- Lafayette Avenue
- Lakeside Drive
- Lambert Crescent
- Lancaster Avenue
- Langford Church Road
- Lansdowne Avenue
- Latzer Crescent
- Lawren S. Harris Drive
- Lawrence Street
- Laycock Street
- Legion Avenue
- Leonard Street
- Lewis Street
- Lida Street
- Lilac Court
- Lillian Street
- Limerick Lane
- Lincoln Avenue
- Linden Avenue
- Lismer's Place
- Lloyd Street
- Locks Road
- Lois Crescent
- Lombard Street
- Longboat Run
- Longboat Run West
- Lorne Crescent
- Lost Mile Road
- Lovell Crescent
- Ludlow Crescent
- Lundy's Lane
- Lynden Hill Crescent
- Lynden Road
- Lyndhurst Street
- Lyndsay Street
- Lynnwood Drive
- Lyons Avenue