Locations
- Radcliffe Road
- Radlett
- Raglan Road
- Raheen
- Raheen Park
- Raheny
- Railway Street
- Ranelagh
- Ranelagh Road
- Rath
- Rathalan
- Rathangan
- Rathbeggan
- Rathcoole
- Rathcore
- Rathdown Road
- Rathdowney
- Rathdrum
- Ratheny
- Rathfarnham
- Rathfriland
- Rathgar
- Rathgar Avenue
- Rathgar Road
- Rathgarogue
- Rathlee
- Rathmines
- Rathmines Park Terrace
- Rathmines Road
- Rathmines Road Upper
- Rathmines Upper
- Rathowen
- Rathsaran
- Ratoath
- Ravensdale Road
- Raymond Street
- Raynes Park
- Red Cow
- Redcliffe
- Redcross Street
- Redhall Terrace
- Redland Road
- Redmond Road
- Redmond's Hill
- Regent Street
- Reginald Street
- Renfrewshire
- Reuben Avenue
- Reuben Street
- Rialto
- Rialto Cottages
- Rialto Street
- Richmond
- Richmond Avenue
- Richmond Barracks [Keogh Barracks]
- Richmond Cottages
- Richmond Crescent
- Richmond Parade
- Richmond Park
- Richmond Place
- Richmond Road
- Richmond Street
- Richmond Street North
- Richmond Street South
- Ringsend
- Ringsend Road
- Riverstown
- Robert Street
- Robertson Street
- Roby Place
- Rochestown Avenue
- Rock Road
- Rock Street
- Rockspring
- Rogerstown Bridge
- Roker
- Ropemaker Street
- Rosary Road
- Roscommon
- Roscrea
- Rose Hall
- Rosemount Road
- Rosetta Avenue
- Roslyn Park
- Rostrevor
- Rostrevor Terrace
- Rotunda Buildings
- Roughgrange
- Roundfort
- Royal Avenue
- Royal Barracks [Collins Barracks]
- Royal Canal
- Royal Canal Bank
- Royal Canal Terrace
- Royal Terrace
- Royal Terrace West
- Royse Road
- Royse Terrace
- Rue Emile Zola
- Rugby Villas
- Rush
- Rush Road
- Russell Arch
- Russell Avenue
- Russell Place
- Russell Street
- Rutland Place
- Rutland Square
- Rutland Street
- Rutland Street Lower
- Rutland Street Upper
- Ryder's Row
- Ryefield