Find MPP by name:
| MPP Sort descending | Riding | Party |
|---|---|---|
| Labrosse, Joseph Louis | Prescott | Ontario Liberal Party |
| Lackner, Henry George | Waterloo North | Conservative Party |
| Laidlaw, James | Wellington South | Ontario Liberal Party |
| Lalonde, Jean-Marc | Glengarry—Prescott—Russell | Ontario Liberal Party |
| Lalonde, Marie-France | Orléans | Ontario Liberal Party |
| Lamarche, Charles | Nipissing East | Conservative Party |
| Lamport, Allan Austin | St. David | Ontario Liberal Party |
| Lancaster, Thomas Percival | Peterborough | Conservative Party |
| Lane, John | York East | Ontario Liberal Party |
| Lane, John Gordon | Algoma—Manitoulin | Progressive Conservative Party of Ontario |
| Lang, Malcolm | Cochrane | Ontario Liberal Party |
| Langford, George Edward | Muskoka | Conservative-Protestant Protective Association |
| Lankin, Frances | Beaches—East York | New Democratic Party of Ontario |
| Lapierre, Edmund Antoine | Sudbury | Ontario Liberal Party |
| Latchford, Francis Robert | Renfrew South | Ontario Liberal Party |
| Lauder, Abraham William | Grey East | Conservative Party |
| Laughren, Floyd | Nickel Belt | New Democratic Party of Ontario |
| Laughton, Fred Van Wyck | Middlesex North | Conservative Party |
| Laurier, Robert | Ottawa East | Ontario Liberal Party |
| Lavergne, Gordon | Russell | Progressive Conservative Party of Ontario |
| Lawlor, Patrick Daniel | Lakeshore | New Democratic Party of Ontario |
| Lawrence, Albert Benjamin Rutter | Carleton East | Progressive Conservative Party of Ontario |
| Lawrence, Allan Frederick | St. George | Progressive Conservative Party of Ontario |
| Lawrence, Samuel | Hamilton East | Co-operative Commonwealth Federation |
| Leach, Allan F. | St. George—St. David | Progressive Conservative Party of Ontario |
| Leadston, Gary L. | Kitchener—Wilmot | Progressive Conservative Party of Ontario |
| Leal, Jeff | Peterborough | Ontario Liberal Party |
| Leardi, Anthony | Essex | Progressive Conservative Party of Ontario |
| Leavens, Bertram Elijah | Woodbine | Co-operative Commonwealth Federation |
| Leavine, Stanley Francis | Waterloo North | Progressive Conservative Party of Ontario |
| LeBourdais, Linda Lillian | Etobicoke West | Ontario Liberal Party |
| Lecce, Hon. Stephen | King—Vaughan | Progressive Conservative Party of Ontario |
| Leduc, Marie Charles Denis Paul | Ottawa East | Ontario Liberal Party |
| Lee, John | Kent East | Ontario Liberal Party |
| Lees, William | Lanark South | Conservative Party |
| Leeson, George Mansfield | Grey South | United Farmers of Ontario |
| Legault, Théodore | Nipissing | Ontario Liberal Party |
| Léger, Marcel | Cochrane North | Progressive Conservative Party of Ontario |
| Leluk, Nicholas Georges | York West | Progressive Conservative Party of Ontario |
| Lennox, Thomas Herbert | York North | Conservative Party |
| Leone, Laureano | Downsview | Ontario Liberal Party |
| Leone, Rob | Cambridge | Progressive Conservative Party of Ontario |
| Leslie, John A. | York East | Progressive Conservative Party of Ontario |
| Lessard, Wayne | Windsor—Riverside | New Democratic Party of Ontario |
| Lethbridge, John Giles | Middlesex West | Progressive |
| Letherby, Lloyd Averall | Simcoe East | Progressive Conservative Party of Ontario |
| Levac, Dave | Brant | Ontario Liberal Party |
| Lewis, Alexander Cameron | Toronto Northeast — Seat A | Conservative Party |
| Lewis, Frederick William | Dufferin | Conservative Party |
| Lewis, Stephen Henry | Scarborough West | New Democratic Party of Ontario |
| Lewis, Thomas Henry | Welland | Progressive Conservative Party of Ontario |
| Lewis, William Beverley | Humber | Progressive Conservative Party of Ontario |
| Leys, Francis Baxter | London | Ontario Liberal Party |
| Leys, John | Toronto (3 seats) | Ontario Liberal Party |
| Lindo, Laura Mae | Kitchener Centre | New Democratic Party of Ontario |
| Lipsett, Ronald F. | Grey | Ontario Liberal Party |
| Little, Archibald | Norfolk North | Ontario Liberal Party |
| Little, Edward Alfred | Cardwell | Conservative Party |
| Livingston, James | Waterloo South | Ontario Liberal Party |
| Lockhart, George Edward | Rainy River | Co-operative Commonwealth Federation |
| Lockhart, William Thomas | Durham West | Ontario Liberal Party |
| Long, Thomas | Simcoe West | Conservative Party |
| Loughrin, John | Nipissing | Ontario Liberal Party |
| Lount, William | Simcoe North | Ontario Liberal Party |
| Lowe, William James | Peel | Ontario Liberal Party |
| Lucas, Isaac Benson | Grey Centre | Conservative Party |
| Luckock, Rae | Bracondale | Co-operative Commonwealth Federation |
| Lumsden, Alexander | Ottawa (2 Seats) | Ontario Liberal Party |
| Lumsden, Hon. Neil | Hamilton East—Stoney Creek | Progressive Conservative Party of Ontario |
| Lupusella, Antonio | Dovercourt | Ontario Liberal Party |
| Luton, Daniel | Elgin East | Conservative Party |
| Lyon, Robert | Carleton | Ontario Liberal Party |
| Lyon, Robert Adam | Algoma East | Ontario Liberal Party |
| Lyon, William Durie | Halton | Ontario Liberal Party |
| Lyons, Clayton Harry | Sault Ste. Marie | Progressive Conservative Party of Ontario |
| Lyons, James | Sault Ste. Marie | Conservative Party |