All cities and villages in Ireland
- Rahillakeen
- Rake Street
- Rampart
- Ramsgrange
- Rapemills
- Raphoe
- Rashenny
- Rath
- Rathangan
- Rathanna
- Rathcabban
- Rathclarish
- Rathcolman
- Rathconrath
- Rathcool
- Rathcoole
- Rathcor
- Rathcore
- Rathcor Lower
- Rathcormac
- Rathcor Upper
- Rathcoursey
- Rathdangan
- Rathdowney
- Rathdrinagh
- Rathdrum
- Rathduff
- Rathea
- Rathescar Cross Roads
- Ratheskin
- Rathfarnham
- Rathfeigh
- Rathgormuck
- Rathgranagher
- Rathkeale
- Rathkenny
- Rathlackan
- Ramelton
- Rathmolyon
- Rathmore
- Rathmore
- Rathmullan
- Rathnally
- Rathnew
- Rathnure
- Rathowen
- Rathtroane
- Rathvilly
- Rathwire
- Ratoath
- Ravensdale
- Rawros
- Reaghstown
- Reananerree
- Reanascreena
- Rear Cross
- Red Castle
- Redcross
- Redforge Cross Roads
- Redgate
- Redhill
- Redhills
- Reenard
- Reenroe
- Reens
- Relaghbeg
- Releagh
- Releagh Bridge
- Renaghmore
- Rerrin
- Rhode
- Richmount Hill
- Rineanna
- Ringaskiddy
- Ringville
- Rinn
- Rinnagonnaght
- Rinneen
- Rinville
- Rinvyle
- Cabin River
- Riverchapel
- Riverstick
- Riverstown
- Riverstown
- Rivers Town
- Riverstown
- Riverstown
- Roachtown
- Roadford
- Robertstown
- Robinstown
- Rochestown
- Rochfortbridge
- Rockchapel
- Rockcorry
- Rockfield
- Rockhill
- Rockhill
- Rockland
- Rockmills
- Rodena Bridge
- Rookwood
- Roonkeel
- Roosky
- Roosky
- Rosbercon
- Rosborough
- Roscommon
- Roscrea
- Rosdaul
- Rosemount
- Rosenallis
- Roshin
- Roskeeda
- Rosmuck
- Rosmult
- Ross
- Ross
- Rossbrin
- Ross Carbery
- Ross Cross Roads
- Rossduff
- Rosses Point
- Rossinan
- Rossinver
- Rosslare
- Rossmore
- Rossmore
- Rosnakill
- Rossnowlagh Lower
- Rossnowlagh Upper
- Ross Port
- Ross West
- Rostellan
- Rosturk
- Roundfort
- Roundstone
- Roy
- Royaloak
- Ruan
- Rush
- Rushbrooke
- Ryefield
- Rylane Cross
- Saggart
- Saint Anns Hill
- Saint Anns Wells
- Saint Catherines
- Saint Doolaghs
- Saint Johns Port
- Saint Johnstown
- Saint Mullins
- Patrickswell
- Saleen
- Saleen
- Salia
- Sallins
- Sallybrook
- Salrock
- Salterstown
- Salt Hill
- Saltmills
- Sandy Cove
- Sandy Ford
- Sandymount
- Sandymount
- Santry
- Sarnaght
- Saundersville
- Scalp
- Scardaun
- Scarriff
- Scartaglin
- Scilly
- Scotshouse
- Scotstown
- Scrabby
- Scrahan
- Scramoge
- Scregg East
- Scregg West
- Sea Mount
- Seershin
- Seltannaveeny
- Seskinrea
- Seskinryan
- Shanagarry
- Shanagh
- Shanagolden
- Shanbally
- Shanballymore
- Shankill
- Shanlaragh
- Shanlis Cross Roads
- Shannaghmore
- Shannonbridge
- Shannon Harbour
- Shantonagh
- Shanvally
- Sheeanamore
- Shercock
- Sheriffhill
- Sheshia
- Shillelagh
- Shinrone
- Shrone
- Shronell
- Shronowen
- Shrule
- Siddan
- Silvermines
- Silver Stream
- Single Street
- Sixmilebridge
- Skeagh
- Skehanagh
- Skenakilla Cross Roads
- Skerries
- Skibbereen
- Screen
- Skreen
- Schull
- Slade
- Slane
- Sleatygraigue
- Slievenakilla
- Slieveroe
- Sligo
- Smerwick
- Smithborough
- Sneem
- Soppog
- Southhill
- Spa
- Spancelhill
- Spear Vale
- Spiddal
- Spink
- Spittle
- Sporthouse Cross Roads
- Springfield
- Srah
- Srah
- Srah
- Srahduggaun
- Srahlaghy
- Srahmore
- Stabannan
- Stamullin