L
- Lac des Mille Lacs
- Lac des Mille Lacs 22A1
- Lac La Croix
- Laclu
- Lac Seul
- Lac Seul 28
- Lac-Ste-Thèràse
- Lac-Ste-Thérèse
- Lady Bank
- Ladysmith
- Lafontaine
- Lafontaine Beach
- Laforest
- Laggan
- Lagoon City
- Laird
- Lajeunesse Bridge
- Lake Bernard
- Lake Catherine
- Lake Charles
- Lake Clear
- Lake Couchiching
- Lake Dalrymple
- Lake Despair
- Lake Doré
- Lake Erie Country Club
- Lakefield
- Lake Helen 53A
- Lake Huron Highland
- Lakehurst
- Lake Joseph
- Lakeland Acres
- Lakeland Point
- Lakelet
- Lake Louise
- Lake Muskoka
- Lake Nipigon
- Lake Nipigon Reserve
- 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 Park
- Lakeport
- Lake River
- Lake Rosalind
- Lake Rosseau
- Lakeshore
- Lakeside
- Lakeside
- Lakeside Beach
- Lake St. Peter
- Lake Traverse
- Lake Udora
- Lakeview
- Lakeview Beach
- Lakeview Estates
- Lakeview Heights
- Lakeview Park
- Lake Wasaw
- Lakewood
- Lakewood Beach
- L'Amable
- Lamaune
- Lambert
- Lambeth
- Lambs Corners
- Lambton Baby Point
- Lambton Shores
- Lamlash
- Lammermoor
- L'Amoreaux
- Lanark
- Lanark Highlands
- Lancaster
- Lancelot
- Landerkin
- Landry Crossing
- Lanes
- Langdon
- Langford
- Langman
- Langside
- Langton
- Lansdowne
- Lansdowne House
- Lansing
- Lansing-Westgate
- Lapalmes
- Lapalmes Spur
- La Passe
- Lapointe
- Lappe
- Larder Lake
- La Renouche
- Largie
- Larkins
- Larocque
- Larue Mills
- La Salette
- LaSalle
- LaSalle Park
- Laseine
- Laskay
- Lasswade
- Latchford
- Latchford Bridge
- Latimer
- Latta
- Lauderbach
- Laurel
- Laurentian Hills
- Laurentian Valley
- Laurentian View
- Laurier
- Laurier
- Laurin
- Lauriston
- Lavallee
- La Vallee
- Lavant
- Lavant Station
- Lavender
- Lavigne
- Lawfield
- Lawrence Park
- Lawrence Park North
- Lawrence Park South
- Lawrence Station
- Lawton's Corners
- Layton
- Leadbury
- Leamington
- Leaside-Bennington
- Leaskdale
- Leatherdale Landing
- Lebanon
- Ledgerwoods Corner
- Leeburn
- Leeds and the Thousand Islands
- Leeland Gardens
- Lee Valley
- Leeville
- Lefaives Corners
- Lefaivre
- Lefroy
- Leggatt
- Legge
- Lehighs Corners
- Leigh
- Leith
- Leitrim
- Leland
- Lemieux
- Lemonville
- Lennon
- Lens
- Lentz Landing
- Leonard
- Lepage
- Leskard
- Les Sources
- Letterbreen
- Letterkenny
- Letts Corners
- Levack
- Levergood Beach
- Lewis Corners
- Lewisham
- Lieury
- Lifford
- Lighthouse
- Lighthouse Cove
- Lillies
- Lily Oak
- Limanac
- Limberlost Lodge
- Limehouse
- Lime Lake
- Limer
- Limerick
- Limerick
- Limoges
- Lincoln
- Lincolnville
- Lind
- Linden Beach
- Linden Valley
- Lindenwood
- Lindsay
- Lingman Lake
- Linko
- Links Mills
- Linton
- Linwood
- Lion's Head
- Lisbon
- Lisle
- Listowel
- Little Aylmer
- Little Beausoleil Island
- Little Britain
- Little Brockville
- Little Buffalo
- Little Current
- Little Egypt
- Little Germany
- Little Germany
- Little Hawk Lake
- Little Italy
- Little Lake
- Little Longlac
- Little Long Rapids
- Little Port Elgin
- Little Portugal
- Little Rapids
- Littles Corners
- Littlewood
- Lively
- Liverpool
- Living Springs
- Livingstone Creek
- Lloyd
- Lloydtown
- Lobo
- Lobo Siding
- Lochalsh
- Lochalsh
- Loch Garry
- Lochiel
- Lochinvar
- Lochlin
- Lochwinnoch
- Lockerby
- Locksley
- Lockton
- Locust Hill
- Lodgeroom Corners
- Lodi
- Logierait
- Lombardy
- Londesborough
- London
- Long Bay
- Long Beach
- Longbow Lake
- Long Branch
- Longford Mills
- Long Island
- Longlac
- Long Lake
- Long Lake 58
- Long Point
- Long Sault
- Long Sault 12
- Long Sault Indian Reserve No. 12
- Longtinville
- Longuissa
- Longwood
- Lonsdale
- Lonsdale Station
- Loon
- Lords Mills
- Loree
- Loretto
- L'Orignal
- Lorimer Lake
- Loring
- Lorne
- Lorne Beach
- Lorneville
- Lorrain
- Lorraine
- Lorrain Valley
- Lost Channel
- Lost Channel
- Lost Channel Landing
- Lost Nation
- Lothian
- Lotus
- Loughbreeze
- Louisville
- Lovat
- Lovekin
- Lovering
- Lovett
- Lowbanks
- Low Bush
- Low Bush River
- Lower Dacre
- Lower Langside
- Lower Stafford
- Lower Sturgeon
- Lower Wingham
- Lowther
- Lowville
- Loyal
- Loyalist
- Loyalist Park
- Lucan
- Lucan Biddulph
- Lucasville
- Lucille
- Lucknow
- Ludgate
- Lueck Mill
- Lumina
- Lumley
- Lunar
- Lundys Corners
- Lunenburg
- Lunge Lodge
- Lurgan Beach
- Luton
- Lutterworth Pines
- Luxemburg
- Lyn
- Lyndale
- Lynden
- Lyndhurst
- Lynedoch
- Lynhurst
- Lynn Valley
- Lynnville
- Lynx
- Lyons
- Lyon's Landing
- Lypps Beach
- Lythmore
