| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
3051  | Sompiomarasto Sombejomarastat,Sompiomarasto | Finland, Lapland Tunturi-Lappi > Kittilä | hill | N 68° 17′ 59'' | E 25° 11′ 7'' |
| 3052 | Sommarön Sommaro,Sommaron,Sommarö,Sommarön | Finland, Southwest Finland Åboland-Turunmaa > Pargas | island | N 59° 57′ 11'' | E 21° 37′ 31'' |
| 3053 | Sommarön Sommaro,Sommaron,Sommarö,Sommarön | Finland, Uusimaa | section of peninsula | N 60° 17′ 9'' | E 26° 1′ 54'' |
| 3054 | Sommarön Sommaro,Sommaron,Sommarö,Sommarön | Finland, Southwest Finland Åboland-Turunmaa > Kimitoön | island | N 59° 50′ 53'' | E 22° 23′ 24'' |
| 3055 | Somerovaara Somerovaara | Finland, North Ostrobothnia Oulu > Oulu | hill | N 65° 13′ 37'' | E 26° 7′ 36'' |
| 3056 | Solccar Solccar,Sollsar | Finland, Lapland Pohjois-Lappi > Utsjoki | mountain | N 69° 21′ 9'' | E 25° 49′ 56'' |
| 3057 | Solljunčopma Soljuntshobma,Solljuncopma,Solljunčopma | Finland, Lapland Pohjois-Lappi > Utsjoki | hill | N 69° 25′ 21'' | E 26° 35′ 44'' |
| 3058 | Södra Strängskär Sodra Strangskar,Stor-Strangskar,Stor-Strängskär,Södra Strängskär | Finland, Southwest Finland Åboland-Turunmaa > Kimitoön | island | N 59° 53′ 59'' | E 22° 3′ 2'' |
| 3059 | Södra Mågsholmen Sodra Magsholm,Sodra Magsholmen,Södra Mågsholm,Södra Mågsholmen | Finland, Southwest Finland Åboland-Turunmaa > Kimitoön | island | N 60° 0′ 24'' | E 22° 37′ 9'' |
| 3060 | Södö Sodo,Soide,Södö,Söide | Finland, Southwest Finland Åboland-Turunmaa > Pargas | island | N 60° 21′ 0'' | E 21° 25′ 35'' |
| 3061 | Söderskär Soder Skars,Soderskar,Söder Skars,Söderskär | Finland, Uusimaa Porvoo > Porvoo | islands | N 60° 6′ 29'' | E 25° 24′ 19'' |
| 3062 | Söderön Sodero,Soderon,Söderö,Söderön | Finland, Southwest Finland Åboland-Turunmaa > Kimitoön | island | N 59° 50′ 38'' | E 22° 7′ 32'' |
| 3063 | Södergrund Sodergrund,Sodergrunden,Södergrund,Södergrunden | Finland, Uusimaa Helsinki sub-region > Kirkkonummi | island | N 59° 57′ 26'' | E 24° 29′ 17'' |
| 3064 | Mansikkasaari Smultero,Smulteron,Smulterö,Smulterön | Finland, Ostrobothnia | island | N 63° 6′ 20'' | E 21° 34′ 58'' |
| 3065 | Smörgrund Smergrund,Smorgrund,Smörgrund | Finland, Southwest Finland Åboland-Turunmaa > Pargas | rock | N 60° 10′ 31'' | E 21° 26′ 49'' |
| 3066 | Skötgrund Shetgrund,Skotgrund,Skötgrund | Finland, Ostrobothnia Vaasa > Korsholm | island | N 63° 9′ 38'' | E 20° 56′ 45'' |
| 3067 | Skötgrund Shetgrund,Skotgrund,Skötgrund | Finland, Ostrobothnia Sydösterbotten > Närpes | island | N 62° 17′ 27'' | E 21° 14′ 59'' |
| 3068 | Skogskär Skogskar,Skogskär,Skogsskar,Skogsskär | Finland, Southwest Finland | island | N 59° 58′ 53'' | E 22° 15′ 45'' |
| 3069 | Skeppö Skeppo,Skeppö,Skippo,Skippö | Finland, Uusimaa Raseborg > Ingå | island | N 59° 56′ 4'' | E 23° 58′ 34'' |
| 3070 | Skierrevađđa Skierrevadda,Skierrevađđa,Skierrivodda,Skierrivođđa | Finland, Lapland Pohjois-Lappi > Utsjoki | hill | N 69° 44′ 37'' | E 26° 32′ 5'' |
| 3071 | Skierrefális Skierrefalis,Skierrefális,Skierrifalis,Skierrifälis | Finland, Lapland Pohjois-Lappi > Utsjoki | hill | N 69° 31′ 59'' | E 26° 46′ 54'' |
| 3072 | Skierreoaivve Skierreoaive,Skierreoaivve | Finland, | mountain | N 68° 44′ 0'' | E 22° 39′ 0'' |
| 3073 | Skeppsholmen Skeppsholm,Skeppsholmen | Finland, Southwest Finland Åboland-Turunmaa > Kimitoön | peninsula | N 60° 6′ 37'' | E 22° 51′ 12'' |
| 3074 | Storskarven Skarven,Storskarven | Finland, Uusimaa Loviisa > Loviisa | island | N 60° 17′ 8'' | E 26° 20′ 3'' |
| 3075 | Skärritunturi Skarrevadda,Skarritunturi,Skárrevađđa,Skärritunturi | Finland, Lapland Pohjois-Lappi > Inari | hill | N 68° 31′ 9'' | E 25° 0′ 2'' |
| 3076 | Skarpskär Skarpen,Skarpskar,Skarpskär | Finland, Southwest Finland | island | N 60° 0′ 0'' | E 21° 0′ 0'' |
| 3077 | Stuorra Skállovárri Skalluvarri,Skalluvärri,Stuorra Skallovarri,Stuorra Skállovárri | Finland, Lapland Pohjois-Lappi > Utsjoki | mountain | N 69° 45′ 52'' | E 27° 12′ 53'' |
| 3078 | Skadjavárri Skadjavarri,Skadjavárri,Skadjavärri | Finland, Lapland Pohjois-Lappi > Utsjoki | mountain | N 69° 43′ 19'' | E 26° 9′ 34'' |
| 3079 | Sivakkavaara Sivakkavaara | Finland, Lapland Pohjois-Lappi > Sodankylä | hill | N 67° 33′ 15'' | E 25° 57′ 49'' |
| 3080 | Siltasaaret Saldainsuolluuh,Siltasaaret,Šaldainsuolluuh | Finland, Lapland Pohjois-Lappi > Inari | islands | N 68° 59′ 3'' | E 27° 41′ 40'' |
| 3081 | Silbadatvárri Silbadatvarri,Silbadatvárri,Silbavarri,Silbavärri | Finland, Lapland Pohjois-Lappi > Utsjoki | hill | N 69° 25′ 49'' | E 26° 27′ 6'' |
| 3082 | Siilinsalo Siilinsalo | Finland, Central Finland | island | N 63° 9′ 1'' | E 25° 37′ 54'' |
| 3083 | Siikasaari Siikasaari,Silkasaari | Finland, North Karelia Joensuu > Liperi | island | N 62° 29′ 8'' | E 29° 21′ 27'' |
| 3084 | Siffarnjanna Siffarnjanna | Finland, Lapland Pohjois-Lappi > Inari | hill | N 69° 3′ 0'' | E 26° 0′ 0'' |
| 3085 | Sieppikero Sieppikero | Finland, Lapland Tunturi-Lappi > Muonio | hill | N 68° 5′ 57'' | E 23° 57′ 6'' |
| 3086 | Sepruvaara Sepruvaara | Finland, Lapland Pohjois-Lappi > Sodankylä | hill | N 67° 28′ 37'' | E 27° 8′ 55'' |
| 3087 | Selkäsaari Selkakari,Selkasaari,Selkäsaari | Finland, Lapland Kemi-Tornio > Kemi | island | N 65° 42′ 57'' | E 24° 31′ 28'' |
| 3088 | Savivaara Savivaara | Finland, Kainuu Kehys-Kainuu > Suomussalmi | hill | N 65° 2′ 11'' | E 28° 46′ 29'' |
| 3089 | Maaimmainen Sotatunturi Maaimmainen Sotatunturi,Sautunturi | Finland, Lapland Itä-Lappi > Savukoski | hill | N 67° 41′ 44'' | E 29° 0′ 42'' |
| 3090 | Sároaivvit Saroaivvit,Sauretuoddarak,Sároaivvit | Finland, Lapland | hills | N 69° 18′ 18'' | E 26° 18′ 6'' |
| 3091 | Sattasvaara Sattasvaara | Finland, Lapland Pohjois-Lappi > Sodankylä | hill | N 67° 36′ 41'' | E 26° 22′ 45'' |
| 3092 | Sarvivaara Sarvivaara | Finland, North Ostrobothnia Koillismaa > Kuusamo | hill | N 66° 25′ 31'' | E 28° 49′ 57'' |
| 3093 | Sarviniemi Cuarvinjarga,Sarviniemi,Čuárvinjargâ | Finland, Lapland Pohjois-Lappi > Inari | peninsula | N 68° 55′ 12'' | E 27° 7′ 14'' |
| 3094 | Iso-Sarrio Iso-Sarrio,Sarrio | Finland, Lapland Pohjois-Lappi > Sodankylä | hill | N 67° 26′ 34'' | E 25° 51′ 9'' |
| 3095 | Santio Sandoe,Sandö | Finland, Kymenlaakso Kotka-Hamina > Virolahti | island | N 60° 27′ 50'' | E 27° 43′ 30'' |
| 3096 | Santaniemi Sandaniemi,Santaniemi | Finland, Kymenlaakso Kotka-Hamina > Kotka | point | N 60° 27′ 37'' | E 27° 1′ 49'' |
| 3097 | Santakari Sandakariholmen,Santakari,Santakarit | Finland, Satakunta | island | N 61° 41′ 22'' | E 21° 23′ 32'' |
| 3098 | Santakari Niemi-Santakari,Sandskaer,Sandskär,Santakari | Finland, Satakunta Rauma > Rauma | island | N 61° 6′ 31'' | E 21° 16′ 58'' |
| 3099 | Iso Santakari Iso Santakari,Santakari | Finland, Southwest Finland Vakka-Suomi > Uusikaupunki | island | N 60° 56′ 0'' | E 21° 7′ 48'' |
| 3100 | Sandö Sando,Sandon,Sandö,Sandön | Finland, Uusimaa Loviisa > Loviisa | island | N 60° 19′ 15'' | E 26° 15′ 55'' |
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