| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1501  | Svinö Sommaro,Sommaroarna,Sommarö,Suino,Svino,Svinö | Finland, Uusimaa Helsinki sub-region > Espoo | island | N 60° 7′ 38'' | E 24° 42′ 47'' |
| 1502 | Svettgrund Svetgrund,Svettgrund | Finland, Ostrobothnia Vaasa > Korsnäs | island | N 62° 52′ 3'' | E 21° 4′ 15'' |
| 1503 | Svartön Svarten,Svarto,Svarton,Svartö,Svartön | Finland, Ostrobothnia Sydösterbotten > Närpes | island | N 62° 20′ 9'' | E 21° 18′ 40'' |
| 1504 | Svartholmen Svareho,Svarehö,Svartholm,Svartholmen | Finland, Uusimaa Loviisa > Loviisa | island | N 60° 21′ 47'' | E 26° 31′ 23'' |
| 1505 | Svartholmen Svart,Svartholm,Svartholmen | Finland, Uusimaa Raseborg > Raseborg | island | N 59° 52′ 24'' | E 23° 18′ 8'' |
| 1506 | Svärteshäran Svartesharan,Svartesharun,Svartesskaren,Svartisharun,Svärtesharun,Svärteshäran,Svärtesskären,Svärtis... | Finland, Southwest Finland | rocks | N 60° 12′ 27'' | E 21° 4′ 11'' |
| 1507 | Ketolansaari Ketolansaari,Suursaari | Finland, North Karelia Keski-Karjala > Kitee | island | N 62° 1′ 13'' | E 29° 36′ 58'' |
| 1508 | Suuri-Pisi Pisi-sari,Suuri-Pisi,Suurpisi | Finland, Kymenlaakso Kotka-Hamina > Virolahti | island | N 60° 26′ 51'' | E 27° 37′ 59'' |
| 1509 | Suurniemi Sur-nemi,Suurniemi | Finland, Kymenlaakso | peninsula | N 60° 30′ 58'' | E 27° 11′ 53'' |
| 1510 | Marjakari Majakari,Marjakari,Suurmarja | Finland, Kymenlaakso Kotka-Hamina > Kotka | island | N 60° 17′ 48'' | E 27° 6′ 28'' |
| 1511 | Suuri-Vasko Sur Vaska,Suur Vasikkasaari,Suuri Vasikkasaari,Suuri-Vasko | Finland, Kymenlaakso | section of island | N 60° 25′ 34'' | E 27° 27′ 31'' |
| 1512 | Suttesvárri Suttesvarri,Suttesvárri,Suttisvarri | Finland, Lapland Pohjois-Lappi > Utsjoki | hill | N 69° 21′ 45'' | E 26° 37′ 33'' |
| 1513 | Susirova Susirava,Susirova,Susivaara | Finland, Lapland Rovaniemi > Rovaniemi | hill | N 66° 33′ 9'' | E 25° 4′ 14'' |
| 1514 | Suhpevuopmi Suhpevuopmi,Suppivouma,Suppivuoma | Finland, Lapland | valley | N 68° 52′ 37'' | E 21° 22′ 56'' |
| 1515 | Suppivaara Suhpevarri,Suhpevárri,Suppivaara | Finland, Lapland Tunturi-Lappi > Enontekiö | hill | N 68° 52′ 4'' | E 21° 15′ 38'' |
| 1516 | Suobbatoaivi Suobbatoaivi,Suoppkoaivi | Finland, Lapland Pohjois-Lappi > Utsjoki | mountain | N 69° 38′ 5'' | E 26° 11′ 50'' |
| 1517 | Suoppâjävruáivi Suoppajavruaivi,Suoppaoaivi,Suoppâjävruáivi | Finland, Lapland Pohjois-Lappi > Inari | mountain | N 69° 7′ 39'' | E 26° 40′ 9'' |
| 1518 | Suonttavaara Suonttavaara,Suovditvarri,Suovditvárri | Finland, Lapland Tunturi-Lappi > Enontekiö | hill | N 68° 22′ 15'' | E 23° 14′ 30'' |
| 1519 | Sundharun Sundharu,Sundharun,Sunharun | Finland, Uusimaa Raseborg > Raseborg | rock | N 59° 47′ 26'' | E 23° 33′ 0'' |
| 1520 | Sondarö Sondara,Sondaro,Sondarö,Sundaro,Sundarö | Finland, Uusimaa Loviisa > Loviisa | island | N 60° 17′ 34'' | E 26° 3′ 39'' |
| 1521 | Sumari Sumari,Sumarinsaari,Sumarisaari,Summarsari | Finland, Kymenlaakso | island | N 60° 31′ 9'' | E 27° 43′ 34'' |
| 1522 | Sukoiva Sukoiva,Sukuoiva | Finland, Lapland Itä-Lappi > Savukoski | hill | N 67° 47′ 34'' | E 28° 11′ 18'' |
| 1523 | Styrsholmarna Styrholmarna,Styrholmarne,Styrsholmarna | Finland, Southwest Finland Åboland-Turunmaa > Pargas | islands | N 59° 56′ 20'' | E 21° 53′ 53'' |
| 1524 | Stuorrâskäiđi Stuorraskaidi,Stuorraskáidi,Stuorraskäidi,Stuorrâskäiđi | Finland, Lapland Pohjois-Lappi > Inari | mountain | N 69° 13′ 48'' | E 26° 12′ 39'' |
| 1525 | Stuorrahanoaivi Stuorra-oaivi,Stuorrahanoaivi,Stuorroaivi | Finland, Lapland Tunturi-Lappi > Enontekiö | hill | N 68° 41′ 0'' | E 22° 44′ 39'' |
| 1526 | Stuorra-Mávnna Stuorra-Mavnna,Stuorra-Mávnna,Stuorramauna | Finland, Lapland Pohjois-Lappi > Utsjoki | mountain | N 69° 41′ 13'' | E 26° 11′ 27'' |
| 1527 | Stuorrageađggegielas Stuorrageadggegielas,Stuorrageađggegielas,Stuorrakeadgikielas,Stuorrakeädgikielas | Finland, Lapland | hill | N 69° 49′ 10'' | E 26° 34′ 22'' |
| 1528 | Ávžegašoaivi Avzegasoaivi,Avzikesuaivi,Stuor Avdshigas,Stuor Ävdshigas,Stuor-Audshigas,Ávžegašoaivi,Ävžikešuáivi | Finland, Lapland Pohjois-Lappi > Utsjoki | hill | N 69° 15′ 2'' | E 26° 3′ 37'' |
| 1529 | Stuorrabogeoaivi Pohjois Skietshoaivi,Stuoraboggioaivi,Stuorrabogeoaivi,Stuorraboggioaivi | Finland, Lapland Pohjois-Lappi > Inari | mountain | N 68° 47′ 12'' | E 25° 12′ 36'' |
| 1530 | Stubbön Stubben,Stubbo,Stubbon,Stubbö,Stubbön | Finland, Southwest Finland Åboland-Turunmaa > Kimitoön | island | N 59° 51′ 44'' | E 22° 7′ 38'' |
| 1531 | Strömmingsgrundet Stroming Grund,Strommingsgrund,Strommingsgrundet,Strömmingsgrund,Strömmingsgrundet | Finland, Uusimaa Porvoo > Porvoo | island | N 60° 11′ 45'' | E 26° 4′ 13'' |
| 1532 | Stora Trutören Stor Trutor,Stor Trutoren,Stor Trutör,Stor Trutören,Stora Trutoren,Stora Trutören | Finland, Ostrobothnia Vaasa > Korsholm | island | N 63° 20′ 40'' | E 21° 37′ 40'' |
| 1533 | Svedjeholmen Stor-Svedjeholm,Stor-Svedjeholmen,Svedjeholm,Svedjeholmen | Finland, Uusimaa | island | N 60° 19′ 31'' | E 25° 54′ 4'' |
| 1534 | Storstensören Storstensora,Storstensoren,Storstensorn,Storstensöra,Storstensören,Storstensörn | Finland, Ostrobothnia Vaasa > Korsholm | island | N 63° 16′ 48'' | E 21° 4′ 36'' |
| 1535 | Storstensören Storstensor,Storstensoren,Storstensör,Storstensören,Stursten | Finland, Ostrobothnia Vaasa > Korsholm | island | N 63° 19′ 47'' | E 21° 35′ 32'' |
| 1536 | Stora Slädaskär Sledaskar,Sledaskär,Stor Sladaskar,Stor Sledaskar,Stor Sledaskär,Stor Slädaskär,Stora Sladaskar,Stor... | Finland, Southwest Finland Åboland-Turunmaa > Pargas | island | N 60° 27′ 13'' | E 21° 8′ 45'' |
| 1537 | Storskatan Storskata,Storskatan,Sturskatan | Finland, Ostrobothnia Sydösterbotten > Närpes | peninsula | N 62° 25′ 18'' | E 21° 10′ 36'' |
| 1538 | Storskäret Kirkegardskaret,Kirkegårdskäret,Storskar,Storskaret,Storskär,Storskäret | Finland, Ostrobothnia Vaasa > Malax | island | N 63° 6′ 49'' | E 20° 48′ 6'' |
| 1539 | Storskär Hermansor,Hermansoren,Hermansör,Hermansören,Khermanseren,Storskar,Storskär | Finland, Ostrobothnia | cape | N 62° 37′ 0'' | E 21° 6′ 0'' |
| 1540 | Storsanden Storsand,Storsanden,Stursanden | Finland, Ostrobothnia Vaasa > Malax | island | N 63° 4′ 49'' | E 20° 43′ 50'' |
| 1541 | Storramsjö Stor Ramsjo,Stor Ramsjö,Stor Ramso,Stor Ramsö,Stur Ramso,Stur Ramsö | Finland, Uusimaa Raseborg > Ingå | island | N 60° 0′ 15'' | E 23° 54′ 49'' |
| 1542 | Storön Storo,Storon,Storö,Storön,Sturon,Sturön | Finland, Uusimaa Raseborg > Raseborg | island | N 59° 56′ 59'' | E 23° 4′ 16'' |
| 1543 | Storön Storen,Storo,Storon,Storö,Storön | Finland, Southwest Finland Åboland-Turunmaa > Kimitoön | island | N 59° 51′ 42'' | E 22° 5′ 20'' |
| 1544 | Storön Storo,Storon,Storö,Storön,Sturen | Finland, Ostrobothnia Jakobstadsregionen > Nykarleby | island | N 63° 24′ 55'' | E 22° 15′ 24'' |
| 1545 | Storön Storo,Storon,Storö,Storön,Sturen | Finland, Ostrobothnia | peninsula | N 62° 19′ 18'' | E 21° 18′ 50'' |
| 1546 | Storön Storo,Storon,Storö,Storön,Sturen | Finland, Southwest Finland Åboland-Turunmaa > Kimitoön | island | N 59° 55′ 47'' | E 22° 45′ 12'' |
| 1547 | Storön Storo,Storon,Storö,Storön,Stura On,Stura Ön | Finland, Uusimaa Raseborg > Raseborg | island | N 59° 54′ 40'' | E 23° 39′ 28'' |
| 1548 | Stora Måsskär Stor Masskar,Stor Mosker,Stor Måsskär,Stora Masskar,Stora Måsskär | Finland, Southwest Finland Åboland-Turunmaa > Kimitoön | island | N 59° 48′ 35'' | E 22° 13′ 37'' |
| 1549 | Stormälö Malo,Mälö,Stor Melo,Stor Melö,Stora Malo,Stora Malö,Stormalo,Stormälö | Finland, Southwest Finland Åboland-Turunmaa > Pargas | island | N 60° 15′ 21'' | E 22° 8′ 53'' |
| 1550 | Somášoaivi Somaoaivi,Somashoaivi,Somasoaivi,Somasoaivve,Somáoaivi,Somášoaivi | Finland, | hill | N 69° 16′ 35'' | E 21° 37′ 36'' |
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