This is a list of lakes of Ontario beginning with the letter L.

L–Lad L Lake (Muskoka District)L Lake L Lake (Parry Sound District)L Lake L Lake (Nipissing District)L Lake L'Amable LakeL'Amable Lake La Brash LakeLa Brash Lake La Casse LakeLa Casse Lake La Chapelle LakeLa Chapelle Lake La Cloche LakeLa Cloche Lake La Force LakeLa Force Lake Lac La FranceLac La France La France LakeLa France Lake Lac La MereLac La Mere La Rose LakeLa Rose Lake Lac La ValléeLac La Vallée La Viollette LakeLa Viollette Lake LaMotte LakeLaMotte Lake Label LakeLabel Lake Lake LabelleLake Labelle Labelle Lake (Frontenac County)Labelle Lake Labelle Lake (Algoma District)Labelle Lake Labelle Lake (Thunder Bay District)Labelle Lake Labiche LakeLabiche Lake Labine Lake (Timiskaming District)Labine Lake Labine Lake (Frontenac County)Labine Lake Labitiche LakeLabitiche Lake Labrador LakeLabrador Lake Labreche LakeLabreche Lake Labree LakeLabree Lake Labyrinth LakeLabyrinth Lake Lacasse LakeLacasse Lake Lacey Lake (Frontenac County)Lacey Lake Lacey Lake (Kenora District)Lacey Lake Lac LaChapelleLac LaChapelle Lackie LakeLackie Lake Lackner LakeLackner Lake Lacobeer LakeLacobeer Lake Lacourse LakeLacourse Lake Laderoute LakeLaderoute Lake Lady Dufferin LakeLady Dufferin Lake Lady Evelyn LakeLady Evelyn Lake Lady LakeLady Lake Lady Macdonald LakeLady Macdonald Lake Lady Maude LakeLady Maude Lake Lady Sydney LakeLady Sydney Lake Lady-slipperLady-slipper Ladyfair LakeLadyfair Lake Ladysmith LakeLadysmith Lake

Laf–Lam Laf LakeLaf Lake Lafarce LakeLafarce Lake Lafferty LakeLafferty Lake Lafleur LakeLafleur Lake Lafleurs LakeLafleurs Lake Lafoe LakeLafoe Lake Laforest LakeLaforest Lake Lafortune LakeLafortune Lake Lafrenieres LakeLafrenieres Lake Lafricain LakeLafricain Lake Lagarde LakeLagarde Lake Lagg LakeLagg Lake Lahaie LakeLahaie Lake Lahay LakeLahay Lake Lahti LakeLahti Lake Laidlaw LakeLaidlaw Lake Laird LakeLaird Lake Laird's LakeLaird's Lake Laitila LakeLaitila Lake Lakelet LakeLakelet Lake Lakin LakeLakin Lake Lakoma LakeLakoma Lake Lalligan LakeLalligan Lake Lally LakeLally Lake Lalonde Lake (Mattawan)Lalonde Lake Lalonde Lake (Boyd Township, Nipissing District)Lalonde Lake Lalonde Lake (Muskoka District)Lalonde Lake Lalonde Lake (Timiskaming District)Lalonde Lake Lamaune LakeLamaune Lake Lamb LakeLamb Lake Lambchop LakeLambchop Lake Lambert LakeLambert Lake Lamberts Lake (Muskoka District)Lamberts Lake Lamberts Lake (Renfrew County)Lamberts Lake Lamble LakeLamble Lake Lambs LakeLambs Lake Lamey LakeLamey Lake Lamon LakeLamon Lake Lamont LakeLamont Lake Lamorie LakeLamorie Lake Lamoth LakeLamoth Lake Lamothe LakeLamothe Lake Lamour LakeLamour Lake Lampi's LakeLampi's Lake Lamprey LakeLamprey Lake Lampson LakeLampson Lake Lake La MuirLake La Muir Lamy LakeLamy Lake

Lan Lancaster Lake (Timiskaming District)Lancaster Lake Lancaster Lake (Kenora District)Lancaster Lake Lance Lake (Sudbury District)Lance Lake Lance Lake (Rainy River District)Lance Lake Lanceley LakeLanceley Lake Lancelot LakeLancelot Lake Land LakeLand Lake Landers LakeLanders Lake Landing LakeLanding Lake Landings LakeLandings Lake Landis LakeLandis Lake Landlock LakeLandlock Lake Landon Lake (Pettypiece Township, Kenora District)Landon Lake Landon Lake (Power Lake, Kenora District)Landon Lake Landrigan LakeLandrigan Lake Landry Lake (Kenora District)Landry Lake Landry Lake (Algoma District)Landry Lake Landrys LakeLandrys Lake Lane Lake (Sudbury District)Lane Lake Lane Lake (Parry Sound District)Lane Lake Lane Lake (Kenora District)Lane Lake Lang Lake (Kenora District)Lang Lake Lang Lake (Lang Township, Sudbury District)Lang Lake Lang Lake (Curtin Township, Sudbury District)Lang Lake Lang Lake (Algoma District)Lang Lake Lang Lake (Thunder Bay District)Lang Lake Langdon LakeLangdon Lake Langemarck LakeLangemarck Lake Langevin LakeLangevin Lake Langfeld LakeLangfeld Lake Langford Lake (Kenora District)Langford Lake Langford Lake (Parry Sound District)Langford Lake Langford Lake (Nipissing District)Langford Lake Langley LakeLangley Lake Langridge LakeLangridge Lake Langstaff LakeLangstaff Lake Lanier LakeLanier Lake Lanigan LakeLanigan Lake Lantern LakeLantern Lake

Lap–Lar Lap LakeLap Lake Laparde LakeLaparde Lake Lapierre LakeLapierre Lake Lapigamau LakeLapigamau Lake Lapointe LakeLapointe Lake Lapp LakeLapp Lake Lapworth LakeLapworth Lake Larabie LakeLarabie Lake Larby LakeLarby Lake Larch LakeLarch Lake Lard LakeLard Lake Larder LakeLarder Lake Lariat LakeLariat Lake Larix LakeLarix Lake Lark Lake (Kenora District)Lark Lake Lark Lake (Rainy River District)Lark Lake Lark Lake (Nipissing District)Lark Lake Larkin Lake (Algoma District)Larkin Lake Larkin Lake (Sudbury District)Larkin Lake Laroche Lake (Thunder Bay District)Laroche Lake Laroche Lake (Nipissing District)Laroche Lake Larocque Lake (Sudbury District)Larocque Lake Larocque Lake (Kenora District)Larocque Lake Larocques LakeLarocques Lake Laronde LakeLaronde Lake Larrabee LakeLarrabee Lake Larrett LakeLarrett Lake Larry Lake (Algoma District)Larry Lake Larry Lake (Timiskaming District)Larry Lake Larry Lake (Fox Creek, Thunder Bay District)Larry Lake Larry Lake (Larry Creek, Thunder Bay District)Larry Lake Larry Lake (Nipissing District)Larry Lake Larsh LakeLarsh Lake Larson Lake (Kenora District)Larson Lake Larson Lake (Parry Sound District)Larson Lake Larus LakeLarus Lake

Las–Lau Lascelles LakeLascelles Lake Lasseter LakeLasseter Lake Lassetter LakeLassetter Lake Lassie LakeLassie Lake Lasswade LakeLasswade Lake Last Lake (Parry Sound District)Last Lake Last Lake (Kenora District)Last Lake Lastcedar LakeLastcedar Lake Lasucor LakeLasucor Lake Late LakeLate Lake Lateral LakeLateral Lake Latimer LakeLatimer Lake Latouche LakeLatouche Lake Latour LakeLatour Lake Latreille LakeLatreille Lake Lature LakeLature Lake Lauber LakeLauber Lake Lauder LakeLauder Lake Laughing Bird LakeLaughing Bird Lake Laughing LakeLaughing Lake Laughren LakeLaughren Lake Laughter LakeLaughter Lake Laughton LakeLaughton Lake Laundrie LakeLaundrie Lake Laundry Lake (Sudbury District)Laundry Lake Laundry Lake (Hastings County)Laundry Lake Laundry Lake (Greater Sudbury)Laundry Lake Laura Lake (Biscotasi Township, Sudbury District)Laura Lake Laura Lake (McConnell Township, Sudbury District)Laura Lake Laura Lake (Algoma District)Laura Lake Laurad LakeLaurad Lake Lauramay LakeLauramay Lake Laurel Lake (Nipissing District)Laurel Lake Laurel Lake (Waterloo Region)Laurel Lake Laurence LakeLaurence Lake Laurensons LakeLaurensons Lake Lake LaurentianLake Laurentian Lauri LakeLauri Lake Laurie LakeLaurie Lake Laurier Lake (Kenora District)Laurier Lake Laurier Lake (Parry Sound District)Laurier Lake Lautons LakeLautons Lake Lauzon Lake (Algoma District)Lauzon Lake Lauzon Lake (Cochrane District)Lauzon Lake

Lav–Laz Laval LakeLaval Lake Lavallee LakeLavallee Lake Lavallée LakeLavallée Lake Lavallie LakeLavallie Lake Lavant Long LakeLavant Long Lake Lavaque LakeLavaque Lake Lavender LakeLavender Lake Laver LakeLaver Lake Lavergne LakeLavergne Lake Lavers LakeLavers Lake Lavery Lake (Cochrane District)Lavery Lake Lavery Lake (Peterborough County)Lavery Lake Lake LavieilleLake Lavieille Lavigne LakeLavigne Lake Lavis LakeLavis Lake Lavo LakeLavo Lake Lavoie Lake (Timiskaming District)Lavoie Lake Lavoie Lake (Kenora District)Lavoie Lake Law Lake (Seine River, Rainy River District)Law Lake Law Lake (Little Turtle River, Rainy River District)Law Lake Lawagamau LakeLawagamau Lake Lawe LakeLawe Lake Lawgrave LakeLawgrave Lake Lawlar LakeLawlar Lake Lawless LakeLawless Lake Lawlor LakeLawlor Lake Lawren Harris LakeLawren Harris Lake Lawrence Lake (Algoma District)Lawrence Lake Lawrence Lake (Sudbury District)Lawrence Lake Lawrence Lake (Haliburton County)Lawrence Lake Lawrence Lake (Hill Lake, Kenora District)Lawrence Lake Lawrence Lake (Bloodvein River, Kenora District)Lawrence Lake Lawson Lake (Sudbury District)Lawson Lake Lawson Lake (Kenora District)Lawson Lake Lawson Lake (Thunder Bay District)Lawson Lake Lawson Lake (Parry Sound District)Lawson Lake Lay LakeLay Lake Laycocks LakeLaycocks Lake Lazell LakeLazell Lake Lazy Lake (Renfrew County)Lazy Lake Lazy Lake (Durham Region)Lazy Lake Lazy Lake (Kenora District)Lazy Lake

Lea–Lec Leach Lake (Thunder Bay District)Leach Lake Leach Lake (Leach Creek, Kenora District)Leach Lake Leach Lake (Sioux Narrows-Nestor Falls)Leach Lake Leach Lake (McLaren Township, Nipissing District)Leach Lake Leach Lake (Finnlayson Township, Nipissing District)Leach Lake Leach Lake (Algoma District)Leach Lake Leach Lake (Sudbury District)Leach Lake Leach Lake (Cochrane District)Leach Lake Leachman LakeLeachman Lake Leacock LakeLeacock Lake Leadbeater LakeLeadbeater Lake Leaden LakeLeaden Lake Leader LakeLeader Lake Leaf Lake (Haliburton County)Leaf Lake Leaf Lake (Algoma District)Leaf Lake Leaf Lake (Nipissing District)Leaf Lake Leafield LakeLeafield Lake Leake LakeLeake Lake Leaming LakeLeaming Lake Leaning LakeLeaning Lake Leaning Pine LakeLeaning Pine Lake Leaningstone LakeLeaningstone Lake Leano LakeLeano Lake Lear LakeLear Lake Leask LakeLeask Lake Least LakeLeast Lake Leather Root LakeLeather Root Lake Leatherhead LakeLeatherhead Lake Leatherleaf Lake (Sudbury District)Leatherleaf Lake Leatherleaf Lake (Nipissing District)Leatherleaf Lake Leatherroot LakeLeatherroot Lake Leaver LakeLeaver Lake Leavitt LakeLeavitt Lake Lebel LakeLebel Lake Lebell LakeLebell Lake Le Blanc LakeLe Blanc Lake Leblanc Lake (Cochrane District)Leblanc Lake Leblanc Lake (Sudbury District)Leblanc Lake Leckey LakeLeckey Lake Leckie LakeLeckie Lake Leclairc LakeLeclairc Lake Leclaire LakeLeclaire Lake Lecompte LakeLecompte Lake Leconte LakeLeconte Lake Lecours LakeLecours Lake

Led–Leh Ledingham LakeLedingham Lake Leduc LakeLeduc Lake Ledyard LakeLedyard Lake Lake LeeLake Lee Lee Lake (Nipissing District)Lee Lake Lee Lake (Long Lake, Kenora District)Lee Lake Lee Lake (Sudbury District)Lee Lake Lee Lake (Killala Township, Kenora District)Lee Lake Lee Lake (Cochrane District)Lee Lake Lee Lake (Thunder Bay District)Lee Lake Lee Lake (Muskoka District)Lee Lake Lee Lake (Renfrew County)Lee Lake Leece LakeLeece Lake Leech Lake (Sudbury District)Leech Lake Leech Lake (Muskoka District)Leech Lake Lees LakeLees Lake Leeson LakeLeeson Lake Leether LakeLeether Lake Le Faive LakeLe Faive Lake Lefever LakeLefever Lake Lefroy LakeLefroy Lake Left LakeLeft Lake Lefteye LakeLefteye Lake Leg Lake (Pearkes Township, Algoma District)Leg Lake Leg Lake (Kenora of District)Leg Lake Leg Lake (Esquega Township, Algoma District)Leg Lake Leg of Lamb LakeLeg of Lamb Lake Legarde LakeLegarde Lake Legare LakeLegare Lake Legault Lake (Greenstone)Legault Lake Legault Lake (Cochrane District)Legault Lake Legault Lake (St. Ignace Island)Legault Lake Legear LakeLegear Lake Legend LakeLegend Lake Leggat LakeLeggat Lake Legge Lake (Jarvis Township, Algoma District)Legge Lake Legge Lake (Legge Township, Algoma District)Legge Lake Leggo LakeLeggo Lake Legris LakeLegris Lake Le Gros LakeLe Gros Lake Legros LakeLegros Lake Le Grou LakeLe Grou Lake Le Heup LakeLe Heup Lake LeHeup LakeLeHeup Lake Lehmann LakeLehmann Lake Lehtinen LakeLehtinen Lake

Lei–Leo Leidtke LakeLeidtke Lake Leigh LakeLeigh Lake Leinster LakeLeinster Lake Leishman LakeLeishman Lake Leitch LakeLeitch Lake Lelonde LakeLelonde Lake Lemay LakeLemay Lake Lemieux Lake (Timiskaming District)Lemieux Lake Lemieux Lake (Renfrew County)Lemieux Lake Lemke LakeLemke Lake Lemoine Lake (Sudbury District)Lemoine Lake Lemoine Lake (Timiskaming District)Lemoine Lake Lemon Lake (Boyce Township, Cochrane District)Lemon Lake Lemon Lake (Nixon Township, Cochrane District)Lemon Lake Lemon Lake (Haliburton County)Lemon Lake Lemonade LakeLemonade Lake Lemont LakeLemont Lake Le Moyne LakeLe Moyne Lake Len LakeLen Lake Lena Lake (Kenora District)Lena Lake Lena Lake (Muskoka District)Lena Lake Lena Lake (Nipissing District)Lena Lake Lena Lake (Algoma District)Lena Lake