{|class="wikitable sortable"
! Senator !! Lifespan !! Party !! Prov. !! Entered !! Left !! Appointed by !! Left due to !! For<br />life?
|-
| Claude Wagner || 1925–1979 || PC || QC || 21 April 1978 || 11 July 1979 || Trudeau, P. || Death ||
|-
| David James Walker || 1905–1995 || PC || ON || 4 February 1963 || 30 September 1989 || Diefenbaker || Resignation || Y
|-
| William Michael Wall || 1911–1962 || L || MB || 28 July 1955 || 7 July 1962 || St. Laurent || Death || Y
|-
| John D. Wallace || 1949–present|| C→NA || NB || 22 December 2008 ||1 February 2017 || Harper || Resignation ||
|-
| Pamela Wallin || 1953–present|| C→IC→NA || SK || 2 January 2009 || — || Harper || — ||
|-
| David Wark || 1804–1905 || L || NB || 23 October 1867 || 20 August 1905 || Royal proclamation || Death || Y
|-
| Stanley Waters || 1920–1991 || R || Alberta || 11 June 1990 || 25 September 1991 || Mulroney || Death ||
|-
| Robert Watson || 1853–1929 || L || MB || 29 January 1900 || 19 May 1929 || Laurier || Death || Y
|-
| Charlie Watt || 1944–present|| L || QC || 16 January 1984 || 16 March 2018 || Trudeau, P. || Resignation ||
|-
| John Webster || 1856–1928 || C || ON || 12 March 1918 || 1 December 1928 || Borden || Death || Y
|-
| Lorne Campbell Webster || 1871–1941 || C || QC || 10 January 1920 || 27 September 1941 || Borden || Death || Y
|-
| Frank Corbett Welch || 1900–1986 || PC || NS || 25 September 1962 || 14 July 1975 || Diefenbaker || Voluntary retirement || Y
|-
| David Wells || 1962–present|| C || NL || 25 January 2013 || — || Harper || — ||
|-
| Kristopher Wells || 1970/1971–present || || AB || 31 August 2024 || — || Trudeau, J. || — ||
|-
| Howard Wetston || 1947–present|| NA || ON || 10 November 2016 || 3 June 2022 || Trudeau, J. || Retirement ||
|-
| Eugene Whelan || 1924–2013 || L || ON || 9 August 1996 || 11 July 1999 || Chrétien || Retirement ||
|-
| George Stanley White || 1897–1977 || PC || ON || 20 September 1957 || 17 November 1972 || Diefenbaker || Voluntary retirement || Y
|-
| Gerald Verner White || 1879–1948 || C || ON || 6 November 1919 || 24 October 1948 || Borden || Death || Y
|-
| Judy White || 1964–present || || NL || 6 July 2023 || — || Trudeau, J. || — ||
|-
| Richard Smeaton White || 1865–1936 || C || QC || 30 July 1917 || 17 December 1936 || Borden || Death || Y
|-
| Vernon White || 1959–present|| C || ON || 20 February 2012 || — || Harper || — ||
|-
| Jack Wiebe || 1936–2007 || L || SK || 7 April 2000 || 31 January 2004 || Chrétien || Resignation ||
|-
| Benjamin Wier || 1805–1868 || L || NS || 23 October 1867 || 14 April 1868 || Royal proclamation || Death || Y
|-
| Guy Williams || 1907–1992 || L || BC || 9 December 1971 || 7 October 1982 || Trudeau, P. || Retirement ||
|-
| Harry Albert Willis || 1904–1972 || PC || ON || 15 June 1962 || 23 March 1972 || Diefenbaker || Death || Y
|-
| Wellington Willoughby || 1859–1932 || C || SK || 23 October 1917 || 1 August 1932 || Borden || Death || Y
|-
| Robert Duncan Wilmot || 1809–1891 || C || NB || 23 October 1867 || 10 February 1880 || Royal proclamation || Resignation || Y
|-
| Cairine Wilson || 1885–1962 || L || ON || 15 February 1930 || 3 March 1962 || King || Death || Y
|-
| Charles Wilson || 1808–1877 || C || QC || 23 October 1867 || 4 May 1877 || Royal proclamation || Death || Y
|-
| John Henry Wilson || 1834–1912 || L || ON || 8 March 1904 || 3 July 1912 || Laurier || Death || Y
|-
| Joseph-Marcellin Wilson || 1859–1940 || L || QC || 3 May 1911 || 1 January 1939 || Laurier || Resignation || Y
|-
| Lawrence Alexander Wilson || 1863–1934 || L || QC || 3 June 1930 || 3 March 1934 || King || Death || Y
|-
| Lois Wilson || 1927–2024|| I || ON || 11 June 1998 || 8 April 2002 || Chrétien || Retirement ||
|-
| Yuen Pau Woo || 1963–present|| NA || BC || 10 November 2016 || — || Trudeau, J. || — ||
|-
| Andrew Trew Wood || 1826–1903 || L || ON || 21 January 1901 || 21 January 1903 || Laurier || Death || Y
|-
| Dalia Wood || 1924–2013 || L || QC || 26 March 1979 || 31 January 1999 || Trudeau, P. || Resignation ||
|-
| Josiah Wood || 1843–1927 || C || NB || 5 August 1895 || 12 March 1912 || Bowell || Resignation || Y
|-
| Thomas Harold Wood || 1889–1965 || L || SK || 25 January 1949 || 26 November 1965 || St. Laurent || Death || Y
|-
| Allan Lee Woodrow || 1886–1966 || L || ON || 19 May 1953 || 15 March 1966 || St. Laurent || Resignation || Y
|}