This is a list of lakes of Ontario beginning with the letter J.
Ja Jaab LakeJaab Lake Jabez LakeJabez Lake Jac Saga LakeJac Saga Lake Jack Lake (Nipissing District)Jack Lake Jack Lake (Jill Lake, Kenora District)Jack Lake Jack Lake (Parry Sound District)Jack Lake Jack Lake (Rainy River District)Jack Lake Jack Lake (Peterborough County)Jack Lake Jack Lake (Carnegie Township, Cochrane District)Jack Lake Jack Lake (Thunder Bay District)Jack Lake Jack Lake (Malachi Township, Kenora District)Jack Lake Jack Lake (Sudbury District)Jack Lake Jack Lake (Jack Creek, Cochrane District)Jack Lake Jack Lake (Blount Township, Cochrane District)Jack Lake Jack's LakeJack's Lake Jackdaw LakeJackdaw Lake Jackfish HoleJackfish Hole Jackfish Lake (Loonhaunt River, Rainy River District)Jackfish Lake Jackfish Lake (Kashabowie Lake, Thunder Bay District)Jackfish Lake Jackfish Lake (Algoma District)Jackfish Lake Jackfish Lake (Syine Township, Thunder Bay District)Jackfish Lake Jackfish Lake (Hall Lake, Kenora District)Jackfish Lake Jackfish Lake (Satterly Township, Kenora District)Jackfish Lake Jackfish Lake (Atikokan)Jackfish Lake Jackfish Lake (Wapawukaw Lake, Kenora District)Jackfish Lake Jackfish Lake (Red Lake)Jackfish Lake Jackfish Lake (Maple Creek, Thunder Bay District)Jackfish Lake Jackfish Lake (Perrault Lake, Kenora District)Jackfish Lake Jackfish Lake (White Otter Lake, Kenora District)Jackfish Lake Jackfish Lake (Sioux Lookout)Jackfish Lake Jackfish PondJackfish Pond Jackinnes LakeJackinnes Lake Jacknife LakeJacknife Lake Jackpine Lake (Nipissing District)Jackpine Lake Jackpine Lake (Kenora District)Jackpine Lake Jackpine Lake (Cochrane District)Jackpine Lake Jackpine Lake (Thunder Bay District)Jackpine Lake Jackpine Lake (Algoma District)Jackpine Lake Jackpot LakeJackpot Lake Jacks Lake (Simcoe County)Jacks Lake Jacks Lake (Parry Sound District)Jacks Lake Jacks Lake (Barron Township, Nipissing District)Jacks Lake Jacks Lake (South Algonquin)Jacks Lake Jacks Lake (Renfrew County)Jacks Lake Jacks Lake (Thunder Bay District)Jacks Lake Jacks Lake (Kenora District)Jacks Lake Jackson Lake (Cochrane Township, Sudbury District)Jackson Lake Jackson Lake (Beebe Township, Algoma District)Jackson Lake Jackson Lake (Dickson Township, Nipissing District)Jackson Lake Jackson Lake (Thunder Bay District)Jackson Lake Jackson Lake (Papineau-CameronJackson Lake Jackson Lake (Abotossaway Township, Algoma District)Jackson Lake Jackson Lake (Kenora District)Jackson Lake Jackson Lake (Timiskaming District)Jackson Lake Jackson Lake (Muskoka District)Jackson Lake Jackson Lake (Street Township, Sudbury District)Jackson Lake Jackson's LakeJackson's Lake Jacksons LakeJacksons Lake Jacob Lake (Cochrane District)Jacob Lake Jacob Lake (Thunder Bay District)Jacob Lake Jacobs LakeJacobs Lake Jacobson LakeJacobson Lake Jacobus LakeJacobus Lake Jadakin LakeJadakin Lake Jade LakeJade Lake Jadel LakeJadel Lake Jaeger LakeJaeger Lake Jag LakeJag Lake Jagged LakeJagged Lake Jake Lake (Thunder Bay District)Jake Lake Jake Lake (Kenora District)Jake Lake Jake Lake (Nipissing District)Jake Lake Jake Lake (Sudbury District)Jake Lake Jake's LakeJake's Lake Jam Lake (Cochrane District)Jam Lake Jam Lake (Thunder Bay District)Jam Lake James Lake (Olrig Township, Nipissing District)James Lake James Lake (Bretz Lake, Kenora District)James Lake James Lake (Frontenac County)James Lake James Lake (Temagami)James Lake James Lake (Hastings County)James Lake James Lake (Shoal Lake, Kenora District)James Lake James Lake (Umbach Township, Kenora District)James Lake Jamieson Lake (Hastings County)Jamieson Lake Jamieson Lake (Nipissing District)Jamieson Lake Jamieson Lake (Renfrew County)Jamieson Lake Jamtama LakeJamtama Lake Janakka LakeJanakka Lake Jane LakeJane Lake Jane Spurgeon LakeJane Spurgeon Lake Janes LakeJanes Lake Janet Lake (Thunder Bay District)Janet Lake Janet Lake (Cochrane District)Janet Lake Jannack LakeJannack Lake Janus LakeJanus Lake Japan LakeJapan Lake Jar LakeJar Lake Jardine LakeJardine Lake Jarrow LakeJarrow Lake Jarvey LakeJarvey Lake Jarvis Lake (Kenora District)Jarvis Lake Jarvis Lake (Thunder Bay District)Jarvis Lake Jarvis Lake (Algoma District)Jarvis Lake Jarvis Lake (Hastings County)Jarvis Lake Jarvis Lake (Nipissing District)Jarvis Lake Jason LakeJason Lake Jasper Lake (Rainy River District)Jasper Lake Jasper Lake (Sudbury District)Jasper Lake Jasper Lake (Kenora District)Jasper Lake Jaw Lake (Algoma District)Jaw Lake Jaw Lake (Thunder Bay District)Jaw Lake Jawbone Lake (Raynar Township, Cochrane District)Jawbone Lake Jawbone Lake (Thorning Township, Cochrane District)Jawbone Lake Jawbone Lake (Timiskaming District)Jawbone Lake Jay Lake (Thunder Bay District)Jay Lake Jay Lake (Beaudry Township, Algoma District)Jay Lake Jay Lake (Kenora District)Jay Lake Jay Lake (Nipissing District)Jay Lake Jay Lake (Larkin Township, Algoma District)Jay Lake Jaybee LakeJaybee Lake
Jea–Jem Lake JeanLake Jean Jean Lake (Halcrow Township, Sudbury District)Jean Lake Jean Lake (Algoma District)Jean Lake Jean Lake (Rainy River District)Jean Lake Jean Lake (Kenora District)Jean Lake Jean Lake (Browning Township, Sudbury District)Jean Lake Jean Lake (Nipissing District)Jean Lake Jean Lake (Cochrane District)Jean Lake Jean Lake (Haliburton County)Jean Lake Jean Lake (Timiskaming District)Jean Lake Jeanette Lake (Kenora District)Jeanette Lake Jeanette Lake (Cochrane District)Jeanette Lake Jeanne LakeJeanne Lake Jeannette LakeJeannette Lake Jeannie Lake (Cochrane District)Jeannie Lake Jeannie Lake (Haliburton County)Jeannie Lake Jeem LakeJeem Lake Jeep Lake (Thunder Bay District)Jeep Lake Jeep Lake (Algoma District)Jeep Lake Jeepi LakeJeepi Lake Jeff Lake (Grzela Township, Algoma District)Jeff Lake Jeff Lake (Thunder Bay District)Jeff Lake Jeff Lake (Alarie Township, Algoma District)Jeff Lake Jeff Lake (Sudbury District)Jeff Lake Jeff Lake (Rainy River District)Jeff Lake Jeffers Lake (Kenora District)Jeffers Lake Jeffers Lake (Renfrew County)Jeffers Lake Jefferson Lake (Kenora District)Jefferson Lake Jefferson Lake (Cochrane District)Jefferson Lake Jefferson Lake (Sudbury District)Jefferson Lake Jeffery Lake (Parry Sound District)Jeffery Lake Jeffrey Lake (Hastings County)Jeffrey Lake Jeffrey Lake (Renfrew County)Jeffrey Lake Jeffreys Lake (Brudenell, Lyndoch and Raglan)Jeffreys Lake Jeffreys Lake (Whitewater Region)Jeffreys Lake Jeffries LakeJeffries Lake Jeffs LakeJeffs Lake Jehann LakeJehann Lake J.E.H. MacDonald LakeJ.E.H. MacDonald Lake Jellybean LakeJellybean Lake Jelso LakeJelso Lake Jemar LakeJemar Lake Jembi LakeJembi Lake Jemima LakeJemima Lake
Jen–Jew Jen Lake (Sudbury District)Jen Lake Jen Lake (Cochrane District)Jen Lake Jenkins Lake (Renfrew County)Jenkins Lake Jenkins Lake (Thunder Bay District)Jenkins Lake Jenkins Lake (Nipissing District)Jenkins Lake Jenkins Lake (Muskoka District)Jenkins Lake Jenkins Lake (Manitoulin District)Jenkins Lake Jenks LakeJenks Lake Jenner LakeJenner Lake Jennette LakeJennette Lake Jennie Lake (Kenora District)Jennie Lake Jennie Lake (Sudbury District)Jennie Lake Jennings Lake (Renfrew County)Jennings Lake Jennings Lake (Nipissing District)Jennings Lake Jeno LakeJeno Lake Jenvey LakeJenvey Lake Jepson LakeJepson Lake Jeri LakeJeri Lake Jerita LakeJerita Lake Jerome LakeJerome Lake Jerry Lake (Muskoka District)Jerry Lake Jerry Lake (Parry Sound District)Jerry Lake Jerry Lake (Timiskaming District)Jerry Lake Jerry Lake (Renfrew County)Jerry Lake Jerry Lake (Sudbury District)Jerry Lake Jerry's LakeJerry's Lake Jervis Bay LakeJervis Bay Lake Jess Lake (Greater Sudbury)Jess Lake Jess Lake (Algoma District)Jess Lake Jess Lake (Sudbury District)Jess Lake Jesse James LakeJesse James Lake Jesse LakeJesse Lake Jessica LakeJessica Lake Jessie Lake (Nipissing District)Jessie Lake Jessie Lake (Kenora District)Jessie Lake Jessie Lake (Purdom Township, Thunder Bay District)Jessie Lake Jessie Lake (Sturgeon Lake, Thunder Bay District)Jessie Lake Jessiman LakeJessiman Lake Jessop LakeJessop Lake Jessups LakeJessups Lake Jester LakeJester Lake Jet LakeJet Lake Jethel LakeJethel Lake Jette LakeJette Lake Jevins LakeJevins Lake Jewel Lake (Nipissing District)Jewel Lake Jewel Lake (Kenora District)Jewel Lake Jewell Lake (Nipissing District)Jewell Lake Jewell Lake (Thunder Bay District)Jewell Lake Jewett LakeJewett Lake
Ji Jig Lake (Thunder Bay District)Jig Lake Jig Lake (Algoma District)Jig Lake Jigger LakeJigger Lake Jiggy LakeJiggy Lake Jijime LakeJijime Lake Jill Lake (Muskoka District)Jill Lake Jill Lake (Kenora District)Jill Lake Jim Christ LakeJim Christ Lake Jim Edwards LakeJim Edwards Lake Jim Lake (Jim Creek, Thunder Bay District)Jim Lake Jim Lake (Fox Creek, Thunder Bay District)Jim Lake Jim Lake (Rainy River District)Jim Lake Jim Lake (Black Sturgeon Lake, Thunder Bay District)Jim Lake Jim Lake (Mars Lake, Kenora District)Jim Lake Jim Lake (Octopus Lake, Kenora District)Jim Lake Jimbo LakeJimbo Lake Jimmie Lake (Hastings County)Jimmie Lake Jimmie Lake (Nipissing District)Jimmie Lake Jimmie Lake (Thunder Bay District)Jimmie Lake Jimmy Kash LakeJimmy Kash Lake Jimmy Lake (Casson Township, Algoma District)Jimmy Lake Jimmy Lake (Beaudry Township, Algoma District)Jimmy Lake Jimmy Lake (Kenora District)Jimmy Lake Jimmy Lake (Sudbury District)Jimmy Lake Jims LakeJims Lake Jinks LakeJinks Lake Jinx Lake (Thunder Bay District)Jinx Lake Jinx Lake (Parry Sound District)Jinx Lake Jinx Lake (Cochrane District)Jinx Lake Jiu Jitsu LakeJiu Jitsu Lake
Joa–Jol Joachim LakeJoachim Lake Joan LakeJoan Lake Joanne LakeJoanne Lake Job LakeJob Lake Jobammageeshig LakeJobammageeshig Lake Jobes LakeJobes Lake Jobrin LakeJobrin Lake Jocko Lake (Barron Township, Nipissing District)Jocko Lake Jocko Lake (Hastings County)Jocko Lake Jocko Lake (Madawaska Valley)Jocko Lake Jocko Lake (Osborne Township, Nipissing District)Jocko Lake Jocko Lake (Greater Madawaska)Jocko Lake Joco LakeJoco Lake Jodrell LakeJodrell Lake Joe Lake (Nipissing District)Joe Lake Joe Lake (Cochrane District)Joe Lake Joe Lake (Sudbury District)Joe Lake Joe Lake (Malachi Township, Kenora District)Joe Lake Joe Lake (Nickle Township, Thunder Bay District)Joe Lake Joe Lake (Lount Lake, Kenora District)Joe Lake Joe Lake (Weikwabinonaw River, Thunder Bay District)Joe Lake Joe Louis LakeJoe Louis Lake Joe's LakeJoe's Lake Joeboy LakeJoeboy Lake Joeperry LakeJoeperry Lake Joes Lake (Renfrew County)Joes Lake Joes Lake (Lanark County)Joes Lake Joffre LakeJoffre Lake Jog Lake (Patenaude Township, Sudbury District)Jog Lake Jog Lake (Cochrane District)Jog Lake Jog Lake (Algoma District)Jog Lake Jog Lake (Whigham Township, Sudbury District)Jog Lake John Bill LakeJohn Bill Lake John Lake (Sudbury District)John Lake John Lake (Algoma District)John Lake John Lake (Kenora District)John Lake John Lake (Parry Sound District)John Lake John Lake (Hastings County)John Lake John Lake (Thunder Bay District)John Lake John Lake (Nipissing District)John Lake Johnar LakeJohnar Lake Johnline LakeJohnline Lake Johnnie LakeJohnnie Lake Johnnies LakeJohnnies Lake Johnny Lake (Renfrew County)Johnny Lake Johnny Lake (Algoma District)Johnny Lake Johnny Lake (Thunder Bay District)Johnny Lake Johns Lake (Kenora District)Johns Lake Johns Lake (Parry Sound District)Johns Lake Johns Lake (Killaloe, Hagarty and Richards)Johns Lake Johns Lake (North Algona Wilberforce)Johns Lake Johnson Lake (Owl Creek, Kenora District)Johnson Lake Johnson Lake (Thunder Bay District)Johnson Lake Johnson Lake (Frontenac County)Johnson Lake Johnson Lake (Sudbury District)Johnson Lake Johnson Lake (Hastings County)Johnson Lake Johnson Lake (Pennefather Township, Algoma District)Johnson Lake Johnson Lake (Cochrane District)Johnson Lake Johnson Lake (Larkin Township, Algoma District)Johnson Lake Johnson Lake (Parry Sound District)Johnson Lake Johnson Lake (Timiskaming District)Johnson Lake Johnson Lake (Mulcahy Township, Kenora District)Johnson Lake Johnson Lake (Haliburton County)Johnson Lake