S
| Name | Nationality | Century | Main area/s explored |
|---|---|---|---|
| Edward Sabine | Irish | 19th | Arctic |
| Kira Salak | American | 20th/21st century | Papua New Guinea, Mali, Bhutan |
| Sándor Kőrösi Csoma | Hungarian | early 19th | Tibet |
| João de Santarém | Portuguese | 15th | São Tomé and Príncipe islands |
| Rabban Bar Sauma | Turco-Mongol | 13th | Europe, Middle East |
| Johann Schiltberger | German | 15th | Central Asia |
| Willem Schouten | Dutch | 17th | South Pacific (Cape Horn, Tonga Islands, Wallis and Futuna) |
| Georg August Schweinfurth | German/Russian | 19th | East and Central Africa |
| Robert Falcon Scott | British | 19th/20th | Antarctica (South Pole) |
| Scylax of Caryanda | ancient Greek | 6th BC | Indus River, Indian Ocean, Red Sea |
| Tibor Sekelj | Croat | 20th | Argentina |
| Mirko and Stjepan Seljan | Croat | early 20th | Ethiopia, South America |
| Symon Semeonis | Hiberno-Norman | 14th | Jerusalem, Albania |
| Alexandre de Serpa Pinto | Portuguese | 19th | African continent |
| Francisco Serrão | Portuguese | 16th century | Indonesia |
| Ernest Shackleton | British | early 20th | Antarctica |
| Eric Shipton | British | 20th | Mount Everest, southern Patagonia |
| Tanaka Shōsuke | Japanese | 17th | Mexico |
| Diogo Silves | Portuguese | 15th | Azores |
| Pêro de Sintra | Portuguese | 15th | west African coast, Sierra Leone |
| William Smith | British | early 19th | South Shetland Islands |
| J. Dewey Soper | Canadian | 20th | Canadian Arctic |
| Hernando de Soto | Spanish | 16th | Central America, southern United States |
| Martim Afonso de Sousa | Portuguese | 16th | Brazilian interior |
| John Hanning Speke | British | 19th | eastern Africa |
| Hans Staden | German | 16th | Brazil |
| William Grant Stairs | Canadian | 19th | central Africa |
| Ed Stafford | British | 21st | Amazon |
| Henry Morton Stanley | British | 19th | eastern Africa |
| Vilhjalmur Stefansson | Canadian | 20th | Canadian Arctic |
| Marc Aurel Stein | Hungarian/British | 19th/20th | central Asia |
| John Lloyd Stephens | American | 19th | Middle East, Mesoamerica (Mayan remains) |
| Paweł Strzelecki | Polish/British | 19th | the Americas, Australia (Gippsland) |
| John McDouall Stuart | British Australian | 19th | Australian interior |
| Charles Sturt | British | 19th | Australian interior |
| King Gardar Svavarsson | Swedish | 9th | Iceland |
| Otto Sverdrup | Norwegian | 19th/20th | Arctic |
| Ignacije Szentmartony | Croat | 18th | Amazon River |
Read more about this topic: List Of Explorers