List of members of the Canadian House of Commons (L)

L'

 * David Ovide L'Espérance b. 1864 first elected in 1911 as Conservative member for Montmagny, Quebec.
 * Yvon L'Heureux b. 1914 first elected in 1957 as Liberal member for Chambly—Rouville, Quebec.

La–Lak

 * Roch La Salle b. 1929 first elected in 1968 as Progressive Conservative member for Joliette, Quebec.
 * Jean-Baptiste Labelle b. 1836 first elected in 1887 as Conservative member for Richelieu, Quebec.
 * Simon Labrosse b. 1836 first elected in 1882 as Liberal member for Prescott, Ontario.
 * Élie Lacerte b. 1821 first elected in 1868 as Conservative member for Saint Maurice, Quebec.
 * Arthur Lachance b. 1868 first elected in 1905 as Liberal member for Quebec-Centre, Quebec.
 * Claude-André Lachance b. 1954 first elected in 1974 as Liberal member for Lafontaine, Quebec.
 * Georges-C. Lachance b. 1926 first elected in 1962 as Liberal member for Lafontaine, Quebec.
 * Sévérin Lachapelle b. 1851 first elected in 1892 as Conservative member for Hochelaga, Quebec.
 * Liguori Lacombe b. 1895 first elected in 1925 as Liberal member for Laval—Two Mountains, Quebec.
 * Édouard Lacroix b. 1889 first elected in 1925 as Liberal member for Beauce, Quebec.
 * Wilfrid Lacroix b. 1891 first elected in 1935 as Liberal member for Québec—Montmorency, Quebec.
 * Leon Johnson Ladner b. 1884 first elected in 1921 as Conservative member for Vancouver South, British Columbia.
 * Fernand Ladouceur b. 1925 first elected in 1984 as Progressive Conservative member for Labelle, Quebec.
 * Leo Kemner Laflamme b. 1893 first elected in 1925 as Liberal member for Montmagny, Quebec.
 * Napoléon Kemner Laflamme b. 1865 first elected in 1921 as Liberal member for Drummond—Arthabaska, Quebec.
 * Ovide Laflamme b. 1925 first elected in 1955 as Liberal member for Bellechasse, Quebec.
 * Rodolphe Laflamme b. 1827 first elected in 1872 as Liberal member for Jacques Cartier, Quebec.
 * François-Joseph Laflèche b. 1879 first elected in 1930 as Conservative member for Richmond—Wolfe, Quebec.
 * Léo Richer Laflèche b. 1888 first elected in 1942 as Liberal member for Outremont, Quebec.
 * Joseph Lafontaine b. 1885 first elected in 1940 as Liberal member for Mégantic—Frontenac, Quebec.
 * Jean-Yves Laforest b. 1949 first elected in 2006 as a Bloc Québécois member for Saint-Maurice—Champlain, Quebec.
 * David Arthur Lafortune b. 1848 first elected in 1909 as Independent Liberal member for Montcalm, Quebec.
 * Mario Laframboise b. 1957 first elected in 2000 as Bloc Québécois member for Argenteuil—Papineau—Mirabel, Quebec.
 * Robert B. Lafrenière b. 1924 first elected in 1958 as Progressive Conservative member for Québec—Montmorency, Quebec.
 * Paul Lahaye b. 1902 first elected in 1958 as Progressive Conservative member for Champlain, Quebec.
 * Arthur Laing b. 1904 first elected in 1949 as Liberal member for Vancouver South, British Columbia.
 * David Laird b. 1833 first elected in 1873 as Liberal member for Queen's County, Prince Edward Island.
 * Charles Gérin Lajoie b. 1824 first elected in 1874 as Liberal member for Saint Maurice, Quebec.
 * Claude G. Lajoie b. 1928 first elected in 1971 as Liberal member for Trois-Rivières, Quebec.
 * Mike Lake b. 1969 first elected in 2006 as Conservative member for Edmonton—Mill Woods—Beaumont, Alberta.
 * Richard Stuart Lake b. 1860 first elected in 1904 as Conservative member for Qu'Appelle, Northwest Territories.

Lal–Lam

 * Rick Laliberte b. 1958 first elected in 1997 as New Democratic Party member for Churchill River, Saskatchewan.
 * Francine Lalonde b. 1940 first elected in 1993 as Bloc Québécois member for Mercier, Quebec.
 * Marc Lalonde b. 1929 first elected in 1972 as Liberal member for Outremont, Quebec.
 * Marie-France Lalonde b. 1971 first elected in 2019 as Liberal member for Orléans, Ontario.
 * Maurice Lalonde b. 1901 first elected in 1935 as Liberal member for Labelle, Quebec.
 * Francis Ramsey Lalor b. 1856 first elected in 1904 as Conservative member for Haldimand, Ontario.
 * Paul-Émile Lamarche b. 1881 first elected in 1911 as Conservative member for Nicolet, Quebec.
 * Judy LaMarsh b. 1924 first elected in 1960 as Liberal member for Niagara Falls, Ontario.
 * Charles Wesley Lamb b. 1891 first elected in 1963 as Progressive Conservative member for Victoria, Ontario.
 * Joseph Adrien Henri Lambert b. 1913 first elected in 1968 as Ralliement Créditiste member for Bellechasse, Quebec.
 * Marcel Joseph Aimé Lambert b. 1919 first elected in 1957 as Progressive Conservative member for Edmonton West, Alberta.
 * Emmanuella Lambropoulos b. 1990 first elected in 2017 as Liberal member for Saint-Laurent, Quebec.
 * David Lametti b. 1962 first elected in 2015 as Liberal member for LaSalle—Émard—Verdun, Quebec.
 * Kevin Lamoureux b. 1962 first elected in 2020 as Liberal member for Winnipeg North, Manitoba.
 * John Henderson Lamont b. 1865 first elected in 1904 as Liberal member for Provisional District of Saskatchewan, Northwest Territories.
 * J. Gilles Lamontagne b. 1919 first elected in 1977 as Liberal member for Langelier, Quebec.
 * Maurice Lamontagne b. 1917 first elected in 1963 as Liberal member for Outremont—St-Jean, Quebec.
 * Lucien Lamoureux b. 1920 first elected in 1962 as Liberal member for Stormont, Ontario.
 * Gérard Lamy b. 1919 first elected in 1962 as Social Credit member for Saint-Maurice—Laflèche, Quebec.

Lanc–Lane

 * Edward Arthur Lancaster b. 1860 first elected in 1900 as Conservative member for Lincoln and Niagara, Ontario.
 * Adélard Lanctôt b. 1874 first elected in 1907 as Liberal member for Richelieu, Quebec.
 * Robert Lanctôt b. 1963 first elected in 2000 as Bloc Québécois member for Châteauguay, Quebec.
 * Roch Lanctôt b. 1866 first elected in 1904 as Liberal member for Laprairie—Napierville, Quebec.
 * George Landerkin b. 1839 first elected in 1872 as Liberal member for Grey South, Ontario.
 * Mike Landers b. 1943 first elected in 1974 as Liberal member for Saint John—Lancaster, New Brunswick.
 * John Landeryou b. 1905 first elected in 1935 as Social Credit member for Calgary East, Alberta.
 * Auguste Charles Philippe Robert Landry b. 1846 first elected in 1878 as Conservative member for Montmagny, Quebec.
 * Jean Landry b. 1948 first elected in 1993 as Bloc Québécois member for Lotbinière, Quebec.
 * Joseph-Armand Landry b. 1918 first elected in 1957 as Liberal member for Dorchester, Quebec.
 * Monique Landry b. 1937 first elected in 1984 as Progressive Conservative member for Blainville—Deux-Montagnes, Quebec.
 * Pierre Amand Landry b. 1846 first elected in 1883 as Conservative member for Kent, New Brunswick.
 * Robert Lane b. 1933 first elected in 1979 as Progressive Conservative member for Winnipeg—St. James, Manitoba.
 * Samuel Johnathan Lane b. 1830 first elected in 1878 as Liberal-Conservative member for Grey North, Ontario.

Lang–Lant

 * John Lang b. 1839 first elected in 1887 as Independent Liberal member for Peterborough East, Ontario.
 * Malcolm Lang b. 1875 first elected in 1926 as Labour Party member for Timiskaming South, Ontario.
 * Norman Lang b. 1879 first elected in 1917 as Unionist member for Humboldt, Saskatchewan.
 * Otto Lang b. 1932 first elected in 1968 as Liberal member for Saskatoon—Humboldt, Saskatchewan.
 * Peter Joseph Lang b. 1950 first elected in 1980 as Liberal member for Kitchener, Ontario.
 * Joy Langan b. 1943  first elected in 1988 as New Democratic Party member for Mission—Coquitlam, British Columbia.
 * Steven W. Langdon b. 1946 first elected in 1984 as New Democratic Party member for Essex—Windsor, Ontario.
 * Charles Langelier b. 1850 first elected in 1887 as Liberal member for Montmorency, Quebec.
 * François Charles Stanislas Langelier b. 1838 first elected in 1884 as Liberal member for Mégantic, Quebec.
 * Hector-Louis Langevin b. 1826 first elected in 1867 as Conservative member for Dorchester, Quebec.
 * Aimé Langlois b. 1880 first elected in 1925 as Liberal member for Chambly—Verchères, Quebec.
 * Charles A. Langlois b. 1938 first elected in 1988 as Progressive Conservative member for Manicouagan, Quebec.
 * François Langlois b. 1948 first elected in 1993 as Bloc Québécois member for Bellechasse, Quebec.
 * J. G. Léopold Langlois b. 1913 first elected in 1945 as Liberal member for Gaspé, Quebec.
 * Jean Langlois b. 1824 first elected in 1867 as Conservative member for Montmorency, Quebec.
 * Joseph Langlois b. 1909 first elected in 1949 as Liberal member for Berthier—Maskinongé, Quebec.
 * Paul Langlois b. 1926 first elected in 1965 as Liberal member for Chicoutimi, Quebec.
 * Raymond Langlois b. 1936 first elected in 1962 as Social Credit member for Mégantic, Quebec.
 * William Fitzgerald Langworthy b. 1867 first elected in 1925 as Conservative member for Port Arthur—Thunder Bay, Ontario.
 * Gérald Laniel b. 1924  first elected in 1962 as Liberal member for Beauharnois—Salaberry, Quebec.
 * Claude Lanthier b. 1933  first elected in 1984 as Progressive Conservative member for Lasalle, Quebec.
 * Jacques Philippe Lantier b. 1814 first elected in 1872 as Conservative member for Soulanges, Quebec.
 * Melissa Lantsman b. 1984 first elected in 2021 as Conservative member for Thornhill, Ontario.

Lap–Lat

 * Georges-Émile Lapalme b. 1907  first elected in 1945 as Liberal member for Joliette—l'Assomption—Montcalm, Quebec.
 * Edmond Lapierre b. 1866 first elected in 1921 as Liberal member for Nipissing, Ontario.
 * Jean Lapierre b. 1956 first elected in 1979 as Liberal member for Shefford, Quebec.
 * Réal Lapierre b. 1944 first elected in 2004 as Bloc Québécois member for Lévis—Bellechasse, Quebec.
 * Arthur-Joseph Lapointe b. 1895 first elected in 1935 as Liberal member for Matapédia—Matane, Quebec.
 * Charles Lapointe b. 1944  first elected in 1974 as Liberal member for Charlevoix, Quebec.
 * Ernest Lapointe b. 1876  first elected in 1904 as Liberal member for Kamouraska, Quebec.
 * François Lapointe b. 1971 first elected in 2011 as New Democratic Party member for Montmagny—L'Islet—Kamouraska—Rivière-du-Loup, Quebec.
 * Hugues Lapointe b. 1911  first elected in 1940 as Liberal member for Lotbinière, Quebec.
 * Linda Lapointe b. 1960 first elected in 2015 as Liberal member for Rivière-des-Mille-Îles, Quebec.
 * Louis Audet Lapointe b. 1860 first elected in 1911 as Liberal member for St. James, Quebec.
 * Normand Lapointe b. 1939  first elected in 1980 as Liberal member for Beauce, Quebec.
 * Viviane Lapointe first elected in 2021 as Liberal member for Sudbury, Ontario.
 * Rodney Edward Laporte b. 1953  first elected in 1988 as New Democratic Party member for Moose Jaw—Lake Centre, Saskatchewan.
 * Gérard Laprise b. 1925 first elected in 1962 as Social Credit member for Chapleau, Quebec.
 * James Lapum b. 1819 first elected in 1867 as Conservative member for Addington, Ontario.
 * J. James Larabee b. 1885 first elected in 1935 as Liberal member for Queen's, Prince Edward Island.
 * Alphonse Alfred Clément Larivière b. 1842 first elected in 1889 as Conservative member for Provencher, Manitoba.
 * Jean-François Larose b. 1972 first elected in 2011 as New Democratic Party member for Repentigny, Quebec.
 * Andréanne Larouche first elected in 2019 as Bloc Québécois member for Shefford, Quebec.
 * Gaby Larrivée b. 1933 first elected in 1988 as Progressive Conservative member for Joliette, Quebec.
 * Frederick Hugo Larson b. 1913 first elected in 1949 as Liberal member for Kindersley, Saskatchewan.
 * Achille Larue b. 1849 first elected in 1878 as Liberal member for Bellechasse, Quebec.
 * Joseph-Ernest-Henri Larue b. 1892 first elected in 1930 as Conservative member for Matane, Quebec.
 * Perrault LaRue b. 1925 first elected in 1958 as Progressive Conservative member for Saguenay, Quebec.
 * Walt Lastewka b. 1940 first elected in 1993 as Liberal member for St. Catharines, Ontario.
 * Alexandrine Latendresse b. 1984 first elected in 2011 as New Democratic Party member for Louis-Saint-Laurent, Quebec.
 * Joseph-Octave Latour b. 1906 first elected in 1958 as Progressive Conservative member for Argenteuil—Deux-Montagnes, Quebec.
 * Patricia Lattanzio first elected in 2019 as Liberal member for Saint-Léonard—Saint-Michel, Quebec.

Lau–Lay

 * Henry P. Latulippe b. 1913 first elected in 1962 as Social Credit member for Compton—Frontenac, Quebec.
 * Frederick Andrew Laurence b. 1843 first elected in 1904 as Liberal member for Colchester, Nova Scotia.
 * Aldéric Laurendeau b. 1890 first elected in 1945 as Liberal member for Berthier—Maskinongé, Quebec.
 * John Wimburne Laurie b. 1835 first elected in 1887 as Conservative member for Shelburne, Nova Scotia.
 * Romuald-Charlemagne Laurier b. 1852 first elected in 1900 as Liberal member for L'Assomption, Quebec.
 * Ruben Charles Laurier b. 1868 first elected in 1907 as Liberal member for L'Assomption, Quebec.
 * Wilfrid Laurier b. 1841 first elected in 1874 as Liberal member for Drummond—Arthabaska, Quebec.
 * Joseph-Georges-Philippe Laurin b. 1892  first elected in 1930 as Conservative member for Jacques Cartier, Quebec.
 * René Laurin b. 1940 first elected in 1993 as Bloc Québécois member for Joliette, Quebec.
 * Guy Lauzon b. 1944 first elected in 2004 as Conservative member for Stormont—Dundas—South Glengarry, Ontario.
 * Stéphane Lauzon b. 1966 first elected in 2015 as Liberal member for Argenteuil—La Petite-Nation, Quebec.
 * Carole Lavallée b. 1954 first elected in 2004 as Bloc Québécois member for Saint-Bruno—Saint-Hubert, Quebec.
 * Joseph Octave Lavallée b. 1878 first elected in 1911 as Conservative member for Bellechasse, Quebec.
 * John Reeve Lavell b. 1857 first elected in 1900 as Conservative member for Leeds North and Grenville North, Ontario.
 * Hélène Laverdière b. 1955 first elected in 2011 as New Democratic Party member for Laurier—Sainte-Marie, Quebec.
 * Herman E. Laverdière b. 1927  first elected in 1963 as Liberal member for Bellechasse, Quebec.
 * Armand Renaud Lavergne b. 1880  first elected in 1904 as Liberal member for Montmagny, Quebec.
 * Joseph Lavergne b. 1847 first elected in 1887 as Liberal member for Drummond—Arthabaska, Quebec.
 * Louis Lavergne b. 1845 first elected in 1897 as Liberal member for Drummond—Arthabaska, Quebec.
 * Albert Peter Lavigne b. 1908 first elected in 1954 as Liberal member for Stormont, Ontario.
 * Laurent Lavigne b. 1935 first elected in 1993 as Bloc Québécois member for Beauharnois—Salaberry, Quebec.
 * Raymond Lavigne b. 1945 first elected in 1993 as Liberal member for Verdun—Saint-Paul, Quebec.
 * Henri-Edgar Lavigueur b. 1867 first elected in 1917 as Laurier Liberal member for Quebec County, Quebec.
 * Jacques Lavoie b. 1936 first elected in 1975 as Progressive Conservative member for Hochelaga, Quebec.
 * Bowman Brown Law b. 1855 first elected in 1902 as Liberal member for Yarmouth, Nova Scotia.
 * Allan Frederick Lawrence b. 1925 first elected in 1972 as Progressive Conservative member for Northumberland—Durham, Ontario.
 * Philip Lawrence first elected in 2019 as Conservative member for Northumberland—Peterborough South, Ontario.
 * Earl Lawson b. 1891 first elected in 1928 as Conservative member for York West, Ontario.
 * Peter Lawson b. 1821 first elected in 1867 as Liberal member for Norfolk South, Ontario.
 * Jack Layton b. 1950 first elected in 2004 as New Democratic Party member for Toronto—Danforth, Ontario.
 * Robert E.J. Layton b. 1925 first elected in 1984 as Progressive Conservative member for Lachine, Quebec.

Le–Lee

 * Isaac Le Vesconte b. 1822 first elected in 1869 as Conservative member for Richmond, Nova Scotia.
 * Harry Leader b. 1880 first elected in 1921 as Progressive member for Portage la Prairie, Manitoba.
 * Denis Lebel b. 1954 first elected in 2007 as Conservative member for Roberval—Lac-Saint-Jean, Quebec.
 * Ghislain Lebel b. 1946 first elected in 1993 as Bloc Québécois member for Chambly, Quebec.
 * Dominic LeBlanc b. 1967 first elected in 2000 as Liberal member for Beauséjour—Petitcodiac, New Brunswick.
 * Fernand-E. Leblanc b. 1917 first elected in 1964 as Liberal member for Laurier, Quebec.
 * Francis G. Leblanc b. 1953 first elected in 1988 as Liberal member for Cape Breton Highlands—Canso, Nova Scotia.
 * Hélène LeBlanc b. 1958 first elected in 2011 as New Democratic Party member for LaSalle—Émard, Quebec.
 * Louis Guy Leblanc b. 1921 first elected in 1965 as Liberal member for Rimouski, Quebec.
 * Nic Leblanc b. 1941 first elected in 1984 as Progressive Conservative member for Longueuil, Quebec.
 * Olivier J. Leblanc b. 1830 first elected in 1900 as Liberal member for Kent, New Brunswick.
 * Roméo LeBlanc b. 1927 first elected in 1972 as Liberal member for Westmorland—Kent, New Brunswick.
 * Bert Leboe b. 1909 first elected in 1953 as Social Credit member for Cariboo, British Columbia.
 * Diane Lebouthillier b. 1959 first elected in 2015 as Liberal member for Gaspésie—Les Îles-de-la-Madeleine, Quebec.
 * Pierre-Julien Leclair b. 1860 first elected in 1893 as Conservative member for Terrebonne, Quebec.
 * Joseph-Hermas Leclerc b. 1877 first elected in 1935 as Liberal member for Shefford, Quebec.
 * Edgar Leduc b. 1888  first elected in 1949 as Independent member for Jacques Cartier, Quebec.
 * Jean-Louis Leduc b. 1918 first elected in 1979 as Liberal member for Richelieu, Quebec.
 * Joseph Alfred Leduc b. 1868 first elected in 1917 as Laurier Liberal member for Westmount—St. Henri, Quebec.
 * Joseph Gérard Yves Leduc b. 1908  first elected in 1954 as Liberal member for Verdun, Quebec.
 * Joseph Hector Leduc b. 1864 first elected in 1891 as Liberal member for Nicolet, Quebec.
 * Rodolphe Leduc b. 1902 first elected in 1936 as Liberal member for Wright, Quebec.
 * Arthur John Lee b. 1947 first elected in 1974 as Liberal member for Vancouver East, British Columbia.
 * Derek Lee b. 1948 first elected in 1988 as Liberal member for Scarborough—Rouge River, Ontario.
 * Ryan Leef b. 1973 first elected in 2011 as Conservative member for Yukon.

Lef–Ler

 * Paul Lefebvre b. 1974 first elected in 2015 as Liberal member for Sudbury, Ontario.
 * Réjean Lefebvre b. 1943 first elected in 1993 as Bloc Québécois member for Champlain, Quebec.
 * Thomas Lefebvre b. 1927 first elected in 1965 as Liberal member for Pontiac—Témiscamingue, Quebec.
 * J.-Eugène Lefrançois b. 1896 first elected in 1949 as Liberal member for Laurier, Quebec.
 * Alfred Alexander Lefurgey b. 1871 first elected in 1900 as Conservative member for East Prince, Prince Edward Island.
 * Gérard Légaré b. 1908 first elected in 1953 as Liberal member for Rimouski, Quebec.
 * Carl Legault b. 1923 first elected in 1964 as Liberal member for Nipissing, Ontario.
 * Auguste Théophile Léger b. 1852 first elected in 1917 as Laurier Liberal member for Kent, New Brunswick.
 * Aurel D. Léger b. 1894 first elected in 1940 as Liberal member for Kent, New Brunswick.
 * Édouard H. Léger b. 1866 first elected in 1890 as Conservative member for Kent, New Brunswick.
 * Felton Fenwick Legere b. 1913 first elected in 1958 as Progressive Conservative member for Shelburne—Yarmouth—Clare, Nova Scotia.
 * Stuart Malcolm Leggatt b. 1931 first elected in 1972 as New Democratic Party member for New Westminster, British Columbia.
 * Joseph Hormidas Legris b. 1850 first elected in 1891 as Liberal member for Maskinongé, Quebec.
 * Richard Lehoux b. 1956 first elected in 2019 as Conservative member for Beauce.
 * Kellie Leitch b. 1970 first elected in 2011 as Conservative member for Simcoe—Grey, Ontario.
 * Marc Lemay b. 1951 first elected in 2004 as Bloc Québécois member for Abitibi—Témiscamingue, Quebec.
 * Denis Lemieux b. 1964 first elected in 2015 as Liberal member for Chicoutimi—Le Fjord, Quebec.
 * Pierre Lemieux b. 1963 first elected in 2006 as Conservative member for Glengarry—Prescott—Russell, Ontario.
 * Rodolphe Lemieux b. 1866 first elected in 1896 as Liberal member for Gaspé, Quebec.
 * Sébastien Lemire first elected in 2019 as Bloc Québécois member for Abitibi—Témiscamingue, Quebec.
 * Frank Exton Lennard b. 1892 first elected in 1935 as Conservative member for Wentworth, Ontario.
 * Haughton Lennox b. 1850 first elected in 1900 as Conservative member for Simcoe South, Ontario.
 * Thomas Herbert Lennox b. 1869 first elected in 1925 as Conservative member for York North, Ontario.
 * Joseph-Édouard-Émile Léonard b. 1872 first elected in 1902 as Conservative member for Laval, Quebec.
 * Alphonse Télesphore Lépine b. 1855 first elected in 1888 as Independent Conservative member for Montreal East, Quebec.
 * Gaston Leroux b. 1948 first elected in 1993 as Bloc Québécois member for Richmond—Wolfe, Quebec.
 * Jean H. Leroux b. 1949 first elected in 1993 as Bloc Québécois member for Shefford, Quebec.

Les–Lew

 * Charles Alexander Lesage b. 1843 first elected in 1882 as Conservative member for Dorchester, Quebec.
 * Jean Lesage b. 1912 first elected in 1945 as Liberal member for Montmagny—l'Islet, Quebec.
 * Joseph Edmond Lesage b. 1871 first elected in 1917 as Laurier Liberal member for Hochelaga, Quebec.
 * William Lesick b. 1923 first elected in 1984 as Progressive Conservative member for Edmonton East, Alberta.
 * Andrew Leslie b. 1957 first elected in 2015 as Liberal member for Orléans, Ontario.
 * Branden Leslie first elected in 2023 as Conservative member for Portage—Lisgar, Manitoba.
 * Megan Leslie b. 1973 first elected in 2008 as New Democratic member for Halifax, Nova Scotia.
 * H.-Pit Lessard b. 1913 first elected in 1958 as Liberal member for Saint-Henri, Quebec.
 * Marcel Lessard b. 1926 first elected in 1962 as Social Credit member for Lac-Saint-Jean, Quebec.
 * Yves Lessard b. 1943 first elected in 2004 as Bloc Québécois member for Chambly—Borduas, Quebec.
 * Richard Vryling Lesueur b. 1879 first elected in 1921 as Conservative member for Lambton West, Ontario.
 * Joseph Étienne Letellier de Saint-Just b. 1880 first elected in 1925 as Liberal member for Compton, Quebec.
 * René Joseph Eugène Létourneau b. 1912 first elected in 1958 as Progressive Conservative member for Stanstead, Quebec.
 * Chungsen Leung b. 1950 first elected in 2011 as Conservative member for Willowdale, Ontario.
 * Sophia Leung b. 1933 first elected in 1997 as Liberal member for Vancouver Kingsway, British Columbia.
 * Yvon Lévesque b. 1940 first elected in 2004 as Bloc Québécois member for Nunavik—Eeyou, Quebec.
 * Michael Levitt b. 1970 first elected in 2015 as Liberal member for York Centre, Ontario.
 * Arthur John Lewis b. 1879 first elected in 1921 as Progressive member for Swift Current, Saskatchewan.
 * Chris Lewis b. 1976 first elected in 2019 as Conservative member for Essex.
 * David Lewis b. 1909 first elected in 1962 as New Democratic Party member for York South, Ontario.
 * Doug Lewis b. 1938 first elected in 1979 as Progressive Conservative member for Simcoe North, Ontario.
 * Edward Norman Lewis b. 1858 first elected in 1904 as Conservative member for Huron West, Ontario.
 * John Bower Lewis b. 1815 first elected in 1872 as Conservative member for City of Ottawa, Ontario.
 * Leslyn Lewis b. 1970 first elected in 2021 as Conservative member for Haldimand—Norfolk, Ontario.
 * William James Lewis b. 1830 first elected in 1896 as Independent member for Albert, New Brunswick.
 * Louis Harrington Lewry b. 1919 first elected in 1957 as Cooperative Commonwealth Federation member for Moose Jaw—Lake Centre, Saskatchewan.
 * Laverne Lewycky b. 1946 first elected in 1980 as New Democratic Party member for Dauphin, Manitoba.

Li

 * Ron Liepert b. 1949 first elected in 2015 as Conservative member for Calgary Signal Hill, Alberta.
 * Joël Lightbound b. 1988 first elected in 2015 as Liberal member for Louis-Hébert, Quebec.
 * Wendy Lill b. 1950  first elected in 1997 as New Democratic Party member for Dartmouth, Nova Scotia.
 * Rick Limoges b. 1956  first elected in 1999 as Liberal member for Windsor—St. Clair, Ontario.
 * Clifford Lincoln b. 1928  first elected in 1993 as Liberal member for Lachine—Lac-Saint-Louis, Quebec.
 * James Lind b. 1913  first elected in 1965 as Liberal member for Middlesex East, Ontario.
 * Urbain Lippé b. 1831 first elected in 1891 as Conservative member for Joliette, Quebec.
 * James Frederick Lister b. 1843 first elected in 1882 as Liberal member for Lambton West, Ontario.
 * Walter Little b. 1877  first elected in 1935 as Liberal member for Timiskaming, Ontario.
 * William Carruthers Little b. 1820 first elected in 1867 as Liberal-Conservative member for Simcoe South, Ontario.
 * Willie Littlechild b. 1944  first elected in 1988 as Progressive Conservative member for Wetaskiwin, Alberta.
 * Laurin Liu b. 1990 first elected in 2011 as New Democratic Party member for Rivière-des-Mille-Îles, Quebec.
 * James Livingston b. 1838 first elected in 1882 as Liberal member for Waterloo South, Ontario.
 * Wladyslaw Lizon b. 1954 first elected in 2011 as Conservative member for Mississauga East—Cooksville, Ontario.
 * Louis Philippe Lizotte b. 1891 first elected in 1940 as Liberal member for Kamouraska, Quebec.

Ll

 * Dane Lloyd b. 1990 first elected in 2017 as Conservative member for Sturgeon River—Parkland, Alberta.
 * John Edward Lloyd b. 1908 first elected in 1963 as Liberal member for Halifax, Nova Scotia.

Lo

 * Ben Lobb b. 1976 first elected in 2008 as Conservative member for Huron—Bruce, Ontario.
 * Alaina Lockhart b. 1974 first elected in 2015 as Liberal member for Fundy Royal, New Brunswick.
 * Norman James Macdonald Lockhart b. 1884 first elected in 1935 as Conservative member for Lincoln, Ontario.
 * Edward Russell Lockyer b. 1899 first elected in 1958 as Progressive Conservative member for Trinity, Ontario.
 * Hance James Logan b. 1869 first elected in 1896 as Liberal member for Cumberland, Nova Scotia.
 * William Stewart Loggie b. 1850 first elected in 1904 as Liberal member for Northumberland, New Brunswick.
 * Bernard Loiselle b. 1948  first elected in 1974 as Liberal member for Chambly, Quebec.
 * Gérard Loiselle b. 1921  first elected in 1957 as Independent Liberal member for St. Ann, Quebec.
 * Gilles Loiselle b. 1929  first elected in 1988 as Progressive Conservative member for Langelier, Quebec.
 * Edison John Clayton Loney b. 1929  first elected in 1963 as Progressive Conservative member for Bruce, Ontario.
 * Charles Edwin Long b. 1879  first elected in 1917 as Liberal member for North Battleford, Saskatchewan.
 * Wayne Long b. 1963 first elected in 2015 as Liberal member for Saint John—Rothesay, New Brunswick.
 * Judi Longfield b. 1947  first elected in 1997 as Liberal member for Whitby—Ajax, Ontario.
 * Lloyd Longfield b. 1956 first elected in 2015 as Liberal member for Guelph, Ontario.
 * Avard Longley b. 1823 first elected in 1878 as Conservative member for Annapolis, Nova Scotia.
 * Bruce Lonsdale b. 1949  first elected in 1980 as Liberal member for Timiskaming, Ontario.
 * Ricardo Lopez b. 1937  first elected in 1984 as Progressive Conservative member for Châteauguay, Quebec.
 * Joseph Arthur Lortie b. 1869 first elected in 1908 as Conservative member for Soulanges, Quebec.
 * Yvan Loubier b. 1959  first elected in 1993 as Bloc Québécois member for Saint-Hyacinthe—Bagot, Quebec.
 * William John Loucks b. 1873 first elected in 1930 as Liberal member for Rosetown, Saskatchewan.
 * Tim Louis b. 1969 first elected in 2019 as Liberal member for Kitchener—Conestoga, Ontario.
 * William Lount b. 1840 first elected in 1896 as Liberal member for Toronto Centre, Ontario.
 * Charles Henry Lovell b. 1854 first elected in 1908 as Liberal member for Stanstead, Quebec.
 * Henry Lovell b. 1828 first elected in 1900 as Liberal member for Stanstead, Quebec.
 * Lewis Johnstone Lovett b. 1867 first elected in 1921 as Liberal member for Digby and Annapolis, Nova Scotia.
 * William James Lovie b. 1868 first elected in 1921 as Progressive member for Macdonald, Manitoba.
 * John Lovitt b. 1832 first elected in 1887 as Liberal member for Yarmouth, Nova Scotia.
 * Solon Earl Low b. 1900  first elected in 1945 as Social Credit member for Peace River, Alberta.
 * Thomas Andrew Low b. 1871 first elected in 1908 as Liberal member for Renfrew South, Ontario.
 * James A. Lowell b. 1849 first elected in 1892 as Liberal member for Welland, Ontario.
 * Eric Lowther b. 1954 first elected in 1997 as Reform member for Calgary Centre, Alberta.
 * George di Madeiros Loy b. 1840 first elected in 1900 as Liberal member for Beauharnois, Quebec.

Lu

 * William Thomas Lucas b. 1875 first elected in 1921 as United Farmers of Alberta member for Victoria, Alberta.
 * Michael Luchkovich b. 1892 first elected in 1926 as United Farmers of Alberta member for Vegreville, Alberta.
 * Karen Ludwig b. 1964 first elected in 2015 as Liberal member for New Brunswick Southwest, New Brunswick.
 * Tom Lukiwski b. 1951 first elected in 2004 as Conservative member for Regina—Lumsden—Lake Centre, Saskatchewan.
 * Edward C. Lumley b. 1939 first elected in 1974 as Liberal member for Stormont—Dundas, Ontario.
 * John Lundrigan b. 1939 first elected in 1968 as Progressive Conservative member for Gander—Twillingate, Newfoundland and Labrador.
 * Gary Lunn b. 1957 first elected in 1997 as Reform member for Saanich—Gulf Islands, British Columbia.
 * James D. Lunney b. 1951 first elected in 2000 as Canadian Alliance member for Nanaimo—Alberni, British Columbia.
 * Azel Randolph Lusby b. 1907 first elected in 1953 as Liberal member for Cumberland, Nova Scotia.
 * Marcel Lussier b. 1944 first elected in 2006 as Bloc Québécois member for Brossard—La Prairie, Quebec.

Ly

 * James S. Lynch b. 1841 first elected in 1871 as Liberal member for Marquette, Manitoba.