L
- Laclu
- Lady Bank
- Ladysmith
- Lafontaine
- Lafontaine Beach
- Laggan
- Lagoon City
- Lajeunesse Bridge
- Lake Bernard
- Lake Catherine
- Lake Charles
- Lake Couchiching
- Lake Dalrymple
- Lake Erie Country Club
- Lakefield
- Lake Huron Highland
- Lakehurst
- Lake Joseph
- Lakeland Acres
- Lakeland Point
- Lakelet
- Lake Louise
- Lake Muskoka
- Lake of Bays
- Lake of The Woods
- Lake of The Woods 31G
- Lake of The Woods 37
- Lake of The Woods Indian Reserve No. 31B
- Lake of The Woods Indian Reserve No. 31C
- Lake of The Woods Indian Reserve No. 31H
- Lake of The Woods Indian Reserve No. 34
- Lake of The Woods Indian Reserve No. 35J
- Lake of The Woods Indian Reserve No. 37B
- Lake On The Mountain
- Lake Opinicon
- Lake Rosalind
- Lake Rosseau
- Lakeshore
- Lakeside
- Lake St. Peter
- Lakeview
- Lakeview Beach
- Lakeview Estates
- Lakeview Heights
- Lakewood
- Lakewood Beach
- L'Amable
- Lambert
- Lambs Corners
- Lambton Shores
- Lamlash
- Lancaster
- Lancelot
- Landerkin
- Lanes
- Langman
- Langside
- Langton
- Lansdowne
- Lapointe
- Largie
- Larkins
- Larue Mills
- La Salette
- LaSalle
- LaSalle Park
- Lasswade
- Latimer
- Latta
- Lauderbach
- Laurier
- Laurier
- Laurin
- Lauriston
- Lavender
- Lawrence Park
- Lawrence Station
- Lawton's Corners
- Leadbury
- Leamington
- Lebanon
- Leeds and The Thousand Islands
- Leeland Gardens
- Lefaives Corners
- Lefroy
- Legge
- Lehighs Corners
- Leith
- Leland
- Lens
- Letterbreen
- Levergood Beach
- Lewis Corners
- Lewisham
- Lieury
- Lifford
- Lighthouse
- Lighthouse Cove
- Lillies
- Lily Oak
- Limberlost Lodge
- Lime Lake
- Limerick
- Limerick
- Lincoln
- Lind
- Linden Beach
- Linden Valley
- Lindenwood
- Lindsay
- Links Mills
- Linwood
- Lion's Head
- Lisbon
- Lisle
- Listowel
- Little Aylmer
- Little Beausoleil Island
- Little Britain
- Little Brockville
- Little Buffalo
- Little Egypt
- Little Germany
- Little Hawk Lake
- Little Lake
- Little Port Elgin
- Littles Corners
- Littlewood
- Living Springs
- Lobo
- Lobo Siding
- Lochalsh
- Loch Garry
- Lochiel
- Lochinvar
- Lochlin
- Lockerby
- Lodgeroom Corners
- Lodi
- Logierait
- Lombardy
- Londesborough
- Long Beach
- Longbow Lake
- Longford Mills
- Long Island
- Long Point
- Long Point
- Long Sault
- Longuissa
- Longwood
- Lonsdale
- Lonsdale Station
- Lords Mills
- Loree
- Loretto
- Lorimer Lake
- Loring
- Lorne
- Lorne
- Lorne Beach
- Lorneville
- Lorraine
- Lost Channel
- Lost Channel
- Lost Channel Landing
- Lothian
- Lotus
- Louisville
- Lovat
- Lovering
- Lovett
- Lowbanks
- Lower Langside
- Lower Wingham
- Loyal
- Loyalist
- Loyalist Park
- Lucan
- Lucan Biddulph
- Lucasville
- Lucknow
- Ludgate
- Lueck Mill
- Lumina
- Lumley
- Lunenburg
- Lurgan Beach
- Luton
- Lutterworth Pines
- Luxemburg
- Lyn
- Lyndale
- Lyndhurst
- Lynedoch
- Lynhurst
- Lynn Valley
- Lynnville
- Lyons
- Lyon's Landing
- Lypps Beach
- Lythmore