C
- Cabbagetown-South St. James Town
- Cache Bay
- Caderette
- Cadmus
- Caesarea
- Cahore
- Cainsville
- Caintown
- Caipha
- Cairngorm
- Caistor Centre
- Caistor Corners
- Caistorville
- Calabogie
- Calderwood
- Caledon
- Caledon East
- Caledonia
- Caledonia-Fairbank
- Caledonia Front
- Caledonia Springs
- Caledon Village
- California
- California
- Caliper Lake
- Callander
- Callowood
- Callum
- Calong
- Calstock
- Calton
- Calvin
- Calvin Park
- Camborne
- Cambray
- Cambridge
- Cambridge Forest Estates
- Camden East
- Camel Chute
- Camelot Beach
- Cameron
- Cameron Falls
- Camerons Point
- Camey
- Camilla
- Camlachie
- Camp Acouchiching
- Camp Agamik
- Campania
- Campbellcroft
- Campbellford
- Campbellford/Seymour
- Campbell Maxwell Front
- Campbells Beach
- Campbells Corners
- Campbells Cross
- Campbellton
- Campbelltown
- Campbellvale
- Campbellville
- Camp Bigwee
- Camp Cayuga
- Camp Champlain
- Camp Chimo
- Camp Cochrane
- Campden
- Camperdown
- Camp Kagawong
- Camp Oconto
- Camp Robinson
- Camp Wanapitei
- Camp White Bear
- Camp Wigwasati
- Canaan
- Canal
- Canborough
- Candyville
- Canfield
- Canfield Junction
- Cankerville
- Cannamore
- Cannifton
- Canning
- Cannington
- Canoe Lake
- Canonto
- Canyon
- Canyon
- Cape Chin
- Cape Chin North
- Cape Chin South
- Cape Crocker Hunting Grounds First Nations Reserve 60B
- Cape Croker
- Capitale nationale, Région de la
- Capreol
- Caramat
- Cardiff
- Cardinal
- Cardinal Heights
- Cardwell
- Cargill
- Cargill Siding
- Carholme
- Caribou Falls
- Carleton Place
- Carley
- Carleys Corner
- Carling
- Carlingford
- Carlisle
- Carlisle, Hamilton Division
- Carlow
- Carlow/Mayo
- Carlsbad Springs
- Carlsruhe
- Carlton Park
- Carluke
- Carlyon
- Carmanville
- Carmel
- Carmel
- Carmunnock
- Carnarvon
- Carnegie Beach
- Carp
- Carr's Landing
- Carry
- Carrying Place
- Carson
- Carsonby
- Carters Corners
- Carterton
- Carthage
- Carthew
- Carthew Bay
- Cartier
- Cartwright Point Settlement
- Casa Loma
- Casey
- Cashel
- Cashions Glen
- Cashtown
- Cashtown Corners
- Cass Bridge
- Cassburn
- Cassel
- Casselman
- Castile
- Castlederg
- Castleford
- Castle Glen Estates
- Castlemore
- Castleton
- Casummit Lake
- Caswell's Beach
- Cataract
- Cataraqui
- Catchacoma
- Catchacoma Lake
- Cathage
- Cathcart
- Cat Lake
- Cat Lake 63C
- Cavan
- Cavan-Monaghan
- Caverlys Landing
- Cavers
- Cawaja Beach
- Cayuga
- Cecebe
- Cedar Bay
- Cedar Beach
- Cedarbrae
- Cedar Brae
- Cedar Creek
- Cedar Croft
- Cedardale
- Cedar Dale
- Cedar Glen
- Cedar Grove
- Cedar Hill
- Cedarholm
- Cedarhurst
- Cedarhurst Beach
- Cedarhurst Park
- Cedar Island
- Cedar Lake
- Cedar Mills
- Cedarmont Beach
- Cedar Mount
- Cedar Nook
- Cedar Point
- Cedar Shores
- Cedar Springs
- Cedar Springs
- Cedar Valley
- Cedar Valley
- Cedar Village
- Cedarville
- Cedarville
- Centennial Scarborough
- Central Elgin
- Central Frontenac
- Central Huron
- Centralia
- Central Manitoulin
- Central Patricia
- Central Plympton Lakeshre
- Centre
- Centre Dummer
- Centrefield
- Centre Hastings
- Centre Inn
- Centre Lake Junction
- Centremount
- Centreton
- Centretown
- Centreview
- Centreville
- Centreville
- Centreville
- Centreville/Albion
- Centre Wellington
- Centurion
- Ceylon
- CFB Borden
- C.F.B. Kingston
- C.F.B. North Bay
- C.F.B. Petawawa
- C.F.B. Trenton
- Chaffeys Locks
- Chalk River
- Chamberlain
- Chambers Corners
- Champlain
- Champlain Park
- Chandos Lake
- Chantler
- Chantry
- Chapleau
- Chapleau 74
- Chapleau 74A
- Chapleau 75
- Chapleau Cree Fox Lake
- Chapleau Indian Reserve No. 61
- Chapleau Indian Reserve No. 61A
- Chapman's Landing
- Chapple
- Chaput Hughes
- Charing Cross
- Charlemont
- Charleston
- Charleville
- Charlton
- Charlton and Dack
- Chartrand Corner
- Chase Corners
- Chatham
- Chatham-Kent
- Chatsworth
- Chatterton
- Chaudière Dam
- Cheapside
- Cheddar
- Cheeseborough
- Chelmsford
- Cheltenham
- Cheminis
- Chemong Heights
- Chemong Park
- Chenal Ecarte
- Chenaux
- Cheney
- Chepstow
- Cherie Hill
- Cherry Grove
- Cherry Lane Estates
- Cherry Valley
- Cherrywood
- Cherrywood West
- Chesley
- Chesterfield
- Chesterville
- Chetwynd
- Chief's Point Indian Reserve No. 28
- Chikopi
- Childs Mines
- Chinatown
- Chippawa
- Chippawa Hill
- Chippewa
- Chippewa Falls
- Chippewa Island Indian Reserve
- Chippewas of Georgina Island
- Chippewas of Georgina Island First Nation Indian Reserve No. 33A
- Chippewas of the Thames First Nation 42
- Chiselhurst
- Chisholm
- Chisholm's Mills
- Chiswick
- Christian Island
- Christian Island 30
- Christian Island 30A
- Christian Valley
- Christie Beach
- Christie Lake
- Christies Corner
- Christina
- Chub Lake
- Chudleigh
- Churchill
- Churchill Heights
- Churchville
- Church-Yonge Corridor
- Chute-à-Blondeau
- Clachan
- Claireville
- Clairlea-Birchmount
- Clanbrassil
- Clandeboye
- Clanton Park
- Clappison's Corners
- Clare
- Claredon Beach
- Claremont
- Clarence
- Clarence Creek
- Clarence-Rockland
- Clarendon Station
- Clarina
- Clarington
- Clarkdon
- Clarke
- Clarke's Corners
- Clarkes Hollow
- Clarksburg
- Clarks Church
- Clarkson
- Claude
- Clavering
- Clay Bank
- Clay Hills
- Clayton
- Clay Valley
- Clear Creek
- Clear Lake
- Clearview
- Clearville
- Clearwater
- Clearwater Bay
- Clearwater Beach
- Cliffcrest
- Clifford
- Clinton
- Clontarf
- Cloud Bay
- Cloudslee
- Cloverdale
- Clover Ridge
- Clover Valley
- Cloyne
- Cluny
- Clute
- Clyde Forks
- Clydesville
- Coatsworth
- Coatsworth Station
- Cobalt
- Cobble Hill
- Cobden
- Coboconk
- Cobourg
- Cochenour
- Cochrane
- Cochrane, Unorganized, North Part
- Cochrane, Unorganized, South East Part
- Cochrane, Unorganized, South West Part
- Cockburn Island
- Cockburn Island 19
- Cockburn Island 19A
- Codes Corner
- Codes Corners
- Codrington
- Cody's Corners
- Coe Hill
- Cognashene
- Coins Gratton
- Colbeck
- Colborne
- Colchester
- Cold Springs
- Coldstream
- Coldwater
- Coldwell
- Colebrook
- Cole Lake
- Coleman
- Colemans
- Coleman's Shore
- Colenso
- Coleraine
- Cole Wharf
- Colgan
- Colinville
- Collingwood
- Collins Bay
- Collins FN
- Collins Inlet
- Colpoy's Bay
- Colquhoun
- Columbus
- Colwell
- Comber
- Combermere
- Comet
- Commanda
- Community Beach
- Concord
- Concord Point
- Conestoga Estates
- Conestogo
- Conestogo Lake
- Coningsby
- Coniston
- Conmee
- Conn
- Connaught
- Connaught Shore
- Connellys
- Connor
- Conover
- Conroy
- Consecon
- Constance
- Constance Bay
- Constance Lake
- Constance Lake 92
- Constant Creek
- Conway
- Cooke's Shore
- Cooks Mills
- Cookstown
- Cooksville
- Coopers Falls
- Cooper's Trailer Park
- Copeland's Landing
- Copenhagen
- Copetown
- Copp
- Copper Cliff
- Copperhead
- Copperkettle
- Coppin's Corners
- Coral
- Coral Rapids
- Corbeil
- Corbett
- Corbetton
- Corbyville
- Cordova Mines
- Corinth
- Coristine
- Corkery
- Corkery Woods
- Cormac
- Cornell
- Cornwall
- Cornwall Centre
- Cornwall Island
- Coronation Gardens
- Corso Italia-Davenport
- Corsons
- Corunna
- Corwhin
- Cosy Cove
- Cotieville
- Cotnam Island
- Cotswold
- Cottam
- Cottesloe
- Couchiching 16A
- Coughlin
- Coulson
- Coulson's Hill
- Coulters Hill
- Coulterville
- Courtice
- Courtland
- Courtright
- Coutnac Beach
- Couttsville
- Cove Beach
- Coventry
- Coverdale
- Cowal
- Cowan's Bay
- Cow Island
- Coxvale
- Coyle
- Cozy Corners
- Craighurst
- Craigleith
- Craigmawr Beach
- Craigmont
- Craigsholme
- Craig Shore
- Craigvale
- Cramahe
- Crampton
- Cranberry
- Cranberry Island
- Cranbrook
- Cranston
- Crathie
- Crawford
- Crawford's Grove
- Crean Hill
- Crediton
- Credit River
- Creditville
- Cree
- Creek Bank
- Creemore
- Creighton
- Creighton
- Creighton Heights
- Crescent Bay
- Crescent Beach
- Crescent Harbour
- Crescent Park
- Crescent Town
- Cresswell
- Cressy
- Crewe
- Crewson's Corners
- Crieff
- Crilly
- Crinan
- Crofton
- Cromar
- Cromarty
- Crombie
- Crombies
- Crooked Bay
- Crooked Creek
- Crookston
- Crosby
- Crosshill
- Cross Lake
- Crossland
- Crossley Hunter
- Crossley-Hunter
- Croton
- Crowe Bridge
- Crowes Landing
- Crow Lake
- Crow Lake
- Crown Hill
- Croydon
- Crozier
- Cruickshank
- Crumlin
- Cryderman Subdivision
- Crysler
- Crystal
- Crystal Bay
- Crystal Beach
- Crystal Falls
- Crystal Lake
- Crystal Lake
- Crystal Rock
- Crystal Springs
- Culloden
- Cultus
- Cumberland
- Cumberland Beach
- Cumnock
- Cundles
- Cunningham's Corners
- Curran
- Curries
- Curry Hill
- Curve Lake
- Curve Lake First Nation 35
- Curve Lake Indian Reserve No. 35A
- Cushendall
- Cutler
