{|class="wikitable sortable"
|-
! Senator !! Lifespan !! Party !! Prov. !! Entered !! Left !! Appointed by !! Left due to !! For life?
|-
| John Thomas Hackett || 1884–1956 || PC || QC || 28 July 1955 || 15 September 1956 || St. Laurent || Death || Y
|-
| Stanley Haidasz || 1923–2009 || L || ON || 23 March 1978 || 4 March 1998 || Trudeau, P. || Retirement ||
|-
| James Campbell Haig || 1909–1980 || PC || MB || 15 June 1962 || 29 December 1977 || Diefenbaker || Resignation || Y
|-
| John Thomas Haig || 1877–1962 || C || MB || 14 August 1935 || 17 January 1962 || Bennett || Resignation || Y
|-
| John Hamilton || 1827–1888 || C || QC || 23 October 1867 || 1 May 1887 || Royal proclamation || Resignation || Y
|-
| John Hamilton || 1802–1882 || C || ON || 23 October 1867 || 10 October 1882 || Royal proclamation || Death || Y
|-
| Mac Harb || 1953–present|| L/Ind || ON || 9 September 2003 || 26 August 2013 || Chrétien || Resignation ||
|-
| Peter Harder || 1952–present|| NA || ON || 23 March 2016 || — || Trudeau, J. || — ||
|-
| Richard Hardisty || 1831–1889 || C || NT || 23 February 1888 || 18 October 1889 || Macdonald || Death || Y
|-
| Arthur Charles Hardy || 1872–1962 || L || ON || 10 February 1922 || 13 March 1962 || King || Death || Y
|-
| William Harmer || 1872–1947 || L || AB || 5 February 1918 || 9 September 1947 || Borden || Death || Y
|-
| Nancy Hartling || 1950–present|| NA || NB || 10 November 2016 || — || Trudeau, J. || — ||
|-
| Earl Hastings || 1924–1996 || L || AB || 24 February 1966 || 5 May 1996 || Pearson || Death ||
|-
| Paul Hatfield || 1873–1935 || L || NS || 7 October 1926 || 28 January 1935 || King || Death || Y
|-
| Richard Hatfield || 1931–1991 || PC || NB || 7 September 1990 || 26 April 1991 || Mulroney || Death ||
|-
| Thomas Heath Haviland || 1822–1895 || C || PE || 18 October 1873 || 1 July 1879 || Macdonald || Resignation || Y
|-
| Charles G. Hawkins || 1887–1958 || L || NS || 2 May 1950 || 14 August 1958 || St. Laurent || Death || Y
|-
| Salter Hayden || 1896–1987 || L || ON || 9 February 1940 || 1 November 1983 || King || Resignation || Y
|-
| Andrew Haydon || 1867–1932 || L || ON || 10 March 1924 || 10 November 1932 || King || Death || Y
|-
| Dan Hays || 1939–present|| L || AB || 29 June 1984 || 30 June 2007 || Trudeau, P. || Resignation ||
|-
| Harry Hays || 1909–1982 || L || AB || 24 February 1966 || 4 May 1982 || Pearson || Death ||
|-
| Robert Haythorne || 1815–1891 || L || PE || 18 October 1873 || 7 May 1891 || Macdonald || Death || Y
|-
| Robert Leonard Hazen || 1808–1874 || C || NB || 23 October 1867 || 15 August 1874 || Royal proclamation || Death || Y
|-
| Jacques Hébert || 1923–2007 || L || QC || 20 April 1983 || 21 June 1998 || Trudeau, P. || Retirement ||
|-
| Céline Hervieux-Payette || 1941–present|| L || QC || 21 March 1995 || 22 April 2016 || Chrétien || Retirement ||
|-
| Henry Hicks || 1915–1990 || L || NS || 27 April 1972 || 5 March 1990 || Trudeau, P. || Retirement ||
|-
| John Gilbert Higgins || 1891–1963 || PC || NL || 15 January 1959 || 1 July 1963 || Diefenbaker || Death || Y
|-
| William Hales Hingston || 1829–1907 || C || QC || 2 January 1896 || 19 February 1907 || Bowell || Death || Y
|-
| John Hnatyshyn || 1907–1967 || PC || SK || 15 January 1959 || 2 May 1967 || Diefenbaker || Death || Y
|-
| Horatio Clarence Hocken || 1857–1937 || C || ON || 30 December 1933 || 18 February 1937 || Bennett || Death || Y
|-
| Nancy Hodges || 1888–1969 || L || BC || 5 November 1953 || 12 June 1965 || St. Laurent || Resignation || Y
|-
| Malcolm Mercer Hollett || 1891–1985 || PC || NL || 6 October 1961 || 31 March 1971 || Diefenbaker || Voluntary retirement || Y
|-
| John Holmes || 1789–1876 || C || NS || 23 October 1867 || 3 June 1876 || Royal proclamation || Death || Y
|-
| Adam Hope || 1813–1882 || L || ON || 3 January 1877 || 7 August 1882 || Mackenzie || Death || Y
|-
| Ralph Horner || 1884–1964 || C || SK || 30 December 1933 || 14 December 1964 || Bennett || Death || Y
|-
| Henry Herbert Horsey || 1871–1942 || L || ON || 14 December 1928 || 6 January 1942 || King || Death || Y
|-
| Leo Housakos || 1968–present|| C || QC || 8 January 2009 || — || Harper || — ||
|-
| Charles Benjamin Howard || 1885–1964 || L || QC || 9 February 1940 || 25 March 1964 || King || Death || Y
|-
| John Power Howden || 1879–1959 || L || MB || 18 April 1945 || 4 November 1959 || King || Death || Y
|-
| George William Howlan || 1835–1901 || L || PE || 18 October 1873<br>5 January 1881<br>25 March 1891 || 27 December 1880<br>18 February 1891<br>1 February 1894 || Macdonald<br>Macdonald<br>Macdonald || Resignation<br>Resignation<br>Resignation || Y
|-
| Libbe Hubley || 1942–present|| L || PE || 8 March 2001 || 8 September 2017 || Chrétien || Retirement ||
|-
| James Joseph Hughes || 1856–1941 || L || PE || 5 September 1925 || 5 March 1941 || King || Death || Y
|-
| Raoul Hurtubise || 1882–1955 || L || ON || 9 June 1945 || 31 January 1955 || King || Death || Y
|-
| William James Hushion || 1883–1954 || L || QC || 15 February 1940 || 29 January 1954 || King || Death || Y
|}