| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
4101  | Seruvila-Allai Sanctuary | Sri Lanka, Eastern Province | reserve | N 8° 22′ 0'' | E 81° 18′ 0'' |
| 4102 | Seruvila Allai Sanctuary | Sri Lanka, Eastern Province | reserve | N 8° 18′ 0'' | E 81° 21′ 0'' |
| 4103 | Serunewa | Sri Lanka, North Central Province Anuradhapura District > Horowupotana Division > Diyatittawewa | locality | N 8° 26′ 11'' | E 80° 55′ 55'' |
| 4104 | Serugolla | Sri Lanka, North Western Province Kurunegala District > Narammala Division > Embalapola | locality | N 7° 24′ 27'' | E 80° 15′ 21'' |
| 4105 | Sengamuwa | Sri Lanka, Eastern Province Ampara District > Pottuvil Division > Kalappukaddu | locality | N 6° 53′ 8'' | E 81° 46′ 12'' |
| 4106 | Sendiriyamulla | Sri Lanka, North Western Province Puttalam District > Dankotuwa Division > Sendiriyamulla | locality | N 7° 18′ 34'' | E 79° 56′ 11'' |
| 4107 | Senanayake Samudra Sanctuary | Sri Lanka, Uva Province | reserve | N 7° 13′ 0'' | E 81° 27′ 0'' |
| 4108 | Senanayaka Samudraya Sanctuary | Sri Lanka, Eastern Province | reserve | N 7° 9′ 37'' | E 81° 31′ 44'' |
| 4109 | Semewa | Sri Lanka, North Central Province Anuradhapura District > Medawachchiya Division > Moragoda1 | locality | N 8° 34′ 45'' | E 80° 34′ 48'' |
| 4110 | Sellankandal Forest Reserve | Sri Lanka, North Western Province | forest reserve | N 8° 1′ 51'' | E 79° 53′ 45'' |
| 4111 | Sellaka Oya Sanctuary | Sri Lanka, Eastern Province | reserve | N 7° 9′ 4'' | E 81° 32′ 21'' |
| 4112 | Sellaka Oya Sanctuary | Sri Lanka, Uva Province | reserve | N 7° 2′ 59'' | E 81° 31′ 33'' |
| 4113 | Seguwantivu | Sri Lanka, North Western Province Puttalam District > Puttalam Division > Manalthivu | locality | N 8° 4′ 48'' | E 79° 48′ 27'' |
4114  | Sanguthtattana Sangutatane,Sanguthtattana,Sangutthattane | Sri Lanka, North Western Province Puttalam District > Chilaw Division > Munneshwarama | populated place | N 7° 34′ 56'' | E 79° 48′ 40'' |
| 4115 | Sangilipalama Sangilipalam,Sangilipalama | Sri Lanka, Central Province Nuwara Eliya District > Kotmale Division > Rambodagama | populated place | N 7° 3′ 27'' | E 80° 40′ 57'' |
| 4116 | Sandichena | Sri Lanka, North Western Province Puttalam District > Mundel Division > Madurankuliya | locality | N 7° 54′ 26'' | E 79° 50′ 9'' |
| 4117 | Sampaturai Saint Pedro,Sampathurai,Sampaturai | Sri Lanka, Northern Province Mannar District > Mannar Town > Erukkalampiddy West | populated place | N 9° 3′ 0'' | E 79° 52′ 0'' |
| 4118 | Sambaltivu Champaitivu,Sambaltivu,Sampaltivu | Sri Lanka, Eastern Province Trincomalee District > Trincomalee Town and Gravets Division > Salli | populated place | N 8° 37′ 34'' | E 81° 12′ 45'' |
| 4119 | Sambukkulama Sambukkulam,Sambukkulama,Sambukulam | Sri Lanka, North Western Province Puttalam District > Kalpitiya Division > Ettala | populated place | N 8° 5′ 17'' | E 79° 43′ 30'' |
| 4120 | Salampakerny | Sri Lanka, Eastern Province Batticaloa District > Manmunai West > Vavunativu | locality | N 7° 40′ 58'' | E 81° 38′ 23'' |
4121  | Babungala Point Babungala,Babungala Point,Sabungala Point | Sri Lanka, Southern Province Galle District > Bentota Division > Habakkala | point | N 6° 22′ 0'' | E 80° 1′ 0'' |
| 4122 | Rumasala Kanda Rumasala Kanda,Rumassala Kanda,Rumaswalakanda,Rumaswalakande | Sri Lanka, Southern Province Galle District > Habaraduwa Division > Bonavistawa | hill | N 6° 0′ 59'' | E 80° 14′ 27'' |
| 4123 | Rukkattana | Sri Lanka, Uva Province Badulla District > Haldummulla Division > Kithulgahaarawa | locality | N 6° 45′ 12'' | E 80° 53′ 6'' |
| 4124 | Rukattane Rukattana,Rukattane,Rukkattana | Sri Lanka, North Western Province Kurunegala District > Narammala Division > Puskoladeniya | populated place | N 7° 20′ 35'' | E 80° 8′ 14'' |
| 4125 | Rukamputur Rugama,Rukam,Rukambutur,Rukamputur | Sri Lanka, Eastern Province Batticaloa District > Eravur Pattu > Kithul | populated place | N 7° 39′ 57'' | E 81° 29′ 25'' |
| 4126 | Rukadawewa | Sri Lanka, North Central Province Anuradhapura District > Nochchiyagama Division > Lindawewa2 | locality | N 8° 15′ 50'' | E 80° 10′ 14'' |
| 4127 | Ruhunu National Park | Sri Lanka, Southern Province Hambantota District > Thissamaharama > Kirinda | park | N 6° 25′ 0'' | E 81° 35′ 0'' |
| 4128 | Ruhunu National Park | Sri Lanka, Southern Province Hambantota District > Thissamaharama > Kirinda | park | N 6° 23′ 0'' | E 81° 30′ 0'' |
| 4129 | Ruhunu National Park | Sri Lanka, Southern Province Hambantota District > Thissamaharama > Kirinda | park | N 6° 21′ 0'' | E 81° 28′ 0'' |
| 4130 | Rubberwatta | Sri Lanka, Southern Province Hambantota District > Thissamaharama > Rubberwatta | locality | N 6° 15′ 24'' | E 81° 16′ 46'' |
| 4131 | Rotapokuna | Sri Lanka, North Central Province Anuradhapura District > Kahatagasdigiliya Divison > Samadhigama | locality | N 8° 24′ 38'' | E 80° 37′ 44'' |
| 4132 | Robalgoda Robalgoda,Robolgoda,Robolgodde | Sri Lanka, Southern Province | populated place | N 6° 24′ 52'' | E 79° 59′ 47'' |
| 4133 | Rittadeniya | Sri Lanka, North Western Province Kurunegala District > Panduwasnuwara Division > Rittadeniya | locality | N 7° 34′ 28'' | E 80° 3′ 26'' |
| 4134 | Ritigahawatta | Sri Lanka, Uva Province Moneragala District > Madulla Division > Ritigahawatta | locality | N 7° 0′ 33'' | E 81° 28′ 7'' |
| 4135 | Rilawiddawewa | Sri Lanka, North Central Province Anuradhapura District > Horowupotana Division > Gammahegewewa | locality | N 8° 30′ 51'' | E 80° 44′ 41'' |
| 4136 | Rilaulla | Sri Lanka, North Western Province Kurunegala District > Bamunakotuwa > Dampitiya | locality | N 7° 30′ 22'' | E 80° 15′ 35'' |
| 4137 | Ridiwita | Sri Lanka, Sabaragamuwa Province Ratnapura District > Godakawela Division > Ematiyagoda | locality | N 6° 31′ 43'' | E 80° 37′ 46'' |
| 4138 | Ruwalwela Reulvala,Revulvala,Ruwalwela | Sri Lanka, Uva Province Moneragala District > Madulla Division > Ruwalwela | populated place | N 7° 1′ 34'' | E 81° 23′ 9'' |
| 4139 | Relapanawa | Sri Lanka, North Central Province Anuradhapura District > Kebitigollewa Division > Wattewewa | locality | N 8° 34′ 13'' | E 80° 39′ 41'' |
| 4140 | Relapanawa | Sri Lanka, North Central Province Anuradhapura District > Medawachchiya Division > Karambankulama | locality | N 8° 30′ 25'' | E 80° 35′ 25'' |
| 4141 | Relapanawa | Sri Lanka, North Central Province Anuradhapura District > Nuwaragam Palata Central Division > Aluthgama | locality | N 8° 28′ 8'' | E 80° 21′ 6'' |
| 4142 | Rekawa | Sri Lanka, Southern Province Hambantota District > Tangalle > Rekawa West | locality | N 6° 3′ 33'' | E 80° 50′ 57'' |
| 4143 | Ravanagoda  Ravanagoda,Rawanagoda | Sri Lanka, Central Province Nuwara Eliya District > Kotmale Division > Beramana North | populated place | N 6° 59′ 56'' | E 80° 37′ 1'' |
| 4144 | Ratwatta | Sri Lanka, Central Province Matale District > Ukuwela Division > Rathwatta | locality | N 7° 24′ 43'' | E 80° 39′ 16'' |
| 4145 | Rattanadeniya | Sri Lanka, Uva Province Moneragala District > Medagama Division > Rattanadeniya | locality | N 6° 56′ 39'' | E 81° 16′ 50'' |
| 4146 | Ratninda | Sri Lanka, Central Province Nuwara Eliya District > Hanguranketa > Dehipe | locality | N 7° 7′ 11'' | E 80° 47′ 33'' |
| 4147 | Ratnatuwa | Sri Lanka, North Western Province Kurunegala District > Panduwasnuwara East > Dunupotha | locality | N 7° 34′ 12'' | E 80° 10′ 24'' |
| 4148 | Ratmiwala Ratmeewala,Ratmiwala | Sri Lanka, Central Province Kandy District > Yatinuwara Division > Madiligama | populated place | N 7° 16′ 33'' | E 80° 30′ 6'' |
| 4149 | Ratmalwetiya Rathmalwetiya,Ratmalawetiya,Ratmalwetiya | Sri Lanka, North Western Province Kurunegala District > Nikaweratiya > Kirindigalla1 | populated place | N 7° 45′ 0'' | E 80° 13′ 0'' |
| 4150 | Ratmale | Sri Lanka, North Western Province Kurunegala District > Wariyapola Division > Mamunuwa | locality | N 7° 38′ 14'' | E 80° 14′ 27'' |
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