List of lakes of Ontario: A facts for kids

Ontario, a huge province in Canada, is famous for having an incredible number of lakes! In fact, it has over 250,000 lakes, which is about one-fifth of all the freshwater lakes in the entire world. These lakes are super important for nature, providing homes for many animals and plants. They are also great places for people to visit, offering chances for fishing, boating, and swimming. This article explores some of the many lakes in Ontario whose names begin with the letter 'A'.

What is This List About?

This article is a special list of lakes found in Ontario, Canada. It focuses on lakes whose names start with the letter 'A'. Because there are so many lakes in Ontario, lists like this help people organize and find information about them. Think of it like a giant encyclopedia of lakes, where each entry helps you learn more about a specific body of water.

Why So Many Lakes in Ontario?

Ontario's landscape was shaped over millions of years by huge sheets of ice called glaciers. As these glaciers moved across the land, they carved out deep hollows and valleys. When the glaciers melted, these hollows filled with water, creating the thousands of lakes we see today. This process also left behind a lot of rocks and soil, which created natural dams, helping to hold the water in place. This is why Ontario has such a unique and watery geography, making it a true "land of lakes."

Exploring Lakes Starting with 'A'

The lakes in Ontario are found in many different areas, from busy southern regions to the vast, wild northern parts. Each lake has its own unique features and history. This list helps us explore just a small part of this amazing natural heritage, focusing on those that begin with 'A'.

Lakes A–Ab

This section includes lakes with names starting from 'A' up to 'Ab'. Many of these lakes are found in different districts across Ontario, like the Timiskaming District or the Kenora District. For example, Lake Abitibi is a very large lake that actually crosses the border between Ontario and Quebec. It's known for its fishing and natural beauty. Other lakes in this group include Abamasagi Lake and Abram Lake.

• A Lake
• Aaron Lake (Timiskaming District)
• Aaron Lake (Kenora District)
• Abamasagi Lake
• Abamategwia Lake
• Abams Lake
• Abate Lake
• Abazotikichuan Lake
• Abbe Lake
• Abbess Lake
• Abbey Lake
• Abbie Lake
• Abbotsford Lake
• Abbott Lake (Sudbury District)
• Abbott Lake (Kenora District)
• Abbott Lake (Frontenac County)
• Abbott Lake (Rainy River District)
• Abelson Lake
• Aber Lake
• Abernethy Lake
• Abes Lake
• Abie Lake
• Abigogami Lake
• Abimatinu Lake
• Abinette Lake
• Lake Abitibi
• Abney Lake
• Abram Lake (Kenora District)
• Abram Lake (Cochrane District)
• Abs Lake

Lakes Ac

Moving on to lakes starting with 'Ac', we find names like Acanthus Lake and Acme Lake. These lakes are spread across various districts, including Thunder Bay and Sudbury. Many of them are smaller, remote lakes that are important parts of Ontario's vast wilderness.

• Acanthus Lake
• Ace Lake (Thunder Bay District)
• Ace Lake (Sudbury District)
• Acer Lake
• Achapi Lake
• Acheson Lake (Rainy River District)
• Acheson Lake (Sudbury District)
• Achigan Lake
• Acid Lake
• Acker Lake
• Ackerman Lake
• Acme Lake (Algoma District)
• Acme Lake (Nipissing District)
• Acolyte Lake
• Aconda Lake
• Acorn Lake
• Acre Lake
• Acton Lake
• Acton Pond

Lakes Ad

The 'Ad' section includes lakes such as Ada Lake and Adams Lake. These lakes are found in different parts of Ontario, from Muskoka to Haliburton County. Many of them are named after early settlers or local landmarks, reflecting the history of the areas where they are located.

• Ada Lake (Muskoka District)
• Ada Lake (Sudbury District)
• Ada Lake (Thunder Bay District)
• Adagio Lake
• Adair Lake (Kenora District)
• Adair Lake (Adrian Township, Thunder Bay District)
• Adair Lake (Sound Creek, Thunder Bay District)
• Adam Lake
• Adamac Lake
• Adamhay Lake
• Adams Lake (Muskoka District)
• Adams Lake (Lanark County)
• Adams Lake (Renfrew County)
• Adams Lake (Sudbury District)
• Adams Lake (Haliburton County)
• Adamson Lake (Timiskaming District)
• Adamson Lake (Kenora District)
• Adanac Lake
• Add Lake
• Addie Lake
• Addington Lake
• Addison Lake (Thunder Bay District)
• Addison Lake (Sudbury District)
• Adel Lake
• Adelaide Lake (Sudbury District)
• Adelaide Lake (Algoma District)
• Adelard Lake
• Adele Lake
• Adik Lake
• Adios Lake
• Admiral Lake
• Admit Lake
• Adobe Lake
• Adrian Lake
• Adrienne Lake
• Adventure Lake
• Adze Lake

Lakes Ae–Af

This smaller group of lakes includes names like Aegean Lake and Aeroplane Lake. These names often reflect something about the lake's shape, location, or perhaps a local story. They are found in various districts, including Kenora and Sudbury.

• Aegean Lake
• Aerial Lake (Kenora District)
• Aerial Lake (Thunder Bay District)
• Aerobus Lake
• Aerofoil Lake
• Aeroplane Lake
• Affleck Lake (Kenora District)
• Affleck Lake (Sudbury District)
• A-frame Lake

Lakes Ag

The 'Ag' section features lakes like Agate Lake and Agnes Lake. Some of these lakes, like Agawa Lake, are located in beautiful provincial parks, making them popular spots for outdoor activities. Agnew Lake is another notable entry in this group.

• Agam Lake
• Agar Lake
• Agassiz Lake
• Agate Lake (Peterborough County)
• Agate Lake (Thunder Bay District)
• Agate Lake (Cochrane District)
• Agawa Lake
• Agawa Station Lake
• Agimak Lake
• Agnes Lake (Rainy River District)
• Agnes Lake (Parry Sound District)
• Agnew Lake (Sudbury District)
• Agnew Lake (Kenora District)
• Agonzon Lake
• Agreen Lake
• Aguasabon Lake
• Ague Lake
• Agusada Lake
• Agusk Lake
• Agutua Lake

Lakes Ah–Ai

This group includes lakes such as Ahmic Lake and Airplane Lake. Many of these names are unique and might come from Indigenous languages or local stories. They are spread across different districts, from Algoma to Cochrane.

• Ahdik Lake
• Ahern Lake
• Ahmabel Lake
• Ahme Lake
• Ahmic Lake
• Ahsine Lake
• Aiabewatik Lake
• Aide Lake
• Aikens Lake
• Aikman Lake
• Aileen Lake
• Ainslie Lake
• Air Hole Lake
• Aird Lake
• Airplane Lake (Sudbury District)
• Airplane Lake (Algoma District)
• Airport Lake (Algoma District)
• Airport Lake (Thunder Bay District)
• Airstrip Lake
• Airy Lake
• Aitken Lake (Algoma District)
• Aitken Lake (Cochrane District)

Lakes Aj–Ak

This section lists lakes like Ajax Lake and Aki Lake. These names often have interesting origins, sometimes reflecting the shape of the lake or local wildlife. They are found in various parts of Ontario, including the Kenora District.

• Ajax Lake
• Akandamo Lakes
• Akebia Lake
• Akey Lake
• Aki Lake
• Akin Lakes
• Akonesi Lake
• Akonewi Lake
• Akow Lake
• Akron Lakes
• Akweskwa Lake

Lakes Al

The 'Al' section is quite large, featuring many lakes such as Albert Lake, Alexander Lake, and Alice Lake. These lakes are found all over Ontario, from Kenora to Renfrew County and beyond. Many are named after people, reflecting the history of exploration and settlement in the province.

• Alabama Lake
• Alaska's Lake
• Alba Lake
• Albert Lake (Kenora District)
• Albert Lake (Algoma District)
• Albert Lake (Lahontan Township, Thunder Bay District)
• Albert Lake (Fleming Township, Rainy River District)
• Albert Lake (Burntside Lake, Rainy River District)
• Albert Lake (Arnott Lake, Thunder Bay District)
• Albert Lake (Gzowski Township, Thunder Bay District)
• Albert Lake (Renfrew County)
• Alberta Lake
• Albion Lake
• Alces Lake
• Alco Lake
• Alcock Lake
• Alcona Lake
• Alcorn Lake
• Alden Lake (Martel Township, Algoma District)
• Alden Lake (Corbriere Township, Algoma District)
• Alder Lake (Peterborough County)
• Alder Lake (Waterloo Region)
• Alder Lake (Kenora District)
• Alder Lake (Nipissing District)
• Aldon Lake
• Aldous Lake
• Aldred Lake
• Aldridge Lake
• Ale Lake
• Aleck Lake
• Alex Lake (Algoma District)
• Alex Lake (Kenora District)
• Alex Lake (Cochrane District)
• Alexander Lake (Nipissing District)
• Alexander Lake (Hughson Township, Algoma District)
• Alexander Lake (Kenora District)
• Alexander Lake (Cochrane District)
• Alexander Lake (Duncan Township, Algoma District)
• Alexander Lake (Sudbury District)
• Alexander Lake (Timiskaming District)
• Alexandra Lake
• Alexandre Lake
• Alexis Lake
• Alf Lake (Laughren Township, Algoma District)
• Alf Lake (Marjorie Township, Algoma District)
• Alfes Lake
• Alford Lake (Morah Lake, Kenora District)
• Alford Lake (Graves Township, Kenora District)
• Alfred Lake (Kenora District)
• Alfred Lake (Nipissing District)
• Alfred Lake (Thunder Bay District)
• Alfreda Lake
• Alga Lake
• Algocen Lake
• Algonquin Lake
• Alguire Lake
• Alice Lake (Kenora District)
• Alice Lake (Dickson Township, Nipissing District)
• Alice Lake (Ashley Township, Algoma District)
• Alice Lake (Greater Sudbury)
• Alice Lake (Timiskaming District)
• Alice Lake (Rainy River District)
• Alice Lake (Leclaire Township, Algoma District)
• Alice Lake (Gaudry Township, Algoma District)
• Alice Lake (Hartle Township, Nipissing District)
• Alice Lake (Sudbury District)
• Alike Lake
• Alister Lake
• Aljo Lake
• Alkenore Lake
• Allan Lake (Rowan Lake, Kenora District)
• Allan Lake (Temagami)
• Allan Lake (Clifford Township, Cochrane District)
• Allan Lake (Fitzgerald Township, Nipissing District)
• Allan Lake (Rainy River District)
• Allan Lake (Thunder Bay District)
• Allan Lake (Neely Township, Cochrane District)
• Allan Lake (Sioux Lookout)
• Allan Lake (McEachern Lake, Cochrane District)
• Allan Park Trout Pond
• Allard Lake (Olink Lake, Thunder Bay District)
• Allard Lake (Algoma District)
• Allard Lake (Seseganaga Lake, Thunder Bay District)
• Allbright Lake
• Allely Lake
• Allen Lake (Rainy River District)
• Allen Lake (Killarney)
• Allen Lake (Riggs Township, Algoma District)
• Allen Lake (Hughson Township, Algoma District)
• Allen Lake (Corbiere Township, Algoma District)
• Allen Lake (Haliburton County)
• Allen Lake (Blind River)
• Allen Lake (Hastings County)
• Allen Lake (Cunningham Township, Sudbury District)
• Allen Lakes
• Allenby Lake
• Allens Lakes
• Alligator Lake
• Allin Lake (Sudbury District)
• Allin Lake (Kenora District)
• Allison Lake
• Allumette Lake
• Alluring Lake
• Alm Lake
• Alma Lake (Thunder Bay District)
• Alma Lake (Timiskaming District)
• Alma Lake (Sudbury District)
• Alma Lake (Algoma District)
• Almo Lake
• Almon Lake
• Almonte Lake
• Alonghill Lake
• Alph Lake
• Alpha Lake (Athelstane Creek, Thunder Bay District)
• Alpha Lake (Algoma District)
• Alpha Lake (Dwight Lake, Thunder Bay District)
• Alpha Lake (Sudbury District)
• Alpine Lake (Algoma District)
• Alpine Lake (Cochrane District)
• Alport Lake
• Alsever Lake
• Alston Lake (Sudbury District)
• Alston Lake (Kenora District)
• Altar Lake
• Altimeter Lake
• Altitude Lake
• Alto Lake
• Alton Lake
• Alva Lake
• Alvin Lake
• Alwyn Lake

Lakes Am

This section includes lakes like Amanda Lake and Amethyst Lake. Many lakes in this group, such as Amik Lake, have names that come from Indigenous languages, often referring to animals like beavers. These lakes are important for local ecosystems.

• Amable Lakes
• Amaleen Lake
• Amanda Lake
• Ambrose Lake (Thunder Bay District)
• Ambrose Lake (Algoma District)
• Amelia Lake (Algoma District)
• Amelia Lake (Sudbury District)
• Ameliasburg Mill Pond
• American Cabin Lake
• Ames Lake
• Amesdale Lake
• Ameson Lake
• Amethyst Lake
• Amik Lake (Algoma District)
• Amik Lake (Rainy River District)
• Amik Lake (Cochrane District)
• Amik Lake (Max Creek, Thunder Bay District)
• Amik Lake (Kenora District)
• Amik Lake (Greenstone)
• Amikeus Lake
• Amikogaming Lake
• Amikougami Lake
• Amlin Lake
• Amoeba Lake
• Amos Lake (Thunder Bay District)
• Amos Lake (Sudbury District)
• Amos Lake (Timiskaming District)
• Amp Lake
• Amra Lake
• Amwri Lake
• Amy Lake (Sudbury District)
• Amy Lake (Algoma District)
• Amylou Lake
• Amyoa Lake

Lakes An

The 'An' section is another large group, featuring lakes like Anchor Lake and many different Anderson Lakes. It's common for several lakes to share the same name, often distinguished by the district or a nearby landmark. Anima Nipissing Lake is a unique name in this category.

• Ana Lake
• Anahareo Lake
• Anape Lake
• Anaway Lake
• Anchor Lake (Rainy River District)
• Anchor Lake (Kenora District)
• Anchor Lake (Cochrane District)
• Anchor Lake (Sudbury District)
• Ancliff Lake
• Anders Lake
• Andersen Lake
• Anderson Lake (Tolstoi Township, Cochrane District)
• Anderson Lake (Favell Lake, Cochrane District)
• Anderson Lake (Nipissing District)
• Anderson Lake (Sturgeon Lake, Thunder Bay District)
• Anderson Lake (Sudbury District)
• Anderson Lake (Wawa)
• Anderson Lake (Timiskaming District)
• Anderson Lake (Black River-Matheson)
• Anderson Lake (St. Ignace Island, Thunder Bay District)
• Anderson Lake (Kwetabohigan River, Cochrane District)
• Anderson Lake (Frost Township, Algoma District)
• Anderson Lake (Shuniah)
• Anderson Lake (Anderson Township, Algoma District)
• Anderson Lake (MacFie Township, Kenora District)
• Anderson Lake (Haliburton County)
• Anderson Lake (Anderson Creek, Kenora District)
• Anderson Lake (Lanark County)
• Anderson Lake (Grey County)
• Anderson Lake (Ontario–Manitoba)
• Anderson Pond
• Andre Lake
• Andress Lake
• Andrew Lake (Cochrane District)
• Andrew Lake (Lanark County)
• Andrews Lake (Colquhoun Township, Cochrane District)
• Andrews Lake (Sudbury District)
• Andrews Lake (Rainy River District)
• Andrews Lake (Kawartha Lakes)
• Andrews Lake (McCool Township, Cochrane District)
• Androsace Lake
• Andy Lake (Lang Lake, Kenora District)
• Andy Lake (Thunder Bay District)
• Andy Lake (Timiskaming District)
• Andy Lake (Sudbury District)
• Andy Lake (Sioux Narrows-Nestor Falls)
• Andy Thompson Lake
• Anelia Lake
• Anenimus Lake
• Aneroid Lake
• Angekum Lake
• Angel Lake (Stewart Creek, Thunder Bay District)
• Angel Lake (Muskoka District)
• Angel Lake (Tuuri Township, Thunder Bay District)
• Angela Lake
• Angelina Lake
• Anger Lake
• Angle Lake (Algoma District)
• Angle Lake (Thunder Bay District)
• Angle Lake (Sudbury District)
• Angler Lake
• Angling Lake
• Angood Lake
• Angus Lake (Nipissing District)
• Angus Lake (Sudbury District)
• Angus Lake (Algoma District)
• Anibel Lake
• Anima Nipissing Lake
• Animons Lake
• Animoosh Lake
• Anishinabi Lake
• Anita Lake (Algoma District)
• Anita Lake (Manitoba–Ontario)
• Anizev Lake
• Anjigame Lake
• Anjigami Lake
• Anjigaming Lake
• Ankcorn Lake
• Ankrom Lake
• Ann Lake (Redditt Township, Kenora District)
• Ann Lake (Sudbury District)
• Ann Lake (Algoma District)
• Ann Lake (Rice Township, Kenora District)
• Anna Lake (Ontario)
• Anna Lee Lake
• Annable Lake
• Annas Lake
• Anne Lake
• Annette Lake (Armistice Creek, Thunder Bay District)
• Annette Lake (Greenstone)
• Annex Lake (Sudbury District)
• Annex Lake (Algoma District)
• Annibal Lake
• Annie Lake (Halliday Township, Sudbury District)
• Annie Lake (Muskoka District)
• Annie Lake (Kenora District)
• Annie Lake (Killarney)
• Annie Lake (Algoma District)
• Annies Lake
• Annimwash Lake
• Annis Lake
• Anns Lake
• Another Lake
• Anrev Lake
• Ans Lake
• Ansell Lake
• Anselmi Lake
• Ansig Lake
• Anson Lake (Kenora District)
• Anson Lake (Haliburton County)
• Anstey Lake
• Anstruther Lake
• Ant Island Lake
• Ante Lake
• Anteater Lake
• Antenna Lake
• Anthemis Lake
• Anthony Lake
• Antler Lake (Brightsand River, Thunder Bay District)
• Antler Lake (Sudbury District)
• Antler Lake (St. Ignace Island, Thunder Bay District)
• Antler Lake (Renfrew County)
• Antler Lake (Lahontan Township, Thunder Bay District)
• Antler Lake (Meinzinger Township, Thunder Bay District)
• Antler Lake (Kenora District)
• Antoine Lake (Rainy River District)
• Antoine Lake (Algoma District)
• Antoine Lake (Frontenac County)
• Antoine Lake (Nipissing District)
• Anton Lake
• Antrim Lake
• Anubis Lake
• Anvil Lake (Timiskaming District)
• Anvil Lake (Algoma District)

Lakes Ap

This section includes lakes like Apex Lake and Apple Lake. Some names, like Apollo Lake, might spark curiosity about their origins. These lakes are found in various districts, including Parry Sound and Nipissing.

• Apex Lake (Timiskaming District)
• Apex Lake (Kenora District)
• Apisabigo Lake
• Apitu Lake
• Apollo Lake
• Appelle Lake
• Appelo Lake
• Appendix Lake
• Apple Lake (Shawanaga Township, Parry Sound District)
• Apple Lake (Nipissing District)
• Apple Lake (Whitestone)
• Appleby Lake
• Applesauce Lake
• Apps Lake
• April Lake
• Apsey Lake
• Apsley Lake
• Apukwa Lake
• Apungsisagen Lake

Lakes Aq–Ar

This final large section of 'A' lakes includes names like Aquarius Lake, Aragon Lake, and many different Armstrong Lakes. This group also features lakes with interesting names like Artery Lake and Artist Lake. These lakes contribute to Ontario's rich natural environment.

• Aquarius Lake
• Aquatuk Lake
• Aquiline Lake
• Ara Lake
• Arab Lake
• Arabella Lake
• Arabi Lake
• Aragon Lake
• Aralia Lake
• Aramis Lake
• Arbeesee Lake
• Arber Lake
• Arbour Lake
• Arbuckle Lake
• Arbutus Lake (Nipissing District)
• Arbutus Lake (Sudbury District)
• Arc Lake
• Arcand Lake
• Archambeau Lake
• Archer Lake
• Archibald Lake
• Archie Lake
• Archie's Lake
• Archies Lake
• Arcol Lake
• Arden Lake (Sudbury District)
• Arden Lake (Frontenac County)
• Ardis Lake
• Ardoch Lake
• Aremis Lake
• Arethusa Lake
• Argo Lake (Algoma District)
• Argo Lake (Rainy River District)
• Argo Lake (Cochrane District)
• Argon Lake
• Argosy Lake (Kenora District)
• Argosy Lake (Algoma District)
• Argue Lake (Nipissing District)
• Argue Lake (Parry Sound District)
• Arguing Lake
• Argyle Lake
• Arib Lake
• Aries Lake
• Ariott Lake
• Arkon Lake
• Arliss Lake
• Arlotte Lake
• Arm Lake (Comox Township, Sudbury District)
• Arm Lake (Thunder Bay District)
• Arm Lake (Foy Township, Sudbury District)
• Arm Lake (Kenora District)
• Armatta Lake
• Armer Lake
• Armes Lake
• Armin Lake
• Armishaw Lake
• Armistice Lake
• Armit Lake
• Armitage Lake (Algoma District)
• Armitage Lake (Kenora District)
• Armitage Lake (Cochrane District)
• Armour Lake (Algoma District)
• Armour Lake (Armour Creek, Kenora District)
• Armour Lake (Mackie Lake, Kenora District)
• Arms Lake (Rainy River District)
• Arms Lake (Thunder Bay District)
• Armstrong Lake (Algoma District)
• Armstrong Lake (Totten Township, Sudbury District)
• Armstrong Lake (Nickels Lake, Kenora District)
• Armstrong Lake (Penhorwood Township, Sudbury District)
• Armstrong Lake (Redditt Township, Kenora District)
• Armstrong Lake (Thunder Bay District)
• Armstrong Lake (Parry Sound District)
• Armstrongs Lake
• Army Lake (Kenora District)
• Army Lake (Algoma District)
• Arneil Lake
• Arneson Lake
• Arnold Lake (Rainy River District)
• Arnold Lake (Sudbury District)
• Arnot Lake
• Arnott Lake (Parry Sound District)
• Arnott Lake (Algoma District)
• Arnott Lake (Lennox and Addington County)
• Arnott Lake (Thunder Bay District)
• Arnston Lake
• Aronson Lake
• Arp Lake
• Arpin Lake
• Arps Lake
• Arran Lake
• Arras Lake
• Arrell Lake
• Arril Lake
• Arrow Lake (Cochrane District)
• Arrow Lake (Papineau-Cameron)
• Arrow Lake (Arrow River, Thunder Bay District)
• Arrow Lake (Pentland Township, Nipissing District)
• Arrow Lake (Wapikaimaski Lake, Thunder Bay District)
• Arrow Lake (Kenora District)
• Arrowhead Lake (Muskoka District)
• Arrowhead Lake (Algoma District)
• Arrowhead Lake (Thunder Bay District)
• Arrowhead Lake (Kenora District)
• Arrowroot Lake
• Arsenic Lake
• Art Lake (Rawn Lake, Rainy River District)
• Art Lake (Haliburton County)
• Art Lake (Atikokan)
• Artery Lake
• Arthur Lake (Cochrane District)
• Arthur Lake (Parry Sound District)
• Arthur Lake (Algoma District)
• Arthur Lake (Timiskaming District)
• Artie Lake
• Artist Lake
• Arundel Lake
• Arva Lake
• Aryhart Lake

Lakes As

This section includes lakes like Ash Lake and Asheigamo Lake. Many of these lakes are named after trees or other natural features found nearby. They are important for local wildlife and offer quiet natural spaces.

• Ascalon Lake
• Ash Lake (Marsh Township, Sudbury District)
• Ash Lake (Kenora District)
• Ash Lake (Rainy River District)
• Ash Lake (Yeo Township, Sudbury District)
• Ashball Lake
• Ashburn Lake
• Ashby Lake
• Ashby White Lake
• Asheigamo Lake
• Ashigami Lake
• Ashkewe Lake
• Ashley Lake
• Ashmore Lake (Priske Township, Thunder Bay District)
• Ashmore Lake (Greenstone)
• Ashton Lake
• Asinn Lake
• Asio Lake
• Asipoquobah Lake
• Askwith Lake
• Asp Lake
• Assapan Lake
• Asselin Lake
• Assin Lake (Pipestone River, Kenora District)
• Assin Lake (Broderick Township, Kenora District)
• Assinamish Lake
• Assinkepatakiso Lake
• Aster Lake
• Aster Pond
• Aston Lake
• Astonish Lake
• Astrolabe Lake
• Astrop Lake

Lakes At

This group features lakes such as Atik Lake and the very large Attawapiskat Lake. Attawapiskat Lake is one of the biggest lakes in Ontario and is a vital part of the province's northern river systems. Other lakes like Atomic Lake have interesting, modern-sounding names.

• Atekepi Lake
• Athelstane Lake
• Athlone Lake
• Athos Lake
• Atigogama Lake
• Atik Lake (Kenora District)
• Atik Lake (Thunder Bay District)
• Atik Lake (Algoma District)
• Atikameg Lake (Atikameg Township, Thunder Bay District)
• Atikameg Lake (Kenora District)
• Atikameg Lake (Danford Township, Thunder Bay District)
• Atikamik Lake
• Atikasibi Lake
• Atikokiwam Lake
• Atikomik Lake
• Atikwa Lake
• Atim Lake
• Atkins Lake (Muskoka District)
• Atkins Lake (Leeds and Grenville United Counties)
• Atkins Lake (Rainy River District)
• Atkinson Lake
• Atlantic Lake
• Atom Lake
• Atomic Lake
• Attach Lake
• Attack Lake
• Attawapiskat Lake
• Attraction Lake
• Attwood Lake
• Atwood Lake

Lakes Au

The 'Au' section includes lakes like Aubrey Lake and Audrey Lake. These lakes are found in various parts of Ontario, from Haliburton County to Cochrane District. Many are named after people or have unique origins.

• Aubin Lake
• Aubrey Lake (Aubrey Township, Kenora District)
• Aubrey Lake (Algoma District)
• Aubrey Lake (Haliburton County)
• Aubrey Lake (Benedickson Township, Kenora District)
• Auden Lake
• Audette Lake
• Audrea Lake
• Audrey Lake (Fauquier-Strickland)
• Audrey Lake (Algoma District)
• Audrey Lake (Wacousta Township, Cochrane District)
• Auger Lake (Haliburton County)
• Auger Lake (Cochrane District)
• Auger Lake (Thunder Bay District)
• Augite Lake
• August Lake (Thunder Bay District)
• August Lake (Kenora District)
• Augusta Lake (Sudbury District)
• Augusta Lake (Thunder Bay District)
• Auld Lake (Sudbury District)
• Auld Lake (Timiskaming District)
• Ault Lake
• Aumond Lake
• Aura Lee Lake
• Aurel Lake
• Aurora Lake (Timiskaming District)
• Aurora Lake (Nipissing District)
• Austen Lake
• Austin Lake (Kenora)
• Austin Lake (Austin Creek, Kenora District)
• Austin Lake (Kehoe Township, Algoma District)
• Austin Lake (Corboy Township, Algoma District)
• Austin Lake (Sudbury District)
• Austin Lake (Haliburton County)
• Austins Lake

Lakes Av–Az

Finally, the 'Av' to 'Az' section includes lakes such as Avery Lake, Avon Lake, and Azure Lake. These lakes, like all the others, are important parts of Ontario's natural environment, supporting diverse wildlife and offering beautiful landscapes. Aylen Lake is another well-known lake in this category.

• Ava Lake
• Avery Lake (Kenora District)
• Avery Lake (Haliburton County)
• Avery Lake (Sudbury District)
• Avery's Lake
• Avey Lake
• Avis Lake (Parry Sound District)
• Avis Lake (Kenora District)
• Avon Lake
• Awad Lake
• Awameg Lake
• Awkward Lake
• Awl Lake
• Awning Lake
• Axe Lake (McEwing Township, Algoma District)
• Axe Lake (Renfrew County)
• Axe Lake (Redditt Township, Kenora District)
• Axe Lake (Thunder Bay District)
• Axe Lake (Parry Sound District)
• Axe Lake (Sudbury District)
• Axe Lake (Gould Township, Algoma District)
• Axe Lake (Severn River, Kenora District)
• Axle Lake
• Axton Lake
• Ayah Lake
• Aylen Lake
• Aylsworth Lake
• A.Y. Jackson Lake
• Ayotte Lake
• Azadi Lake
• Azen Lake
• Azure Lake (Sudbury District)
• Azure Lake (Kenora District)