- Laberge Lane
- Labre Road
- Lady Ashley Court
- Laforest Avenue
- Laforge Street
- Lagacé Street
- Lake End Road
- Lake Point Court
- Lakeshore Drive
- Lakeview Drive
- Lakewood Drive
- Lambton Court
- Lammi's Road
- Lamothe Street
- Lancaster Drive
- Landing Road
- Landreville
- Landsend Street
- Langley Road
- Lansdowne Street
- Lansing Avenue
- Lapointe Street
- Larch Street
- Larchwood Drive
- Lasalle Boulevard
- Latimer Crescent
- Laura Avenue
- Laurelcrest Avenue
- Laurentian Street
- Laurentian Village
- Laurier Street
- Lauzon Avenue
- Laval Street
- Lavoie Street
- Lawson Street
- Lebel Street
- Leedale Avenue
- Lehtonen Road
- Lenox Avenue
- Léon Avenue
- Leslie Street
- Lévesque Street
- Levina Street
- Lévis Street
- Lexington Court
- Libra Circle
- Lilac Street
- Lillian Boulevard
- Lincoln Road
- Linda Street
- Linden Street
- Lisgar Street
- Lloyd Street
- Loach's Road
- Logan Avenue
- Lohi Lake Road
- Long Lake Road
- Lonsdale Avenue
- Lorne Street
- Lorraine Street
- Louis Street
- Louisa Drive
- Lourdes Street
- Luoma Road
- Lynwood Drive