{|class="wikitable sortable"
|-
! Senator !! Lifespan !! Party !! Prov. !! Entered !! Left !! Appointed by !! Left due to !! For life?
|-
| James Alexander Calder || 1868–1956 || C || SK || 22 September 1921 || 20 July 1956 || Meighen || Death || Y
|-
| Catherine Callbeck || 1939–present|| L || PE || 23 September 1997 || 25 July 2014 || Chrétien || Retirement ||
|-
| Donald Cameron || 1901–1989 || IL || AB || 28 July 1955 || 19 September 1987 || St. Laurent || Resignation || Y
|-
| Alexander Campbell || 1822–1892 || C || ON || 23 October 1867 || 7 February 1887 || Royal proclamation || Resignation || Y
|-
| Archibald Campbell || 1845–1913 || L || ON || 22 November 1907 || 15 January 1913 || Laurier || Death || Y
|-
| Gordon Peter Campbell || 1898–1964 || L || ON || 19 February 1943 || 16 January 1964 || King || Death || Y
|-
| Larry Campbell || 1948–present|| L→NA || BC || 2 August 2005 || 28 February 2023 || Martin || Retirement ||
|-
| Thomas Cantley || 1857–1945 || C || NS || 20 July 1935 || 24 February 1945 || Bennett || Death || Y
|-
| Andrew Cardozo || 1956–present || || ON || 21 November 2022 || — || Trudeau, J. || — ||
|-
| Claude Carignan || 1964–present|| C || QC || 27 August 2009 || — || Harper || — ||
|-
| John Carling || 1828–1911 || LC || ON || 27 April 1891<br/>23 April 1896 || 17 February 1892<br>6 November 1911 || Macdonald<br>Bowell || Resignation<br>Death || Y
|-
| James William Carmichael || 1819–1903 || L || NS || 31 December 1898 || 24 April 1903 || Laurier || Resignation || Y
|-
| Pat Carney || 1935–2023 || C || BC || 30 August 1990 || 31 January 2008 || Mulroney || Resignation ||
|-
| Robert William Weir Carrall || 1837–1879 || C || BC || 13 December 1871 || 19 September 1879 || Macdonald || Death || Y
|-
| Sharon Carstairs || 1942–present|| L || MB || 15 September 1994 || 17 October 2011 || Chrétien || Resignation ||
|-
| Chesley William Carter || 1902–1994 || L || NL || 8 July 1966 || 28 July 1977 || Pearson || Retirement ||
|-
| Richard John Cartwright || 1835–1912 || L || ON || 30 September 1904 || 24 September 1912 || Laurier || Death || Y
|-
| Jedediah Slason Carvell || 1832–1894 || C || PE || 18 December 1879 || 3 July 1889 || Macdonald || Resignation || Y
|-
| Charles Eusèbe Casgrain || 1825–1907 || C || ON || 12 January 1887 || 8 March 1907 || Macdonald || Death || Y
|-
| Joseph Philippe Baby Casgrain || 1856–1939 || L || QC || 29 January 1900 || 6 January 1939 || Laurier || Death || Y
|-
| Thérèse Casgrain || 1896–1981 || I || QC || 7 October 1970 || 10 July 1971 || Trudeau, P. || Retirement ||
|-
| Claude Castonguay || 1929–2020 || PC || QC || 23 September 1990 || 9 December 1992 || Mulroney || Resignation ||
|-
| Joseph-Édouard Cauchon || 1816–1885 || IC || QC || 2 November 1867 || 30 June 1872 || Royal proclamation || Resignation || Y
|-
| William Henry Chaffers || 1827–1894 || L || QC || 23 October 1867 || 19 July 1894 || Royal proclamation || Death || Y
|-
| Thelma Chalifoux || 1929–2017 || L || AB || 26 November 1997 || 8 February 2004 || Chrétien || Retirement ||
|-
| Andrée Champagne || 1939–2020 || C || QC || 2 August 2005 || 17 July 2014 || Martin || Retirement ||
|-
| Edward Barron Chandler || 1800–1880 || LC || NB || colspan=2 | — || Royal proclamation || Declined ||
|-
| Jean-Charles Chapais || 1811–1885 || C || QC || 30 January 1868 || 17 July 1885 || Macdonald || Death || Y
|-
| Thomas Chapais || 1858–1946 || C || QC || 31 December 1919 || 15 July 1946 || Borden || Death || Y
|-
| Maria Chaput || 1942–present|| L || MB || 12 December 2002 || 29 February 2016 || Chrétien || Resignation ||
|-
| Solange Chaput-Rolland || 1919–2001 || PC || QC || 26 September 1988 || 14 May 1994 || Mulroney || Retirement ||
|-
| Guy Charbonneau || 1922–1998 || PC || QC || 27 September 1979 || 21 June 1997 || Clark || Retirement ||
|-
| Marie Charette-Poulin || 1945–present|| L || ON || 21 September 1995 || 17 April 2015 || Chrétien || Resignation ||
|-
| Alexandre-René Chaussegros de Léry || 1818–1880 || C || QC || 13 December 1871 || 11 April 1876 || Macdonald || Resignation || Y
|-
| Pierre-Joseph-Olivier Chauveau || 1820–1890 || C || QC || 20 February 1873 || 8 January 1874 || Macdonald || Resignation || Y
|-
| Noé Chevrier || 1846–1911 || L || MB || 18 January 1909 || 9 October 1911 || Laurier || Death || Y
|-
| Eugène Chinic || 1818–1889 || C || QC || 10 April 1873 || 3 November 1882 || Macdonald || Resignation || Y
|-
| Lionel Choquette || 1906–1983 || PC || ON || 31 January 1958 || 6 March 1981 || Diefenbaker || Voluntary retirement || Y
|-
| Philippe-Auguste Choquette || 1854–1948 || L || QC || 30 September 1904 || 29 December 1919 || Laurier || Resignation || Y
|-
| Ione Christensen || 1933–present|| L || YT || 2 September 1999 || 31 December 2006 || Chrétien || Resignation ||
|-
| David Christie || 1818–1880 || L || ON || 23 October 1867 || 15 December 1880 || Royal proclamation || Death || Y
|-
| Daniel Christmas || 1956–present|| NA || NS || 6 December 2016 || — || Trudeau, J. || — ||
|-
| Charles Edward Church || 1835–1906 || L || NS || 8 February 1902 || 3 January 1906 || Laurier || Death || Y
|-
| Ezra Churchill || 1806–1874 || LC || NS || 3 February 1871 || 8 May 1874 || Macdonald || Death || Y
|-
| Bernadette Clement || 1965–present|| || ON || 22 June 2021 || — || Trudeau, J. || — ||
|-
| Francis Clemow || 1821–1902 || C || ON || 3 February 1885 || 28 May 1902 || Macdonald || Death || Y
|-
| Henry Joseph Cloran || 1855–1928 || L || QC || 30 June 1903 || 8 February 1928 || Laurier || Death || Y
|-
| Ethel Cochrane || 1937–present|| C || NL || 17 November 1986 || 23 September 2012 || Mulroney || Retirement ||
|-
| Matthew Henry Cochrane || 1823–1903 || C || QC || 17 October 1872 || 12 August 1903 || Macdonald || Death || Y
|-
| Thomas Coffey || 1843–1914 || L || ON || 12 March 1903 || 8 June 1914 || Laurier || Death || Y
|-
| Michel Cogger || 1939–present|| PC || QC || 2 May 1986 || 1 September 2000 || Mulroney || Resignation ||
|-
| Erminie Cohen || 1926–2019 || PC || NB || 4 June 1993 || 23 July 2001 || Mulroney || Retirement ||
|-
| Ambroise-Hilaire Comeau || 1860–1911 || L || NS || 15 January 1907 || 25 August 1911 || Laurier || Death || Y
|-
| Gerald Comeau || 1946–2023 || C || NS || 30 August 1990 || 30 November 2013 || Mulroney || Resignation ||
|-
| Joseph William Comeau || 1876–1966 || L || NS || 1 December 1948 || 10 January 1966 || St. Laurent || Resignation || Y
|-
| Harold Connolly || 1901–1980 || L || NS || 28 July 1955 || 14 May 1979 || St. Laurent || Resignation || Y
|-
| John Joseph Connolly || 1906–1982 || L || ON || 12 June 1953 || 31 October 1981 || St. Laurent || Voluntary retirement || Y
|-
| Eric Cook || 1909–1986 || L || NL || 14 February 1964 || 26 July 1984 || Pearson || Voluntary retirement || Y
|-
| Joan Cook || 1934–present|| L || NL || 6 March 1998 || 6 October 2009 || Chrétien || Retirement ||
|-
| Anne Cools || 1943–present|| NA || ON || 13 January 1984 || 12 August 2018 || Trudeau, P. || Retirement ||
|-
| Arthur Bliss Copp || 1870–1949 || L || NB || 25 September 1925 || 5 December 1949 || King || Death || Y
|-
| Eymard Corbin || 1934–present|| L || NB || 9 July 1984 || 2 August 2009|| Turner || Retirement ||
|-
| Henry Corby Jr. || 1851–1917 || C || ON || 17 October 1912 || 23 April 1917 || Borden || Death || Y
|-
| Jane Cordy || 1950–present|| L || NS || 9 June 2000 || — || Chrétien || — ||
|-
| Charles Cormier || 1813–1887 || NL || QC || 23 October 1867 || 7 May 1887 || Royal proclamation || Death || Y
|-
| René Cormier || 1956–present|| NA || NB || 10 November 2016 || — || Trudeau, J. || — ||
|-
| Clement Francis Cornwall || 1836–1910 || C || BC || 13 December 1871 || 1 July 1881 || Macdonald || Resignation || Y
|-
| John Costigan || 1835–1916 || L || NB || 15 January 1907 || 29 September 1916 || Laurier || Death || Y
|-
| Jean Côté || 1867–1924 || L || AB || 14 August 1923 || 23 September 1924 || King || Death || Y
|-
| Jean-Pierre Côté || 1926–2002 || L || QC || 1 September 1972 || 20 April 1978 || Trudeau, P. || Resignation ||
|-
| Louis Côté || 1890–1943 || C || ON || 30 December 1933 || 2 February 1943 || Bennett || Death || Y
|-
| Brent Cotter || 1949–present|| || SK || 30 January 2020 || — || Trudeau, J. || — ||
|-
| Ernest G. Cottreau || 1914–2004 || L || NS || 8 May 1974 || 28 January 1989 || Trudeau, P. || Retirement ||
|-
| Henri Courtemanche || 1916–1986 || PC || QC || 20 January 1960 || 22 December 1961 || Diefenbaker || Resignation || Y
|-
| Jim Cowan || 1942–present|| L || NS || 24 March 2005 || 22 January 2017 || Martin || Retirement ||
|-
| George Albertus Cox || 1840–1914 || L || ON || 13 November 1896 || 16 January 1914 || Laurier || Death || Y
|-
| Mary Coyle || 1954–present|| || NS || 4 December 2017 || — || Trudeau, J. || — ||
|-
| George Crawford || 1793–1870 || C || ON || 23 October 1867 || 4 July 1870 || Royal proclamation || Death || Y
|-
| Thomas Crerar || 1876–1975 || LU || MB || 18 April 1945 || 31 May 1966 || King || Voluntary retirement || Y
|-
| David Croll || 1900–1991 || L || ON || 28 July 1955 || 11 June 1991 || St. Laurent || Death || Y
|-
| Adam Brown Crosby || 1859–1921 || C || NS || 20 January 1917 || 10 March 1921 || Borden || Death || Y
|-
| Thomas Wilson Crothers || 1850–1921 || C || ON || 3 October 1921 || 10 December 1921 || Meighen || Death || Y
|-
| Sanford Johnston Crowe || 1868–1931 || LU || BC || 1 December 1921 || 23 August 1931 || Meighen || Death || Y
|-
| Nathaniel Curry || 1851–1931 || C || NS || 20 November 1912 || 23 October 1931 || Borden || Death || Y
|-
| Rufus Curry || 1859–1934 || L || NS || 12 March 1903 || 30 March 1905 || Laurier || Resignation || Y
|-
| Rodger Cuzner || 1955–present || || NS || 31 October 2023 || — || Trudeau, J. || — ||
|}