R
- Race Horse Camp
- Rackety
- Radiant
- Rafferty's Corners
- Ragged Rapids
- Raglan
- Raglan
- Railton
- Rainham Centre
- Rainy Lake 17A
- Rainy Lake 17B
- Rainy Lake 18C
- Rainy Lake 26A
- Rainy Lake Indian Reserve No. 26B
- Rainy Lake Indian Reserve No. 26C
- Rainy River
- Rainy River, Unorganized
- Raith
- Rama First Nation 32
- Ramara
- Rama Road
- Ramore
- Ramsayville
- Ramsey
- Randall
- Randolph
- Randwick
- Ranelagh
- Ranger Lake
- Rankin
- Rankin Location 15D
- Rannoch
- Ranoke
- Raphoe
- Rapid Valley
- Rathburn
- Ratho
- Rathwell's Shore
- Rat Portage 38A
- Rat Rapids
- Ratzburg
- Ravenna
- Ravenscliffe
- Ravenshoe
- Ravensview
- Ravenswood
- Ravensworth
- Raymonds Corners
- Rayside-Balfour
- Reaboro
- Read
- Reading
- Reay
- Reba
- Redan
- Red Bay
- Redbridge
- Red Deer
- Reddendale
- Redditt
- Redgrave
- Redickville
- Red Lake
- Red Lake Road
- Redmond
- Rednersville
- Red Rock
- Red Rock Indian Reserve No. 53
- Redwater
- Red Wing
- Redwood
- Reeces Corners
- Reesor
- Reesor Siding
- Reeve Craig
- Regent
- Regent Park
- Reid's Corners
- Reid's Mill
- Reids Mills
- Reidsville
- Reidville
- Reinkes Hill
- Relay
- Relessey
- Remicks
- Renabie
- Renforth
- Renfrew
- Renison
- Renton
- Restoule
- Rexdale
- Rexdale-Kipling
- Rheault
- Riceville
- Richan
- Richards Landing
- Rich Hill
- Richmond
- Richmond, Elgin County
- Richmond Hill
- Richvale
- Richwood
- Rideau
- Rideau Ferry
- Rideau Heights
- Rideau Lakes
- Ridgemount
- Ridgetown
- Ridgeville
- Ridgeway
- Ridgewood
- Ridley Heights
- Riley Lake
- Rimington
- Rimstad
- Ringwood
- Ripco
- Ripley
- Ripple
- Ritchance
- Riverbank
- River Bend
- River Canard
- River Drive Park
- Riversdale
- Riverside
- Riverside Heights
- Riverside Trailer Park
- Riverstown
- River Valley
- Riverview
- Riverview Beach
- Riverview Heights
- Riviere-aux-Canards
- Rivière Veuve
- Robbtown
- Roberts Hill
- Roberts Island
- Robertson's Shore
- Robertsville
- Robford
- Robin Landing
- Robinson
- Robin's Point
- Roblin
- Roblindale
- Roblin Mills
- Rob Roy
- Rochefort
- Rocher Fendu
- Roches Point
- Rock Chapel
- Rockcliffe Park
- Rockcliffe-Smythe
- Rockcliffe Survey
- Rockcroft
- Rockcut
- Rockdale
- Rockdale
- Rockfield
- Rockford
- Rockford
- Rockingham
- Rock Lake
- Rockland
- Rocklyn
- Rock Mills
- Rockport
- Rockside
- Rock's Mills
- Rocksprings
- Rockton
- Rockville
- Rockway
- Rockwood
- Rockwood Hills
- Rockwynn
- Rocky Bay
- Rocky Bay Indian Reserve No. 1
- Rocky Saugeen
- Roderick
- Rodney
- Roeberta Park
- Roebuck
- Rohallion
- Rokeby
- Rolphton
- Rolston
- Roman Lake
- Ronaldson
- Roncesvalles
- Rondeau
- Rondeau Bay Estates
- Rondeau Park
- Rosanna
- Rosebank
- Roseberry Hill
- Rosedale
- Rosedale
- Rosedale-Moore Park
- Rosedale Point
- Rosedale Station
- Rosedale Subdivision
- Rosedale Terrace
- Rosedene
- Rosegrove
- Rosegrove Beach
- Rosehall
- Rosehaven
- Rosehill
- Rose Hill
- Rose Hill Estates
- Rose Island
- Rosemont
- Rosendale
- Roseneath
- Rosenthal
- Rose Point
- Rosetta
- Roseville
- Roslin
- Rosnel
- Rossclair
- Rosseau
- Rosseau Falls
- Rosseau Road
- Rosslyn
- Rosslyn Village
- Rossmere
- Rossmore
- Rossmount
- Rossport
- Rostock
- Rostrevor
- Rothsay
- Rouge
- Round Lake
- Round Lake Centre
- Round Plains
- Routhier
- Rowan Mills
- Rowanwood
- Rowena
- Rowland
- Rows Corners
- Roxboro
- Roxbourgh
- Royal Island
- Ruby
- Ruby Mine
- Ruel
- Rugby
- Rummelhardt
- Runnymede-Bloor West Village
- Ruscom Station
- Rush Point
- Ruskview
- Russeldale
- Russell
- Russell Landing
- Rustic
- Rutherglen
- Ruthven
- Rutter
- Rydal Bank
- Ryderville
- Rye
- Ryerson
- Ryland
- Rylstone
