| Stara Zagora | Stara Zagora | Bulgaria, Stara Zagora | -- | -- | | | |
| Şinca Veche | Şinca Veche | Romania, Şinca Veche | -- | -- | | | |
| Santos | Santos | Brazil, Santos | -- | -- | | | |
| Sânmihaiu de Câmpie | Sânmihaiu de Câmpie | Romania, Sânmihaiu de Câmpie | -- | -- | | | |
| Šabac, Serbia | Šabac | Serbia | -- | -- | | | |
| Sânmihaiu German | Sânmihaiu German | Romania, Sânmihaiu German | -- | -- | | | |
| Sezimovo Ústí | Sezimovo Ústí | Czech Republic, Sezimovo Ústí | -- | -- | | | |
| Simeria | Simeria | Romania, Simeria | -- | -- | | | |
| Shetland | Shetland | Scotland, Shetland | -- | -- | | | |
| Stockton Performing Arts Center, Stockton College | Stockton Performing Arts Center, Stockton College | United States, Galloway, 101 Vera King Farris Dr | -- | -- | | | |
| Salzburg | Salzburg | Austria, Salzburg | -- | -- | | | |
| Stanford University | Stanford University | United States, San Francisco | -- | -- | | | |
| Sääksmäki | Sääksmäki | Finland | -- | -- | | | |
| Siderno | Siderno | Italy, Siderno | -- | -- | | | |
| Sveriges Radio | Sveriges Radio P1 Malmö | Sweden, Malmö, Baltzarsgatan 1 | -- | -- | | | |
| Sand Point Naval Base | Sand Point Naval Base | United States, Seattle, 7400 Sand Point Way NE | -- | -- | | | |
| San Francisco | San Francisco | United States, San Francisco | -- | -- | | | |
| Spain | Spain | Spain | -- | -- | | | |
| Selbu | Selbu | Norway, Selbu | -- | -- | | | |
| skandinaviske Gjestetourne, Den | Den skandinaviske Gjestetourne | Norway, Kristiania | -- | -- | | | |
| Sweet Home High School Auditorium | Sweet Home High School Auditorium | United States, Buffalo, 1901 Sweet Home Rd | -- | -- | | 1 | |
| Schwerin | Schwerin | Germany, Schwerin | -- | -- | | | |
| Sânpetru Mic | Sânpetru Mic | Romania, Sânpetru Mic | -- | -- | | | |
| Stockton-on-Tees | Stockton-on-Tees | England, Stockton-on-Tees | -- | -- | | | |
| Slatina | Slatina | Romania, Slatina | -- | -- | | | |
| Színház, Katona József | Katona József Színház | Hungary, Budapest, 1052 Budapest, Petőfi Sándor utca 6, Ungarn | -- | 2011-02-04 | 1974–2016 | 10 | |
| Sternberk | Sternberk | Czech Republic, Sternberk | -- | -- | | | |
| Snagov | Snagov | Romania, Snagov | -- | -- | | | |
| Szerencs | Szerencs | Hungary, Szerencs | -- | -- | | | |
| Slovenské národné divadlo Bratislava | Slovenské národné divadlo Bratislava | Slovak Republic, Bratislava, Pribinova 17 | -- | -- | | | |
| Săbed | Săbed | Romania, Săbed | -- | -- | | | |
| Saldus | Saldus | Latvia, Saldus | -- | -- | | | |
| Świdnicki Ośrodek Kultury | Świdnicki Ośrodek Kultury | Poland, Świdnica, Rynek 43 | -- | -- | | | |
| Storojineț | Storojineț | Ukraine, Storojineț | -- | -- | | | |
| Sinaia | Sinaia | Romania, Sinaia | -- | -- | | | |
| Staatsballett Berlin | Staatsballett Berlin | Germany | -- | -- | | | |
| Southall | Southall | England, Southall | -- | -- | | | |
| Skolimów | Skolimów | Poland, Skolimów | -- | -- | | | |
| Snåsa | Snåsa | Norway, Snåsa | -- | -- | | | |
| Státní divadlo v Ostravĕ | Státní divadlo v Ostravĕ | Czech Republic, Ostrava, ul. Čs. legií 148/14 | -- | -- | | | |
| Színművészeti Egyetem | Színművészeti Egyetem | Romania, Tîrgu-Mureş, str. Köteles S. nr.6 | -- | -- | | | |
| Silistra (Dârstor) | Silistra (Dârstor) | Bulgaria, Silistra (Dârstor) | -- | -- | | | |
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