This is a list of lakes of Ontario beginning with the letter A.
A–Ab Lake ALake A A LakeA Lake Aaron Lake (Timiskaming District)Aaron Lake Aaron Lake (Kenora District)Aaron Lake Abamasagi LakeAbamasagi Lake Abamategwia LakeAbamategwia Lake Abams LakeAbams Lake Abate LakeAbate Lake Abazotikichuan LakeAbazotikichuan Lake Abbe LakeAbbe Lake Abbess LakeAbbess Lake Abbey LakeAbbey Lake Abbie LakeAbbie Lake Abbotsford LakeAbbotsford Lake Abbott Lake (Sudbury District)Abbott Lake Abbott Lake (Kenora District)Abbott Lake Abbott Lake (Frontenac County)Abbott Lake Abbott Lake (Rainy River District)Abbott Lake Abelson LakeAbelson Lake Aber LakeAber Lake Abernethy LakeAbernethy Lake Abes LakeAbes Lake Abie LakeAbie Lake Abigogami LakeAbigogami Lake Abimatinu LakeAbimatinu Lake Abinette LakeAbinette Lake Lake AbitibiLake Abitibi Abney LakeAbney Lake Abram Lake (Kenora District)Abram Lake Abram Lake (Cochrane District)Abram Lake Abs LakeAbs Lake
Ac Acanthus LakeAcanthus Lake Ace Lake (Thunder Bay District)Ace Lake Ace Lake (Sudbury District)Ace Lake Acer LakeAcer Lake Achapi LakeAchapi Lake Acheson Lake (Rainy River District)Acheson Lake Acheson Lake (Sudbury District)Acheson Lake Achigan LakeAchigan Lake Acid LakeAcid Lake Acker LakeAcker Lake Ackerman LakeAckerman Lake Acme Lake (Algoma District)Acme Lake Acme Lake (Nipissing District)Acme Lake Acolyte LakeAcolyte Lake Aconda LakeAconda Lake Acorn LakeAcorn Lake Acre LakeAcre Lake Acton LakeActon Lake Acton PondActon Pond
Ad Ada Lake (Muskoka District)Ada Lake Ada Lake (Sudbury District)Ada Lake Ada Lake (Thunder Bay District)Ada Lake Adagio LakeAdagio Lake Adair Lake (Kenora District)Adair Lake Adair Lake (Adrian Township, Thunder Bay District)Adair Lake Adair Lake (Sound Creek, Thunder Bay District)Adair Lake Adam LakeAdam Lake Adamac LakeAdamac Lake Adamhay LakeAdamhay Lake Adams Lake (Muskoka District)Adams Lake Adams Lake (Lanark County)Adams Lake Adams Lake (Renfrew County)Adams Lake Adams Lake (Sudbury District)Adams Lake Adams Lake (Haliburton County)Adams Lake Adamson Lake (Timiskaming District)Adamson Lake Adamson Lake (Kenora District)Adamson Lake Adanac LakeAdanac Lake Add LakeAdd Lake Addie LakeAddie Lake Addington LakeAddington Lake Addison Lake (Thunder Bay District)Addison Lake Addison Lake (Sudbury District)Addison Lake Adel LakeAdel Lake Adelaide Lake (Sudbury District)Adelaide Lake Adelaide Lake (Algoma District)Adelaide Lake Adelard LakeAdelard Lake Adele LakeAdele Lake Adik LakeAdik Lake Adios LakeAdios Lake Admiral LakeAdmiral Lake Admit LakeAdmit Lake Adobe LakeAdobe Lake Adrian LakeAdrian Lake Adrienne LakeAdrienne Lake Adventure LakeAdventure Lake Adze LakeAdze Lake
Ae–Af Aegean LakeAegean Lake Aerial Lake (Kenora District)Aerial Lake Aerial Lake (Thunder Bay District)Aerial Lake Aerobus LakeAerobus Lake Aerofoil LakeAerofoil Lake Aeroplane LakeAeroplane Lake Affleck Lake (Kenora District)Affleck Lake Affleck Lake (Sudbury District)Affleck Lake A-frame LakeA-frame Lake
Ag Agam LakeAgam Lake Agar LakeAgar Lake Agassiz LakeAgassiz Lake Agate Lake (Peterborough County)Agate Lake Agate Lake (Thunder Bay District)Agate Lake Agate Lake (Cochrane District)Agate Lake Agawa LakeAgawa Lake Agawa Station LakeAgawa Station Lake Agimak LakeAgimak Lake Agnes Lake (Rainy River District)Agnes Lake Agnes Lake (Parry Sound District)Agnes Lake Agnew Lake (Sudbury District)Agnew Lake Agnew Lake (Kenora District)Agnew Lake Agonzon LakeAgonzon Lake Agreen LakeAgreen Lake Aguasabon LakeAguasabon Lake Ague LakeAgue Lake Agusada LakeAgusada Lake Agusk LakeAgusk Lake Agutua LakeAgutua Lake
Ah–Ai Ahdik LakeAhdik Lake Ahern LakeAhern Lake Ahmabel LakeAhmabel Lake Ahme LakeAhme Lake Ahmic LakeAhmic Lake Ahsine LakeAhsine Lake Aiabewatik LakeAiabewatik Lake Aide LakeAide Lake Aikens LakeAikens Lake Aikman LakeAikman Lake Aileen LakeAileen Lake Ainslie LakeAinslie Lake Air Hole LakeAir Hole Lake Aird LakeAird Lake Airplane Lake (Sudbury District)Airplane Lake Airplane Lake (Algoma District)Airplane Lake Airport Lake (Algoma District)Airport Lake Airport Lake (Thunder Bay District)Airport Lake Airstrip LakeAirstrip Lake Airy LakeAiry Lake Aitken Lake (Algoma District)Aitken Lake Aitken Lake (Cochrane District)Aitken Lake
Aj–Ak Ajax LakeAjax Lake Akandamo LakesAkandamo Lakes Akebia LakeAkebia Lake Akey LakeAkey Lake Aki LakeAki Lake Akin LakesAkin Lakes Akonesi LakeAkonesi Lake Akonewi LakeAkonewi Lake Akow LakeAkow Lake Akron LakesAkron Lakes Akweskwa LakeAkweskwa Lake
Al Alabama LakeAlabama Lake Alaska's LakeAlaska's Lake Alba LakeAlba Lake Albert Lake (Kenora District)Albert Lake Albert Lake (Algoma District)Albert Lake Albert Lake (Lahontan Township, Thunder Bay District)Albert Lake Albert Lake (Fleming Township, Rainy River District)Albert Lake Albert Lake (Burntside Lake, Rainy River District)Albert Lake Albert Lake (Arnott Lake, Thunder Bay District)Albert Lake Albert Lake (Gzowski Township, Thunder Bay District)Albert Lake Albert Lake (Renfrew County)Albert Lake Alberta LakeAlberta Lake Albion LakeAlbion Lake Alces LakeAlces Lake Alco LakeAlco Lake Alcock LakeAlcock Lake Alcona LakeAlcona Lake Alcorn LakeAlcorn Lake Alden Lake (Martel Township, Algoma District)Alden Lake Alden Lake (Corbriere Township, Algoma District)Alden Lake Alder Lake (Peterborough County)Alder Lake Alder Lake (Waterloo Region)Alder Lake Alder Lake (Kenora District)Alder Lake Alder Lake (Nipissing District)Alder Lake Aldon LakeAldon Lake Aldous LakeAldous Lake Aldred LakeAldred Lake Aldridge LakeAldridge Lake Ale LakeAle Lake Aleck LakeAleck Lake Alex Lake (Algoma District)Alex Lake Alex Lake (Kenora District)Alex Lake Alex Lake (Cochrane District)Alex Lake Alexander Lake (Nipissing District)Alexander Lake Alexander Lake (Hughson Township, Algoma District)Alexander Lake Alexander Lake (Kenora District)Alexander Lake Alexander Lake (Cochrane District)Alexander Lake Alexander Lake (Duncan Township, Algoma District)Alexander Lake Alexander Lake (Sudbury District)Alexander Lake Alexander Lake (Timiskaming District)Alexander Lake Alexandra LakeAlexandra Lake Alexandre LakeAlexandre Lake Alexis LakeAlexis Lake Alf Lake (Laughren Township, Algoma District)Alf Lake Alf Lake (Marjorie Township, Algoma District)Alf Lake Alfes LakeAlfes Lake Alford Lake (Morah Lake, Kenora District)Alford Lake Alford Lake (Graves Township, Kenora District)Alford Lake Alfred Lake (Kenora District)Alfred Lake Alfred Lake (Nipissing District)Alfred Lake Alfred Lake (Thunder Bay District)Alfred Lake Alfreda LakeAlfreda Lake Alga LakeAlga Lake Algocen LakeAlgocen Lake Algonquin LakeAlgonquin Lake Alguire LakeAlguire Lake Alice Lake (Kenora District)Alice Lake Alice Lake (Dickson Township, Nipissing District)Alice Lake Alice Lake (Ashley Township, Algoma District)Alice Lake Alice Lake (Greater Sudbury)Alice Lake Alice Lake (Timiskaming District)Alice Lake Alice Lake (Rainy River District)Alice Lake Alice Lake (Leclaire Township, Algoma District)Alice Lake Alice Lake (Gaudry Township, Algoma District)Alice Lake Alice Lake (Hartle Township, Nipissing District)Alice Lake Alice Lake (Sudbury District)Alice Lake Alike LakeAlike Lake Alister LakeAlister Lake Aljo LakeAljo Lake Alkenore LakeAlkenore Lake Allan Lake (Rowan Lake, Kenora District)Allan Lake Allan Lake (Temagami)Allan Lake Allan Lake (Clifford Township, Cochrane District)Allan Lake Allan Lake (Fitzgerald Township, Nipissing District)Allan Lake Allan Lake (Rainy River District)Allan Lake Allan Lake (Thunder Bay District)Allan Lake Allan Lake (Neely Township, Cochrane District)Allan Lake Allan Lake (Sioux Lookout)Allan Lake Allan Lake (McEachern Lake, Cochrane District)Allan Lake Allan Park Trout PondAllan Park Trout Pond Allard Lake (Olink Lake, Thunder Bay District)Allard Lake Allard Lake (Algoma District)Allard Lake Allard Lake (Seseganaga Lake, Thunder Bay District)Allard Lake Allbright LakeAllbright Lake Allely LakeAllely Lake Allen Lake (Rainy River District)Allen Lake Allen Lake (Killarney)Allen Lake Allen Lake (Riggs Township, Algoma District)Allen Lake Allen Lake (Hughson Township, Algoma District)Allen Lake Allen Lake (Corbiere Township, Algoma District)Allen Lake Allen Lake (Haliburton County)Allen Lake Allen Lake (Blind River)Allen Lake Allen Lake (Hastings County)Allen Lake Allen Lake (Cunningham Township, Sudbury District)Allen Lake Allen LakesAllen Lakes Allenby LakeAllenby Lake Allens LakesAllens Lakes Alligator LakeAlligator Lake Allin Lake (Sudbury District)Allin Lake Allin Lake (Kenora District)Allin Lake Allison LakeAllison Lake Allumette LakeAllumette Lake Alluring LakeAlluring Lake Alm LakeAlm Lake Alma Lake (Thunder Bay District)Alma Lake Alma Lake (Timiskaming District)Alma Lake Alma Lake (Sudbury District)Alma Lake Alma Lake (Algoma District)Alma Lake Almo LakeAlmo Lake Almon LakeAlmon Lake Almonte LakeAlmonte Lake Alonghill LakeAlonghill Lake Alph LakeAlph Lake Alpha Lake (Athelstane Creek, Thunder Bay District)Alpha Lake Alpha Lake (Algoma District)Alpha Lake Alpha Lake (Dwight Lake, Thunder Bay District)Alpha Lake Alpha Lake (Sudbury District)Alpha Lake Alpine Lake (Algoma District)Alpine Lake Alpine Lake (Cochrane District)Alpine Lake Alport LakeAlport Lake Alsever LakeAlsever Lake Alston Lake (Sudbury District)Alston Lake Alston Lake (Kenora District)Alston Lake Altar LakeAltar Lake Altimeter LakeAltimeter Lake Altitude LakeAltitude Lake Alto LakeAlto Lake Alton LakeAlton Lake Alva LakeAlva Lake Alvin LakeAlvin Lake Alwyn LakeAlwyn Lake
Am Amable LakesAmable Lakes Amaleen LakeAmaleen Lake Amanda LakeAmanda Lake Ambrose Lake (Thunder Bay District)Ambrose Lake Ambrose Lake (Algoma District)Ambrose Lake Amelia Lake (Algoma District)Amelia Lake Amelia Lake (Sudbury District)Amelia Lake Ameliasburg Mill PondAmeliasburg Mill Pond American Cabin LakeAmerican Cabin Lake Ames LakeAmes Lake Amesdale LakeAmesdale Lake Ameson LakeAmeson Lake Amethyst LakeAmethyst Lake Amik Lake (Algoma District)Amik Lake Amik Lake (Rainy River District)Amik Lake Amik Lake (Cochrane District)Amik Lake Amik Lake (Max Creek, Thunder Bay District)Amik Lake Amik Lake (Kenora District)Amik Lake Amik Lake (Greenstone)Amik Lake Amikeus LakeAmikeus Lake Amikogaming LakeAmikogaming Lake Amikougami LakeAmikougami Lake Amlin LakeAmlin Lake Amoeba LakeAmoeba Lake Amos Lake (Thunder Bay District)Amos Lake Amos Lake (Sudbury District)Amos Lake Amos Lake (Timiskaming District)Amos Lake Amp LakeAmp Lake Amra LakeAmra Lake Amwri LakeAmwri Lake Amy Lake (Sudbury District)Amy Lake Amy Lake (Algoma District)Amy Lake Amylou LakeAmylou Lake Amyoa LakeAmyoa Lake
An Ana LakeAna Lake Anahareo LakeAnahareo Lake Anape LakeAnape Lake Anaway LakeAnaway Lake Anchor Lake (Rainy River District)Anchor Lake Anchor Lake (Kenora District)Anchor Lake Anchor Lake (Cochrane District)Anchor Lake Anchor Lake (Sudbury District)Anchor Lake Ancliff LakeAncliff Lake Anders LakeAnders Lake Andersen LakeAndersen Lake Anderson Lake (Tolstoi Township, Cochrane District)Anderson Lake Anderson Lake (Favell Lake, Cochrane District)Anderson Lake Anderson Lake (Nipissing District)Anderson Lake Anderson Lake (Sturgeon Lake, Thunder Bay District)Anderson Lake Anderson Lake (Sudbury District)Anderson Lake Anderson Lake (Wawa)Anderson Lake Anderson Lake (Timiskaming District)Anderson Lake Anderson Lake (Black River-Matheson)Anderson Lake Anderson Lake (St. Ignace Island, Thunder Bay District)Anderson Lake Anderson Lake (Kwetabohigan River, Cochrane District)Anderson Lake Anderson Lake (Frost Township, Algoma District)Anderson Lake Anderson Lake (Shuniah)Anderson Lake Anderson Lake (Anderson Township, Algoma District)Anderson Lake Anderson Lake (MacFie Township, Kenora District)Anderson Lake Anderson Lake (Haliburton County)Anderson Lake Anderson Lake (Anderson Creek, Kenora District)Anderson Lake Anderson Lake (Lanark County)Anderson Lake Anderson Lake (Grey County)Anderson Lake Anderson Lake (Ontario–Manitoba)Anderson Lake Anderson PondAnderson Pond Andre LakeAndre Lake