List of lakes of Ontario: F

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

Fa

 * Faber Lake
 * Factor Lake (Rainy River District)
 * Factor Lake (Algoma District)
 * Fade Lake
 * Fagan Lake
 * Fagan Ponds
 * Fahey Lake
 * Fair Lake (Parry Sound District)
 * Fair Lake (Peterborough County)
 * Fair Lake (Rainy River District)
 * Fairbairn Lake (Thunder Bay District)
 * Fairbairn Lake (Sudbury District)
 * Fairbank Lake
 * Fairchild Lake
 * Faircloth Lake
 * Fairholme Lake
 * Fairloch Lake
 * Fairplay Lake
 * Fairview Lake
 * Fairy Lake (Georgian Bay)
 * Fairy Lake (Nipissing District)
 * Fairy Lake (Algoma District)
 * Fairy Lake (Huntsville)
 * Fairy Lake (Peterborough County)
 * Fairy Lake (Halton Region)
 * Faith Lake
 * Fakeloo Lake
 * Falan Lake
 * Falby Lake
 * Falcon Gold Lake
 * Falcon Lake (Nipissing District)
 * Falcon Lake (Thunder Bay District)
 * Fall Lake (Nipissing District)
 * Fall Lake (GTP Block 4 Township, Thunder Bay District)
 * Fall Lake (Dorion)
 * Fall Lake (Kenora District)
 * Fall-In Lake
 * Fallduck Lakes
 * Fallen Lake
 * Fallingsnow Lake
 * Fallis Pond
 * Falloon Lake
 * Falls Lake (Algoma District)
 * Falls Lake (Manitoulin District)
 * Fallscamp Lake
 * False Lake
 * Falsetto Lake
 * Fan Lake (Thunder Bay District)
 * Fan Lake (Timiskaming District)
 * Fanny Lake
 * Fanshawe Lake
 * Far Lake (Sudbury District)
 * Far Lake (Thunder Bay District)
 * Faraday Lake
 * Farah Lake
 * Farden Lake
 * Farewell Lake
 * Fargo Lake
 * Faries Lake
 * Faris Lake
 * Farlain Lake
 * Farlane Lake
 * Farlette Lake
 * Farley Lake
 * Farlinger Lake
 * Farm Bay Lake
 * Farm Lake (Sudbury District)
 * Farm Lake (Farm Creek, Kenora District)
 * Farm Lake (Greater Sudbury)
 * Farm Lake (Nipissing District)
 * Farm Lake (Lac Seul, Kenora District)
 * Farmer Lake (Sudbury District)
 * Farmer Lake (Kenora District)
 * Farmer Lake (Thunder Bay District)
 * Farncomb Lake
 * Farner Lake
 * Farnes Lake
 * Farquhar Lake (Haliburton County)
 * Farquhar Lake (Algoma District)
 * Farrel Lake (Haliburton County)
 * Farrel Lake (Algoma District)
 * Farrell Lake
 * Farren Lake
 * Farrer Lake (Thunder Bay District)
 * Farrer Lake (Kenora District)
 * Farrington Lake
 * Farrow Lake
 * Fassett Lake
 * Fat Lake (Kenora District)
 * Fat Lake (Nipissing District)
 * Fatima Lake
 * Fatty Lake
 * Faubert Lake
 * Faulk Lake
 * Faulkenham Lake
 * Faulkner Lake
 * Fault Lake (Timiskaming District)
 * Fault Lake (Sudbury District)
 * Fault Lake (Kenora District)
 * Faultside Lake
 * Fauquier Lake (Nipissing District)
 * Fauquier Lake (Rainy River District)
 * Favel Lake
 * Favell Lake (Cochrane District)
 * Favell Lake (Kenora District)
 * Favot Lake
 * Favourable Lake
 * Fawcett Lake (Sudbury District)
 * Fawcett Lake (Pelican Creek, Kenora District)
 * Fawcett Lake (Cat River, Kenora District)
 * Fawcett Lake Chain
 * Fawn Lake (Thunder Bay District)
 * Fawn Lake (Sioux Narrows-Nestor Falls)
 * Fawn Lake (Macaulay Township, Bracebridge)
 * Fawn Lake (Fawn River, Kenora District)
 * Fawn Lake (Nipissing District)
 * Fawn Lake (Draper Township, Bracebridge)
 * Fawn Lake (Parry Sound District)
 * Fawn Lake (Miller Township, North Frontenac)
 * Fawn Lake (Clarendon Township, North Frontenac)
 * Fawthrop Lake
 * Faya Lake

Fe

 * Feagan Lake
 * Fear Lake
 * Fearless Lake
 * Feather Lake
 * Feaver Lake
 * Fecteau Lake
 * Fee Lake
 * Feely Lake
 * Feeny Lake
 * Feist Lake
 * Felcite Lake
 * Feldman Lake (Kenora District)
 * Feldman Lake (Cochrane District)
 * Feldman Lake (Timiskaming District)
 * Feline Lake
 * Felix Lake (Thunder Bay District)
 * Felix Lake (Kenora District)
 * Felix Lake (Potier Township, Sudbury District)
 * Felix Lake (Marshay Township, Sudbury District)
 * Felsen Lake
 * Felsia Lake
 * Felst Lake
 * Felt Lake
 * Felto Lake
 * Fen Lake (Nipissing District)
 * Fen Lake (Sudbury District)
 * Fen Lake (Kenora District)
 * Fen Lake (Thunder Bay District)
 * Fenn Lake
 * Fennah Lake
 * Fennell Lake
 * Fenson Lake
 * Fenton Lake (Algoma District)
 * Fenton Lake (Muskoka District)
 * Ferdinand Lake
 * Fergus Lake (Sudbury District)
 * Fergus Lake (Cochrane District)
 * Ferguson Lake (Thunder Bay District)
 * Ferguson Lake (Stewart Township, Nipissing District)
 * Ferguson Lake (Timiskaming District)
 * Ferguson Lake (Kenora District)
 * Ferguson Lake (Rainy River District)
 * Ferguson Lake (Sudbury District)
 * Ferguson Lake (Lanark County)
 * Ferguson Lake (Temagami)
 * Fergusons Lake
 * Fergusons Mud Lake
 * Ferland's Lake
 * Fermoy Lake
 * Fern Lake (Whitman Township, Algoma District)
 * Fern Lake (Quill Township, Algoma District)
 * Fern Lake (Nipissing District)
 * Fern Lake (Rainy River District)
 * Fernlund Lake
 * Fernow Lake
 * Ferns Lake
 * Ferrier Lake
 * Ferrim Lake
 * Ferris Lake
 * Festuca Lake
 * Fetter Lake

Fi

 * Fib Lake
 * Ficht Lake
 * Fiddler Lake
 * Fidler Lake
 * Fido Lake
 * Fields Lake
 * Fife Lake (Thunder Bay District)
 * Fife Lake (Sudbury District)
 * Fife Lake (Algoma District)
 * Fifteen Lake
 * Fifteen Mile Lake (Parry Sound District)
 * Fifteen Mile Lake (Muskoka District)
 * Fifteen Mile Pond
 * Fifth Depot Lake
 * Fifth Lake
 * Fifty Dollar Lake
 * Fifty Nine Lake
 * Fifty Two Lake
 * Fifty-five Mile Lake
 * Fillet Lake
 * Fillion Lake
 * Fills Lake
 * Film Lake
 * Filter Lake
 * Fin Lake (White Township, Nipissing District)
 * Fin Lake (Thunder Bay District)
 * Fin Lake (Canisbay Township, Nipissing District)
 * Final Lake (Kenora District)
 * Final Lake (Thunder Bay District)
 * Finch Lake (Nipissing District)
 * Finch Lake (Lennox and Addington County)
 * Findlay Lake (Cochrane District)
 * Findlay Lake (Kenora District)
 * Findlay Lake (Renfrew County)
 * Fine Lake
 * Finger Lake (Cochrane District)
 * Finger Lake (Severn River, Kenora District)
 * Finger Lake (Corbriere Township, Algoma District)
 * Finger Lake (Ferdinand Lake, Kenora District)
 * Finger Lake (Parry Sound District)
 * Finger Lake (Nipissing District)
 * Finger Lake (Tweedle Township, Algoma District)
 * Finger Lake (Rainy River District)
 * Finger Lake (Thunder Bay District)
 * Finish Lake
 * Fink Lake
 * Finlay Lake
 * Finlayson Lake (Nipissing District)
 * Finlayson Lake (Kenora District)
 * Finlayson Lake (Rainy River District)
 * Finlayson Lake (Thunder Bay District)
 * Finn Lake (Simons Township, Algoma District)
 * Finn Lake (Aweres Township, Algoma District)
 * Finn Lake (McMeekin Township, Kenora District)
 * Finn Lake (McCauley River, Kenora District)
 * Finn Lake (Nadjiwon Township, Algoma District)
 * Finnegan Lake
 * Finney Lake
 * Finton Lake
 * Fir Lake (Kenora District)
 * Fir Lake (Algoma District)
 * Fire Hill Lake
 * Fire Island Lake
 * Fire Lake (Aberdeen Creek, Thunder Bay District)
 * Fire Lake (Rainy River District)
 * Fire Lake (Kenora District)
 * Fire Lake (Sudbury District)
 * Fire Lake (Algoma District)
 * Fire Lake (Weikwabinonaw River, Thunder Bay District)
 * Firefly Lake
 * Fireline Lake
 * Firetrail Lake
 * First Depot Lake
 * First Egan Lake
 * First Government Lake
 * First James Lake
 * First Justin Lake
 * First Kargus Lake
 * First Lake (Gravel River, Thunder Bay District)
 * First Lake (Hall Township, Sudbury District)
 * First Lake (Western Peninsula, Kenora District)
 * First Lake (Lone Isle Creek, Thunder Bay District)
 * First Lake (Cavana Township, Sudbury District)
 * First Lake (Elliot Lake)
 * First Lake (Seguin)
 * First Lake (Labelle Township, Algoma District)
 * First Lake (Selkirk Township, Sudbury District)
 * First Lake (Cromlech Township, Algoma District)
 * First Lake (Big Sand Lake, Kenora District)
 * First Lake (Nipissing)
 * First Loon Lake
 * First Twin Pond
 * Firth Lake
 * Fischer Lake
 * Fish Hawk Lake (Sudbury District)
 * Fish Hawk Lake (Kenora District)
 * Fish Hook Lake
 * Fish Lake (Parry Sound District)
 * Fish Lake (Kenora District)
 * Fish Lake (Prince Edward County)
 * Fish Lake (Algoma District)
 * Fish Lake (Nairn and Hyman)
 * Fish Lake (Frontenac County)
 * Fish Lake (Lyell Township, South Algonquin)
 * Fish Lake (Killarney)
 * Fish Lake (Dickens Township, South Algonquin)
 * Fishbasket Lake
 * Fishbox Lake
 * Fisher Lake (Kashaweogama Lake, Thunder Bay District)
 * Fisher Lake (Populus Lake, Kenora District)
 * Fisher Lake (Wilkie Lake, Kenora District)
 * Fisher Lake (Haliburton County)
 * Fisher Lake (McNamara Township, Sudbury District)
 * Fisher Lake (Golden Gate Lake, Thunder Bay District)
 * Fisher Lake (Redsky Township, Algoma District)
 * Fisher Lake (Sweeny Township, Sudbury District)
 * Fisher Lake (Timiskaming District)
 * Fisher Lake (McConnell Township, Sudbury District)
 * Fisher Lake (Cochrane District)
 * Fisher Lake (Kawartha Lakes)
 * Fisher Lake (Rainy River District)
 * Fisher Lake (Arnott Township, Algoma District)
 * Fisher Lake (Nipissing District)
 * Fisher's Pond
 * Fishery Lake
 * Fishing Lake
 * Fishnet Lake
 * Fishog Lake
 * Fishtail Lake
 * Fishtrap Lake (Attawapiskat River, Kenora District)
 * Fishtrap Lake (Fishtrap Creek, Kenora District)
 * Fission Lake
 * Fitchie Lake
 * Fitter Lake
 * Fitz Lake
 * Fitzell Lake
 * Fitzgerald Lake
 * Fitzgibbon Lake
 * Fitzpatrick Lake (Escape Lake, Thunder Bay District)
 * Fitzpatrick Lake (Kenogamisis River, Thunder Bay District)
 * Fitzpatrick Lake (Algoma District)
 * Five Cross Lake
 * Five Mile Lake (Sudbury District)
 * Five Mile Lake (Rainy River District)
 * Five Minute Lake
 * Five Pines Lake
 * Five Star Lake
 * Fiveash Lake
 * Fizell Lake

Fl

 * Flack Lake
 * Flag Lake (Timiskaming District)
 * Flag Lake (Elliot Lake)
 * Flag Lake (Worton Township, Algoma District)
 * Flag Lake (Thunder Bay District)
 * Flagg Lake
 * Flail Lake
 * Flake Lake
 * Flambeau Lake
 * Flame Lake (Sudbury District)
 * Flame Lake (Kenora District)
 * Flamingo Lake (Algoma District)
 * Flamingo Lake (Cochrane District)
 * Flanagan Lake
 * Flanders Lake
 * Flange Lake
 * Flannery Lake
 * Flapjack Lake (Kenora District)
 * Flapjack Lake (Nipissing District)
 * Flash Lake
 * Flat Iron Lake
 * Flat Lake (Timiskaming District)
 * Flat Lake (Kenora District)
 * Flat Lake (Thunder Bay District)
 * Flat Lake (Algoma District)
 * Flatrock Lake (Thunder Bay District)
 * Flatrock Lake (Muskoka District)
 * Flats Lake
 * Flatstone Lake
 * Flatt Lake
 * Flavelle Lake
 * Flavour Lake
 * Flaxman Lake
 * Fleck Lake
 * Fleet Lake
 * Flegg Lake
 * Fleming Lake (Thunder Bay District)
 * Fleming Lake (Cochrane District)
 * Fleming Lake (Lake of Bays)
 * Fleming Lake (Huntsville)
 * Flemings Lake
 * Flesch Lake
 * Flesher Lake
 * Flesherton Community Pond
 * Flet Lake
 * Fletcher Lake (Haliburton County)
 * Fletcher Lake (Thunder Bay District)
 * Fletcher Lake (Kenora District)
 * Fletcher Lake (Algoma District)
 * Fletchers Lake
 * Flett Lake
 * Flew Lake
 * Flex Lake
 * Flicker Lake (Sudbury District)
 * Flicker Lake (Thunder Bay District)
 * Flindt Lake
 * Flint Lake (Kenora District)
 * Flint Lake (Thunder Bay District)
 * Flint Lake (Algoma District)
 * Float Lake
 * Floating Heart Lake (Nipissing District)
 * Floating Heart Lake (Thunder Bay District)
 * Floating Island Lake
 * Floating Rock Lake
 * Flood Lake (Cochrane District)
 * Flood Lake (Terrace Bay)
 * Flood Lake (Flood Township, Thunder Bay District)
 * Flood Lake (Rainy River District)
 * Floodwood Lake
 * Flora Lake (Rainy River District)
 * Flora Lake (Kenora District)
 * Floranna Lake
 * Florence Lake (Haliburton County)
 * Florence Lake (Kenora District)
 * Florence Lake (Thunder Bay District)
 * Florence Lake (Nipissing District)
 * Florence Lake (Parker Township, Sudbury District)
 * Florence Lake (Cochrane District)
 * Florence Lake (Mongowin Township, Sudbury District)
 * Florence Lake (De Gaulle Township, Sudbury District)
 * Florence Lake (Huotari Township, Algoma District)
 * Florence Lake (Grossman Township, Algoma District)
 * Florin Lake (Cochrane District)
 * Florin Lake (Kenora District)
 * Flory Lake
 * Floss Lake
 * Flossie Lake (Kenora District)
 * Flossie Lake (Muskoka District)
 * Flossie Lake (Thunder Bay District)
 * Flounder Lake
 * Flower Lake (Thunder Bay District)
 * Flower Lake (Kenora District)
 * Flower Round Lake
 * Floyd Lake
 * Fluke Lake
 * Fluker Lake
 * Flundra Lake
 * Flute Lake
 * Fly Lake (Muskoka District)
 * Fly Lake (Kenora District)
 * Fly Lake (Cochrane District)
 * Fly Lake (Nipissing District)
 * Fly Lake (McLeod Township, Sudbury District)
 * Fly Lake (Thunder Bay District)
 * Fly Lake (Whitefish Lake 6)
 * Fly Lake (Algoma District)
 * Flying Fisher Lake
 * Flying Goose Lake
 * Flying Loon Lake
 * Flyline Lake
 * Flynn Lake
 * Flynne Lake

Fo

 * Foam Lake (East Jackpine River, Thunder Bay District)
 * Foam Lake (Algoma District)
 * Foam Lake (Furlonge Township, Thunder Bay District)
 * Foch Lake
 * Fodder Lake
 * Fog Lake (Rainy River District)
 * Fog Lake (Fog Creek, Thunder Bay District)
 * Fog Lake (Kenora District)
 * Fog Lake (Cockeram Township, Thunder Bay District)
 * Fog Lake (Manion Township, Thunder Bay District)
 * Fog Lake (Nipissing District)
 * Fogal Lake
 * Fogerty Lake
 * Fogg Lake
 * Foisey Lake
 * Fold Lake
 * Foley Lake (Ball Township, Kenora District)
 * Foley Lake (Yet Creek, Kenora District)
 * Foley Lake (Renfrew County)
 * Foley Lake (Nipissing District)
 * Foley Lake (Sudbury District)
 * Folkard Lake
 * Folly Lake
 * Folsom Lake
 * Folson Lake
 * Fool Lake
 * Foolem Lake
 * Fools Lake
 * Foot Lake (Behmann Township, Algoma District)
 * Foot Lake (Sudbury District)
 * Foot Lake (Thunder Bay District)
 * Foot Lake (Timiskaming District)
 * Foot Lake (Huron Shores)
 * Foot Lake (Kenora District)
 * Foot Lake (Cochrane District)
 * Foote Lake (Nipissing District)
 * Foote Lake (Parry Sound District)
 * Foote Lake (Thunder Bay District)
 * Footprint Lake (Rainy River District)
 * Footprint Lake (Algoma District)
 * Footprint Lake (Cochrane District)
 * Footprint Lakes
 * Forbes Lake (Nipissing District)
 * Forbes Lake (Cochrane District)
 * Forbes Lake (Parry Sound District)
 * Forbes Lake (Thunder Bay District)
 * Forbes Lake (Kenora District)
 * Ford Lake (Ontario–Manitoba)
 * Ford Lake (Parry Sound District)
 * Ford Lake (Cochrane District)
 * Ford Lake (Sudbury District)
 * Ford Lake (Algoma District)
 * Ford Lake (Osaquan Township, Kenora District)
 * Forde Lake
 * Fore Lake
 * Forearm Lake
 * Foref Lake
 * Foreman Lake (Kenora District)
 * Foreman Lake (Muskoka District)
 * Foreshew Lake
 * Forest Lake (Smellie Township, Kenora District)
 * Forest Lake (Wind Creek, Kenora District)
 * Forest Lake (Sudbury District)
 * Forest Lake (Parry Sound District)
 * Forestell Lake
 * Forester Lake (Kenora District)
 * Forester Lake (Algoma District)
 * Forgan Lake
 * Forge Lake (Thunder Bay District)
 * Forge Lake (Algoma District)
 * Forget Lake (Thunder Bay District)
 * Forget Lake (Parry Sound District)
 * Forgotten Lake
 * Foris Lake
 * Fork Lake (Timiskaming District)
 * Fork Lake (Kenora District)
 * Fork Lake (Hastings County)
 * Fork Lake (Sudbury District)
 * Fork Lake (Sproule Township, Nipissing District)
 * Fork Lake (Boyd Township, Nipissing District)
 * Fork Lake (Algoma District)
 * Fork Lake (Thunder Bay District)
 * Forks Lake
 * Forlise Lake
 * Forlorn Lake
 * Forrest Lake
 * Forrester Lake
 * Forron Lake
 * Forsberg Lake
 * Forsyth Lake (Timiskaming District)
 * Forsyth Lake (Thunder Bay District)
 * Forsythe Lake
 * Fortes Lake
 * Fortescue Lake
 * Forth Lake
 * Fortune Lake (Frontenac County)
 * Fortune Lake (Timiskaming District)
 * Fortune Lake (Thunder Bay District)
 * Fortune Lake (Kenora District)
 * Fortune Lake (Sudbury District)
 * Fortune Lake (Cochrane District)
 * Forty Four Lake
 * Forty Mile Lake
 * Foss Lake
 * Foster Lake (Sudbury District)
 * Foster Lake (Greater Sudbury)
 * Foster Lake (Thunder Bay District)
 * Foster Lake (Hastings County)
 * Foster Lake (Kenora District)
 * Foster Lake (Algoma District)
 * Foster Ponds
 * Fosters Lake
 * Fotheringham Lake
 * Found Lake (Thunder Bay District)
 * Found Lake (Kenora District)
 * Found Lake (Nipissing District)
 * Found Lake (Algoma District)
 * Founders Lake
 * Fountain Lake
 * Four Corner Lake
 * Four Island Lake
 * Four Line Lake
 * Four Mile Lake (Kawartha Lakes)
 * Four Mile Lake (Kenora District)
 * Four Mile Lake (Sudbury District)
 * Four Mile Lake (Nipissing District)
 * Four Mile Pond
 * Four Wells Lake
 * Fourbass Lake
 * Fourbay Lake (Fourbay Creek, Thunder Bay District)
 * Fourbay Lake (Sturgeon River, Thunder Bay District)
 * Fourclaim Lake
 * Fourcorner Lake
 * Fournier Lake (Rainy River District)
 * Fournier Lake (Cochrane District)
 * Fournier Lake (Algoma District)
 * Fournier Lake (Thunder Bay District)
 * Fournier Lake (Nipissing District)
 * Fournier Lake (Timiskaming District)
 * Fourstar Lake
 * Fourteen Island Lake
 * Fourteen Lake
 * Fourth Depot Lake
 * Fourth Lake (Thunder Bay District)
 * Fourth Lake (Kenora District)
 * Fourth Lake (Sudbury District)
 * Fowler Lake (Thunder Bay District)
 * Fowler Lake (Cochrane District)
 * Fowler Lake (Muskoka District)
 * Fowlers Pond
 * Fowlkes Lakes
 * Fox Lagoon
 * Fox Lake (Sword Creek, Kenora District)
 * Fox Lake (Little Jet Lake, Kenora District)
 * Fox Lake (Frontenac County)
 * Fox Lake (Venturi Township, Sudbury District)
 * Fox Lake (Lennox and Addington County)
 * Fox Lake (Matachewan)
 * Fox Lake (Wilson Township, Parry Sound District)
 * Fox Lake (Fox River, Thunder Bay District)
 * Fox Lake (Kearney)
 * Fox Lake (Press Lake, Kenora District)
 * Fox Lake (Fox Creek, Thunder Bay District)
 * Fox Lake (Margaret Township, Sudbury District)
 * Fox Lake (Renfrew County)
 * Fox Lake (Boston Township, Timiskaming District)
 * Fox Lake (Cochrane District)
 * Fox Lake (Muskoka District)
 * Fox Lake (Ignace)
 * Fox Lake (Lake of the Woods, Kenora District)
 * Fox Lake (Algoma District)
 * Fox Lake (Goschen Township, Killarney)
 * Fox Lake (Fox Creek, Killarney)
 * Fox Lake (Mongowin Township, Sudbury District)
 * Fox Lake (Whitestone)
 * Foxear Lake
 * Foxhead Lake (Thunder Bay District)
 * Foxhead Lake (Kenora District)
 * Foxhead Lake (Timiskaming District)
 * Foxpaw Lake
 * Foxtail Lake
 * Foxtrap Lake
 * Foxxe Lake
 * Foy Lake (Cochrane District)
 * Foy Lake (Nipissing District)
 * Foy Lake (Foy Township, Sudbury District)
 * Foy Lake (Semple Township, Sudbury District)
 * Foyross Lake
 * Foys Lake (Nipissing District)
 * Foys Lake (Renfrew County)

Fr

 * Fra Lake
 * Fradin Lake
 * Frain Lake
 * Frair Lake
 * Fraleck Lake
 * Fraleck's Pond
 * Fraleigh Lake
 * Framan Lake
 * Frame Lake
 * Fran Lake (Algoma District)
 * Fran Lake (Rainy River District)
 * Frances Lake (Sudbury District)
 * Frances Lake (Nipissing District)
 * Frances Lake (Kenora District)
 * Frances Lake (Cochrane District)
 * Francesca Lake
 * Francille Lake
 * Francis Lake (Algoma District)
 * Francis Lake (Eldridge Township, Nipissing District)
 * Francis Lake (Kenora District)
 * Francis Lake (Grey County)
 * Francis Lake (Lennox and Addington County)
 * Francis Lake (Thunder Bay District)
 * Francis Lake (Edgar Township, Nipissing District)
 * Francis Lake (White Township, Nipissing District)
 * Francis Lake (Olrig Township, Nipissing District)
 * Franciscan Lake
 * Francklyn Lake
 * Frank Lake (Thunder Bay District)
 * Frank Lake (Sudbury District)
 * Frank Lake (Parry Sound District)
 * Frank Lake (Timiskaming District)
 * Frank Lake (Haliburton County)
 * Frank Ponds
 * Frank's Lake
 * Frankfurth Lake
 * Frankish Lake
 * Franklin Lake (Kenora District)
 * Franklin Lake (Rainy River District)
 * Franklin Lake (Algoma District)
 * Franklin Lake (Sudbury District)
 * Franklin Pond
 * Franks Lake (Sudbury District)
 * Franks Lake (Madawaska Valley)
 * Franks Lake (Algoma District)
 * Franks Lake (Greater Madawaska)
 * Franky Lake
 * Frantz Pond
 * François Lake
 * Frappier Lake (Thunder Bay District)
 * Frappier Lake (Sudbury District)
 * Fraser Lake (Frontenac County)
 * Fraser Lake (Haliburton County)
 * Fraser Lake (Sturgeon Lake, Thunder Bay District)
 * Fraser Lake (Renfrew County)
 * Fraser Lake (Haines Township, Thunder Bay District)
 * Fraser Lake (Parry Sound District)
 * Fraser Lake (Muskoka District)
 * Fraser Lake (Greater Sudbury)
 * Fraser Lake (Hastings County)
 * Fraser Lake (Algoma District)
 * Fraser Lake (Sudbury District)
 * Fraser Lake (Timiskaming District)
 * Frater Lake
 * Fraud Lake
 * Frawley Lake
 * Frawly Lake
 * Frazer Lake
 * Frazier Lake
 * Frechette Lake
 * Fred Lake (St. Ignace Island, Thunder Bay District)
 * Fred Lake (Timiskaming District)
 * Fred Lake (Rainy River District)
 * Fred Lake (Nickle Township, Thunder Bay District)
 * Fredart Lake
 * Freddie Lake
 * Frederick House Lake
 * Frederick Lake (Timiskaming District)
 * Frederick Lake (Sudbury District)
 * Frederickson Lake
 * Freds Lake
 * Free Lake
 * Freeborn Lake
 * Freed Lake
 * Freeland Lake
 * Freele Lake
 * Freeman Lake (Cochrane District)
 * Freeman Lake (Frontenac County)
 * Freeman Lake (Sudbury District)
 * Freen Lake
 * French Lake (Kenora District)
 * French Lake (Thunder Bay District)
 * French Lake (Rainy River District)
 * French Lake (Cochrane Disitrct)
 * Frenchman Lake
 * Frenchmans Lake
 * Frere Lake
 * Fresque Lake
 * Freure Lake
 * Freve Lake
 * Frey Lake (Parry Sound District)
 * Frey Lake (Sudbury District)
 * Freymond Lake
 * Fricker Lake
 * Friday Lake (Cochrane District)
 * Friday Lake (Nipissing District)
 * Friday Lake (Sudbury District)
 * Friday Lake (McEwing Township, Algoma District)
 * Friday Lake (Royal Township, Algoma District)
 * Friendly Lake (Broughton Township, Algoma District)
 * Friendly Lake (McIlveen Township, Algoma District)
 * Frigid Lake
 * Frill Lake
 * Frise Lake
 * Frith Lake (Thunder Bay District)
 * Frith Lake (Sudbury District)
 * Fritsch Lake
 * Fritz Lake
 * Froats Lake
 * Frobel Lake
 * Frog Lake (Creelman Township, Sudbury District)
 * Frog Lake (Coleman)
 * Frog Lake (Lincoln Township, Sudbury District)
 * Frog Lake (Ray Township, Timiskaming District)
 * Frog Lake (Frontenac County)
 * Frog Lake (Nipissing District)
 * Frog Lake (Thunder Bay District)
 * Frog Pond
 * Frogfly Lake
 * Froggy Lake (Thunder Bay District)
 * Froggy Lake (Nipissing District)
 * Frogharbour Lake
 * Frond Lake
 * Frontier Lake (Cochrane District)
 * Frontier Lake (Nipissing District)
 * Frood Lake
 * Froome Lake
 * Frost Lake (Sudbury District)
 * Frost Lake (Nebonaionquet Township, Algoma District)
 * Frost Lake (Frost Township, Algoma District)
 * Frost Lake (Haliburton County)
 * Frost Lake (Parry Sound District)
 * Froude Lake
 * Fry Lake (Kenora District)
 * Fry Lake (Sudbury District)
 * Fryer Lake
 * Frying Pan Lake (Thunder Bay District)
 * Frying Pan Lake (Algoma District)
 * Fryingpan Lake (Cochrane District)
 * Fryingpan Lake (Timiskaming District)
 * Frypan Lake

Fu–Fy

 * Fuchsite Lake
 * Fugere Lake
 * Fulcher Lake
 * Fulford Lake
 * Fuller Lake
 * Fullerton Lake (Algoma District)
 * Fullerton Lake (Thunder Bay District)
 * Fume Lake
 * Fummerton Lake
 * Funger Lake
 * Fungus Lake
 * Funnel Lake
 * Funnybone Lake
 * Funston Lake
 * Furcate Lake
 * Furlonge Lake
 * Furniss Lake
 * Furnival Lake
 * Furrow Lake
 * Furry Lake
 * Fushimi Lake
 * Futh Lake
 * Futile Lake
 * Fyfe Lake