List of islands of Ontario

• Black Island • Kenosha Island • Mistaken Islands == Albany River ==

• Albany Island • Big Island • Blackbear Island • Byrd Island • Cheepay Island • Comb Island • Fafard Island • Faries Island • Hat Island • Hill Island • Kagami Island • Kakago Island • Linklater Island • Norran Island • Oldman Island • Peacock Island • Robins Island • Sand Cherry Island • Stonebasket Island • Tanti Island • Willow Island ==Balsam Lake==

• Grand Island ==Big Gull Lake - West End - Little Gull Lake==

• Belle Island • Carlson Island • Snake Island • Chimney Island • Goat Island • Race Island • Rifle Island ==Big Gull Lake - East End==

• Beacon Island • Bear Boundary Island • Big Boundary Island • Boundary Island • Brothers Island • Green Island • Johns Island • Long Island • Marshall Island • Pogue's Island • Redlac Island • Sister Island • Three Sister's Island • Viking Point Island • Whalen Island • Whispering Pines Island ==Big Rideau Lake==

• Big Island • Exe Island • Grindstone Island • Land's End Island • Long Island • Oak Island • Tar Island • Turnip Island • Tower Island ==Buckhorn Lake==

• Emerald Isle • Fox Island • Nichol Island ==Cataraqui River==

• Isle of Man ==Charleston Lake==

• Crosier Island ==Lake Chemong==

• Big Island ==Lake Couchiching==

• Chiefs Island ==Cranberry Lake==

• Beaupre Island ==Detroit River==

• Bois Blanc Island • Fighting Island • Peche Island • Turkey Island ==Lake Erie==

• Big Chicken Island • Chick Island • East Sister Island • Hen Island • Middle Island • Mohawk Island • North Harbour Island • Pelee Island • Ryerson's island ==Fairbank Lake==

• Fairbank Island ==French River==

• Cantin Island • Eighteen Mile Island • Fourmile Island • Okikendawt Island • Potvin Island ==Gloucester Pool==

• Broadview Island • Deer Island • Lauley Island ==Grand River==

• Argyle Island • Beament Island • Burke Island • Chantry Island • Cigar Island • Cockburn Island • Cove Island • Cranberry Island • Devil Island • Doctor Island • Great Duck Island • Evelyn Island • Fitzwilliam Island • Garden Island • Ghegheto Island • Greene Island • Gull Rock • Herschel Island • Indian Island • Jack Island • Kitchener Island • Kolfage Island • Little Kitchener Island • Lonely Island • Lucas Island • Lyal Island • Main Station Island • Manitoulin Island • McCallum Island • Middle Duck Island • North Otter Island • Oar Island • Outer Duck Island • Perseverance Island • Peters Island • Pine Island • Russell Island • Smokehouse Island • South Otter Island • St. Joseph Island • Stevens Island • Thibault Island • Turning Island • Twin Island • Tyson Island • Vimy Island • Western Duck Island • Whiskey Island • Whitefish Island • Yeo Island ===Georgian Bay=== • Aberdeen Island • Badgeley Island • Barrier Island • Bateau Island • Bears Rump Island • Beausoleil Island • Beckwith Island • Big Burnt Island • Bone Island • Bustard Islands • Centre Island • Champlain Island • Champlain Monument Island • Christian Island • Churchill Islands • Club Island • Cockburn Island • Crescent Island • Dead Island • Echo Island • Elizabeth Island • Elmtree Island • Foster Island • Fox Island • Franklin Island • French River Island • Fryingpan Island • Flowerpot Island • George Island • Giants Tomb Island • Governor Island • Gray Island • Griffith Island • Halfmoon Island • Hatch Island • Hay Island • Heisey Islands • Hen and Chicken Island • Hertzberg Island • Hope Island • Huckleberry Island • Kelvin Island • King's Island • Kokanongwi Island • Lonely Island • Lookout Island • Loon Island • Maxwell Island • McCoy Islands • McLaren Island • McQuade Island • Methodist Island • Mink Islands • Minnicognashene Island • Moon Island • Mowat Island • North Limestone Island • North Watcher Island • Northwest Burnt Island • Nottawasaga Island • Oak Islands • Oak Island • Otter Island • Parry Island • Pine Island • Pittsburg Island • Pleasant Island • Portage Island • Rabbit Island • Rose Island • Sandy Island • Sans Souci Island • Sharp Island • Shawanaga Island • Smooth Island • Snake Islands • South Limestone Island • South Watcher Island • Tanvat Island • Thirty Thousand Islands • Tonches Island • Turning Island • Umbrella Islands • Wall Island • Western Islands • White Cloud Island • Wreck Island ===North Channel=== • Amedroz Island • Barren Island • Barrie Island • Bateman Island • Batture Island • Bears Back Island • Beauty Island • Beaver Island • Bedford Island • Belleau Island • Bourinot Island • Carpmael Island • Crawford Island • Crescent Island • Darch Island • Eastern Island • East Rous Island • Egg Island • Elm Island • Fanny Island • Five Islands • Galt Island • Gertrude Islands • Goat Island • Gooseberry Island • Great La Cloche Island • Griffith Island • Henry Island • Heywood Island • High Island • Hog Island • Little La Cloche Island • Louisa Island • Matheson Island • McGregor Island • McTavish Island • Meredith Island • Ned Island • Partridge Island • Sagamok Island • Schreiber Island • St. Joseph Island • St. Just Island • Strawberry Island • Vidal Island • Wabos Island • West Mary Island • West Rous Island ===Parry Sound=== • Elizabeth Island • Huckleberry Island • Mowat Island ====Hay Bay==== • Clark Island ==Lake Joseph==

• Cameron Island • Chief's Island • Yoho Island • Gitchie Island ==Lake Kagawong==

• Bass Island • Gull Island • Kakawaie Island • Little Island ==Kawagama Lake==