- Rajasangama Colony
- Rakatungoda Estate
- Ramaliyadda
- Rambakegama
- Ramboda
- Ramboda Colony
- Rambodawatta
- Rammalakandura
- Rampadeniya
- Rannantalawa
- Rantinda
- Rasingolla
- Rathgama
- Rathmeltiya Colony
- Rathnayakapura
- Rathwalapitiya
- Ratlandwatta
- Ratmetiya
- Ratnagiri
- Ratninda
- Ravanagoda
- Red Cross Gammanaya
- Repanhockwatta
- Respitiya Colony
- Rikarton Scheme
- Rikillagaskada
- Rockwood
- Rogersongama
- Roshetagama
- Rothschildwatta