- Sagarapura Colony
- Sahodaragama
- Saint Helano Colony
- Saint Joneswatta
- Saint Theressawatta
- Samagipura
- Samagipura Colony
- Saman Eliya
- Samanalagala
- Samanalagama
- Samaneliya Colony
- Samanpura
- Samarakonehena
- Samimale
- Sanchimale
- Sangilipalama
- Sanquharwatta
- Sashinath's Home
- Seetha Eliya
- Seethawaliwatta
- Selagama
- Selagama Colony
- Selwakanda
- Senarathpura
- Senside
- Serasunthenna
- Serudandapola
- Serugolla
- Shamrock Colony
- Shantipura