| Shakespeare Playhouse of New York, The | The Shakespeare Playhouse of New York | 1921 | 1 | |
| Stamsund Internasjonale Teaterfestival | Stamsund Internasjonale Teaterfestival | 2012 | 1 | |
| Skuespillerlinjen | Skuespillerlinjen | 1992 | 1 | |
| Svenska Inhemska Teatern | Svenska Inhemska Teatern | 1897 | 5 | |
| Sundrive Players, The | The Sundrive Players | 1965 | 1 | |
| Städtische Bühnen Düsseldorf | Städtische Bühnen Düsseldorf | 1946 | 1 | |
| Schauspiel Bonn | Schauspiel Bonn | 1987 – 2006 | 11 | |
| Skien International Ibsen Conference 2009 | Skien International Ibsen Conference 2009 | 2009 | 1 | |
| Sydney Opera House Trust | Sydney Opera House Trust | 1976 | 1 | |
| Scotland's National Young People's Theatre Festival | Scotland's National Young People's Theatre Festival | 2010 | 1 | |
| Societa per Attori e Parol&Musica, La | La Societa per Attori e Parol&Musica | 2002 – 2005 | 16 | |
| Singapore Arts Festival | Singapore Arts Festival | 2007 | 1 | |
| Sommerteateret | Sommerteateret | 2006 | 1 | |
| Städtische Theater Leipzig | Städtische Theater Leipzig | 1913 – 1928 | 40 | |
| Shanghai International Studies University | Shanghai International Studies University | 2010 | 1 | |
| Suomen Kansallisteatteri | Suomen Kansallisteatteri | 1891 – 2005 | 13 | |
| Städtische Bühnen Frankfurt am Main | Städtische Bühnen Frankfurt am Main | 1937 | 2 | |
| Saarländischer Rundfunk | Saarländischer Rundfunk | 1974 | 2 | 1 |
| Statens teaterhøgskole | Statens teaterhøgskole | 1994 – 2003 | 9 | 3 |
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