890 || Macdonald || Death || Y
|-
| James Tunney || 1927–2010 || L || ON || 8 March 2001 || 16 June 2002 || Chrétien || Retirement ||
|-
| James Gray Turgeon || 1879–1964 || L || BC || 27 January 1947 || 14 February 1964 || King || Death || Y
|-
| Onésiphore Turgeon || 1849–1944 || L || NB || 27 October 1922 || 18 November 1944 || King || Death || Y
|-
| Charles Turner || 1916–1993 || L || ON || 9 July 1984 || 24 March 1991 || Turner || Retirement ||
|-
| James Turner || 1826–1889 || LC || ON || 11 January 1884 || 10 October 1889 || Macdonald || Death || Y
|-
| John Gillanders Turriff || 1855–1930 || L || SK || 23 September 1918 || 10 November 1930 || Borden || Death || Y
|-
| Walter Patrick Twinn || 1934–1997 || PC || AB || 27 September 1990 || 30 October 1997 || Mulroney || Death ||
|}