| Sweden | Sweden | Sweden, Sweden | 1917-01-29 | -- | 1917–1970 | 3 | |
| Säffle | Säffle | Sweden, Säffle | 1911-06-29 | -- | 1911–1973 | 2 | |
| Säter | Säter | Sweden, Säter | 1989-10-20 | 1989-10-20 | 1989 | 1 | |
| Sommarfesten i Säters dal | Sommarfesten i Säters dal | Sweden, Säter | 1911-07-02 | -- | 1911 | 1 | |
| Söderhamns teater | Söderhamns teater | Sweden, Söderhamn, Norrtullsgatan 12 | 1881-05-18 | -- | 1881–2010 | 3 | |
| Stigbergets Borgarrum | Stigbergets Borgarrum | Sweden, Södermalm, Stockholm, Fjällgatan 34 | 2008-08-12 | 2008-08-16 | 2008 | 1 | |
| Södertälje Stadsscen Estrad | Södertälje Stadsscen Estrad | Sweden, Södertälje, Campusgatan 26 | 2011-03-17 | -- | 2011 | 1 | |
| Södermanlands - Nerikes nationsteater | Södermanlands - Nerikes nationsteater | Sweden, Uppsala, St. Olofsgatan 16. | 1999-05-05 | 1999-05-10 | 1999 | 1 | |
| Storsjöyran-festivalen i Östersund | Storsjöyran-festivalen i Östersund | Sweden, Östersund, Prästgatan 40 | 2000-07-25 | 2000-07-26 | 2000 | 1 | |
| Storsjöteatern | Storsjöteatern | Sweden, Östersund, Residensgränd 10 | 2006-11-11 | -- | 2006–2010 | 2 | |
| Studio Bern | Studio Bern | Switzerland | 1956-05-17 | -- | 1956 | 1 | |
| Schönenberg ZH | Schönenberg ZH | Switzerland | 2002-09-19 | -- | 2002 | 1 | |
| Stäfa | Stäfa | Switzerland | 2002-04-11 | -- | 2002 | 1 | |
| Sala Polivalenta | Sala Polivalenta | Switzerland, Alvaschein | 1995-11-17 | 1995-11-18 | 1995 | 1 | |
| Stadttheater Basel | Stadttheater Basel | Switzerland, Basel | 1887-10-28 | 1946-11-17 | 1887–1966 | 47 | |
| Schänzli-Theater | Schänzli-Theater | Switzerland, Bern | 1889-06-01 | 1889-08-24 | 1889–1900 | 4 | |
| Stadttheater Bern | Stadttheater Bern | Switzerland, Bern, Königstrasse 161 | 1887-10-26 | 2023-06-28 | 1887–2023 | 59 | |
| Städtebundtheater Biel-Solothurn | Städtebundtheater Biel-Solothurn | Switzerland, Biel-Solothurn | 1937-10-12 | 1996-04-13 | 1937–1996 | 13 | |
| Stadttheater Biel | Stadttheater Biel | Switzerland, Biel, Burggasse 19 | 2003-01-14 | 2019-11-03 | 2003–2019 | 5 | |
| Stadttheater Chur | Stadttheater Chur | Switzerland, Chur | 1946-03-06 | -- | 1946–2014 | 8 | |
| Stadthaus | Stadthaus | Switzerland, Dietikon | 2011-01-14 | -- | 2011 | 1 | |
| Schulhausplatz | Schulhausplatz | Switzerland, Ennetbaden | 1991-08-17 | -- | 1991 | 1 | |
| Saal Hotel Erlibacherhof | Saal Hotel Erlibacherhof | Switzerland, Erlenbach | 2002-03-06 | -- | 2002 | 1 | |
| Sportzentrum Eselriet | Sportzentrum Eselriet | Switzerland, Illnau-Effretikon, Sportplatzstrasse 4 | 2003-12-03 | -- | 2003 | 1 | |
| Stadttheater Luzern | Stadttheater Luzern | Switzerland, Lucerne, Theaterstrasse 2 | 1895-10-28 | 2011-01-20 | 1895–2010 | 19 | |
| Stadttheater Olten | Stadttheater Olten | Switzerland, Olten, Froburgstrasse 1 | 1928-03-29 | -- | 1928–2019 | 21 | |
| Saalbau Reinach | Saalbau Reinach | Switzerland, Reinach, Hauptstrasse | 2003-12-12 | -- | 2003 | 1 | |
| Stadttheater Schaffhausen | Stadttheater Schaffhausen | Switzerland, Schaffhausen, Herrenacker 23 | 1935-11-23 | 2021-09-17 | 1935–2021 | 3 | |
| Stadttheater Solothurn | Stadttheater Solothurn | Switzerland, Solothurn, Theatergasse 18 | 2003-01-08 | 2019-11-16 | 2003–2019 | 5 | |
| Stadttheater St. Gallen | Stadttheater St. Gallen | Switzerland, St. Gallen, Museumstrasse 1 | 1893-01-30 | 2016-05-17 | 1893–2016 | 20 | |
| Strengelbach | Strengelbach | Switzerland, Strengelbach | 1991-09-13 | -- | 1991 | 1 | |
| Stadttheater Sursee | Stadttheater Sursee | Switzerland, Sursee, Theaterstrasse 5 | 1997-10-17 | 1997-10-17 | 1997 | 1 | |
| Stadttheater Sursee | Stadttheater Sursee | Switzerland, Sursee, Theaterstrasse 5 | 2002-09-08 | -- | 2002–2005 | 2 | |
| Switzerland | Switzerland | Switzerland, Switzerland | 1965-12-19 | -- | 1965 | 1 | |
| Schulhaus Buck | Schulhaus Buck | Switzerland, Tagelswangen, Falkenstrasse 1 | 2002-11-30 | -- | 2002 | 1 | |
| Stadtkeller | Stadtkeller | Switzerland, Unterseen | 1985-11-15 | 1985-11-16 | 1985–2010 | 2 | |
| Schulhausplatz | Schulhausplatz | Switzerland, Untersiggenthal | 1991-08-16 | -- | 1991 | 1 | |
| Stadthofsaal Uster | Stadthofsaal Uster | Switzerland, Uster, Theaterstr. 1 | 2001-04-01 | -- | 2001–2003 | 2 | |
| Sala Grava | Sala Grava | Switzerland, Veia Sandeilas, Savognin | 1995-11-25 | 1995-11-26 | 1995 | 1 | |
| Stadtsaal Wil | Stadtsaal Wil | Switzerland, Wil, Bahnhofpl. 6 | 2003-12-19 | 2003-12-20 | 2003 | 1 | |
| Sommertheater Winterthur | Sommertheater Winterthur | Switzerland, Winterthur, Stadthausstrasse 8 | 1956-06-15 | -- | 1956 | 1 | |
| Stadt Theater | Stadt Theater | Switzerland, Winterthur, Theaterstrasse 6, | 2002-09- | -- | 2002 | 1 | |
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