- Labriola Court
- Lacey Drive
- Lacroix Court
- Ladies College Drive
- Lady May Drive
- Lafayette Boulevard
- Lahaye Drive
- Lake Ridge Road
- Lake Ridge Road North
- Lake Ridge Road South
- Lambdon Way
- Lamport Court
- Lancewood Drive
- Langmaid Court
- Latchford Way
- Lauren Court
- Lazio Street
- Lee Avenue
- Leithridge Crescent
- Lennon Court
- Leslie Street
- Lesterwood Way
- Lick Pond Way
- Lighthouse Street
- Lilac Terrace
- Limestone Crescent
- Linden Court
- Lipton Crescent
- Lismer Drive
- Littleleaf Court
- Lloyd Gibson Crescent
- Lloyd Street
- Lockridge Street
- Lockton Street
- Lofthouse Drive
- Lonetto Street
- Long Drive
- Longfellow Court
- Longford Court
- Longshore Way
- Longueuil Place
- Lonsdale Court
- Loonstone Street
- Lowder Place
- Lumsden Crescent
- Lupin Drive
- Lurosa Crescent
- Lynde Court
- Lyndebrook Road
- Lyndeview Drive
- Lyndhurst Crescent