Ja

• Harry Jackman b. 1900 first elected in 1940 as National Government member for Rosedale, Ontario.
• George Jackson b. 1808 first elected in 1867 as Conservative member for Grey South, Ontario.
• Joseph Jackson b. 1831 first elected in 1882 as Liberal member for Norfolk South, Ontario.
• Ovid Jackson b. 1939 first elected in 1993 as Liberal member for Bruce—Grey, Ontario.
• Samuel Jacob Jackson b. 1848 first elected in 1904 as Liberal member for Selkirk, Manitoba.
• William Jackson b. 1858 first elected in 1904 as Conservative member for Elgin West, Ontario.
• Jean-Marc Jacob b. 1947 first elected in 1993 as Bloc Québécois member for Charlesbourg, Quebec.
• Pierre Jacob b. 1953 first elected in 2011 as New Democratic Party member for Brome—Missisquoi, Quebec.
• Samuel William Jacobs b. 1871 first elected in 1917 as Laurier Liberal member for George-Étienne Cartier, Quebec.
• Carole Jacques b. 1960 first elected in 1984 as Progressive Conservative member for Montreal—Mercier, Quebec.
• Helena Jaczek b. 1950 first elected in 2019 as Liberal member for Markham—Stouffville, Ontario.
• Frank Eric Jaenicke b. 1892 first elected in 1945 as Cooperative Commonwealth Federation member for Kindersley, Saskatchewan.
• Rahim Jaffer b. 1971 first elected in 1997 as Reform member for Edmonton—Strathcona, Alberta.
• John Mason James b. 1911 first elected in 1949 as Liberal member for Durham, Ontario.
• Kenneth Albert James b. 1934 first elected in 1984 as Progressive Conservative member for Sarnia—Lambton, Ontario.
• Roxanne James b. 1966 first elected in 2011 as Conservative member for Scarborough Centre, Ontario.
• Clarence Jameson b. 1872 first elected in 1908 as Conservative member for Digby, Nova Scotia.
• Richard Willis Jameson b. 1851 first elected in 1897 as Liberal member for Winnipeg, Manitoba.
• Donald Campbell Jamieson b. 1921 first elected in 1966 as Liberal member for Burin—Burgeo, Newfoundland and Labrador.
• Joseph Jamieson b. 1839 first elected in 1882 as Conservative member for Lanark North, Ontario.
• Richard Janelle b. 1947 first elected in 1978 as Social Credit member for Lotbinière, Quebec.
• Tamara Jansen first elected in 2019 as Conservative member for Cloverdale—Langley City, British Columbia.
• Norman Jaques b. 1880 first elected in 1935 as Social Credit member for Wetaskiwin, Alberta.
• Bud Jardine b. 1935 first elected in 1984 as Progressive Conservative member for Northumberland—Miramichi, New Brunswick.
• Robert Jarvis b. 1936 first elected in 1979 as Progressive Conservative member for Willowdale, Ontario.
• William Herbert Jarvis b. 1930 first elected in 1972 as Progressive Conservative member for Perth—Wilmot, Ontario.

Je

• Brian Jean b. 1963 first elected in 2004 as Conservative member for Athabasca, Alberta.
• Joseph Jean b. 1890 first elected in 1932 as Liberal member for Maisonneuve, Quebec.
• Hormidas Jeannotte b. 1843 first elected in 1892 as Conservative member for L'Assomption, Quebec.
• Alex Jeffery b. 1909 first elected in 1949 as Liberal member for London, Ontario.
• Otto Jelinek b. 1940 first elected in 1972 as Progressive Conservative member for High Park—Humber Valley, Ontario.
• Lincoln Henry Jelliff b. 1865 first elected in 1921 as Progressive member for Lethbridge, Alberta.
• Matt Jeneroux b. 1981 first elected in 2015 as Conservative member for Edmonton Riverbend, Alberta.
• John Theophilus Jenkins b. 1829 first elected in 1882 as Liberal-Conservative member for Queen's County, Prince Edward Island.
• Robert Harold Jenkins b. 1873 first elected in 1925 as Liberal member for Queen's, Prince Edward Island.
• Daphne Jennings b. 1939 first elected in 1993 as Reform member for Mission—Coquitlam, British Columbia.
• Marlene Jennings b. 1951 first elected in 1997 as Liberal member for Notre-Dame-de-Grâce—Lachine, Quebec.
• James Kenneth Jepson b. 1942 first elected in 1984 as Progressive Conservative member for London East, Ontario.
• James Jerome b. 1933 first elected in 1968 as Liberal member for Sudbury, Ontario.
• Louis Amable Jetté b. 1836 first elected in 1872 as Liberal member for Montreal East, Quebec.
• Pauline Jewett b. 1922 first elected in 1963 as Liberal member for Northumberland, Ontario.

Ji

• Jamil Jivani b. 1987 first elected in 2024 as Conservative member for Durham, Ontario

Jo

• Christian Jobin b. 1952 first elected in 2003 as Liberal member for Lévis-et-Chutes-de-la-Chaudière, Quebec.
• Amable Jodoin b. 1828 first elected in 1874 as Liberal member for Chambly, Quebec.
• Gord Johns b. 1969 first elected in 2015 as New Democratic Party member for Courtenay—Alberni, British Columbia.
• Al Johnson b. 1939 first elected in 1988 as Progressive Conservative member for Calgary North, Alberta.
• John Mercer Johnson b. 1818 first elected in 1867 as Liberal member for Northumberland, New Brunswick.
• Morrissey Johnson b. 1932 first elected in 1984 as Progressive Conservative member for Bonavista—Trinity—Conception, Newfoundland and Labrador.
• Paul Léo Maurice Johnson b. 1929 first elected in 1958 as Progressive Conservative member for Chambly—Rouville, Quebec.
• Robert Milton Johnson b. 1879 first elected in 1921 as Progressive member for Moose Jaw, Saskatchewan.
• Merv Johnson b. 1923 first elected in 1953 as Cooperative Commonwealth Federation member for Kindersley, Saskatchewan.
• Alexander Johnston b. 1867 first elected in 1900 as Liberal member for Cape Breton, Nova Scotia.
• Charles Edward Johnston b. 1899 first elected in 1935 as Social Credit member for Bow River, Alberta.
• Donald James Johnston b. 1936 first elected in 1978 as Liberal member for Westmount, Quebec.
• Dale Johnston b. 1941 first elected in 1993 as Reform member for Wetaskiwin, Alberta.
• Howard Earl Johnston b. 1928 first elected in 1965 as Social Credit member for Okanagan—Revelstoke, British Columbia.
• John Frederick Johnston b. 1876 first elected in 1917 as Unionist member for Last Mountain, Saskatchewan.
• Allan Johnston b. 1904 first elected in 1940 as Liberal member for London, Ontario.
• Robert Johnston b. 1856 first elected in 1900 as Conservative member for Cardwell, Ontario.
• Thomas George Johnston b. 1849 first elected in 1898 as Liberal member for Lambton West, Ontario.
• Lewis Wilkieson Johnstone b. 1862 first elected in 1925 as Conservative member for Cape Breton North—Victoria, Nova Scotia.
• Georgina Jolibois b. 1968 first elected in 2015 as New Democratic Party member for Desnethé—Missinippi—Churchill River, Saskatchewan.
• Mélanie Joly b. 1979 first elected in 2015 as Liberal member for Ahuntsic-Cartierville (electoral district), Quebec.
• Henri-Gustave Joly de Lotbinière b. 1829 first elected in 1867 as Liberal member for Lotbinière, Quebec.
• Jean-Luc Joncas b. 1936 first elected in 1984 as Progressive Conservative member for Matapédia—Matane, Quebec.
• Louis Zéphirin Joncas b. 1846 first elected in 1887 as Conservative member for Gaspé, Quebec.
• Alfred Gilpin Jones b. 1824 first elected in 1867 as Anti-Confederate member for Halifax, Nova Scotia.
• David Ford Jones b. 1818 first elected in 1874 as Conservative member for Leeds South, Ontario.
• Eloise Jones b. 1917 first elected in 1964 as Progressive Conservative member for Saskatoon, Saskatchewan.
• Francis Jones b. 1815 first elected in 1867 as Conservative member for Leeds North and Grenville North, Ontario.
• George Burpee Jones b. 1866 first elected in 1921 as Conservative member for Royal, New Brunswick.
• Henry Frank Jones b. 1920 first elected in 1957 as Progressive Conservative member for Saskatoon, Saskatchewan.
• Herbert Ladd Jones b. 1858 first elected in 1887 as Conservative member for Digby, Nova Scotia.
• Jim Jones b. 1943 first elected in 1997 as Progressive Conservative member for Markham, Ontario.
• Leonard C. Jones b. 1924 first elected in 1974 as Independent member for Moncton, New Brunswick.
• Owen Lewis Jones b. 1890 first elected in 1948 as Cooperative Commonwealth Federation member for Yale, British Columbia.
• Yvonne Jones b. 1968 first elected in 2013 as Liberal member for Labrador, Newfoundland and Labrador.
• Bernadette Jordan b. 1963 first elected in 2015 as Liberal member for South Shore—St. Margaret's, Nova Scotia.
• Jim Jordan b. 1928 first elected in 1988 as Liberal member for Leeds—Grenville, Ontario.
• Joe Jordan b. 1958 first elected in 1997 as Liberal member for Leeds—Grenville, Ontario.
• Warner Herbert Jorgenson b. 1918 first elected in 1957 as Progressive Conservative member for Provencher, Manitoba.
• Fernand Jourdenais b. 1933 first elected in 1984 as Progressive Conservative member for La Prairie, Quebec.
• Majid Jowhari b. 1960 first elected in 2015 as Liberal member for Richmond Hill, Ontario.
• Serge Joyal b. 1945 first elected in 1974 as Liberal member for Maisonneuve—Rosemont, Quebec.

Ju

• Peter Julian b. 1962 first elected in 2004 as New Democratic Party member for Burnaby—New Westminster, British Columbia.
• Douglas Jung b. 1925 first elected in 1957 as Progressive Conservative member for Vancouver Centre, British Columbia.
• Alex Jupp b. 1927 first elected in 1979 as Progressive Conservative member for Mississauga North, Ontario.
• René Jutras b. 1913 first elected in 1940 as Liberal member for Provencher, Manitoba.