| Stantonbury Theatre | Stantonbury Theatre | England, Milton Keynes, Stantonbury | 2014-03-14 | 2018-10-23 | 2014–2018 | 4 | |
| Socialist Hall, Royal Arcade | Socialist Hall, Royal Arcade | England, Newcastle upon Tyne, Pilgrim Street | 1922-10-21 | 1922-10-28 | 1922 | 1 | |
| Stahl Theatre | Stahl Theatre | England, Oundle, West Street | 1985-02-01 | 2013-09-20 | 1985–2018 | 5 | |
| South Parade Pier | South Parade Pier | England, Portsmouth | 1911-02-06 | 1911-04-01 | 1911 | 5 | |
| South Street Arts Centre | South Street Arts Centre | England, Reading, 21 South St | 2018-10-10 | -- | 2018 | 1 | |
| Salisbury Playhouse | Salisbury Playhouse | England, Salisbury, Malthouse Lane | 2013-10-15 | 2018-10-27 | 2013–2018 | 3 | |
| Saltash.net Community School | Saltash.net Community School | England, Saltash, Wearde Rd, | 2013-10-08 | 2013-10-09 | 2013 | 1 | |
| South Street Hall | South Street Hall | England, Sheffield | 1928-04-16 | -- | 1928 | 1 | |
| Sheringham Little Theatre | Sheringham Little Theatre | England, Sheringham, 2 Station Rd | 2004-04-22 | 2004-04-24 | 2004 | 1 | |
| Southall | Southall | England, Southall | -- | -- | | | |
| Southport | Southport | England, Southport | -- | -- | | | |
| St Leonards Palace Pier | St Leonards Palace Pier | England, St Leonards-on-Sea | 1913-07-21 | -- | 1913 | 1 | |
| Stafford Gatehouse | Stafford Gatehouse | England, Stafford, Eastgate St | 2014-03-22 | -- | 2014 | 1 | |
| Stamford Arts Centre | Stamford Arts Centre | England, Stamford, Lincolnshire, 27 St Mary's St | 1985-02-16 | -- | 1985–2018 | 3 | |
| Stockton-on-Tees | Stockton-on-Tees | England, Stockton-on-Tees | -- | -- | | | |
| Stoke on Trent Repertory Theatre | Stoke on Trent Repertory Theatre | England, Stoke-on-Trent, Leek Rd | 2007-04-17 | 2007-04-28 | 2007 | 1 | |
| Savoy Theatre | Savoy Theatre | England, Strand, London, Savoy Court | 1914-01- | -- | 1914 | 1 | |
| Swan Theatre, The | The Swan Theatre | England, Stratford-upon-Avon, Warwickshire, Waterside | 1994-04-27 | 2003-05-24 | 1994–2003 | 3 | |
| Stage Sixty at the Theatre Royal Stratford | Stage Sixty at the Theatre Royal Stratford | England, Stratford, London | 1965-04-06 | -- | 1965 | 1 | |
| Swindon Arts Centre | Swindon Arts Centre | England, Swindon, Devizes Rd | 2013-10-04 | -- | 2013–2017 | 2 | |
| Stoke St. Gregory Village Hall | Stoke St. Gregory Village Hall | England, Taunton | 2008-04-05 | -- | 2008 | 1 | |
| Swan Theatre | Swan Theatre | England, Worcester, Worcestershire, The Moors | 2003-10-16 | 2003-10-25 | 2003 | 1 | |
| Stadttheater Reval | Stadttheater Reval | Estonia, Tallinn | 1902-01-21 | -- | 1902 | 2 | |
| Stadttheater Dorpat | Stadttheater Dorpat | Estonia, Tartu | 1892-08-11 | -- | 1892 | 1 | |
| Sääksmäki | Sääksmäki | Finland | -- | -- | | | |
| Sininen Teatteri | Sininen Teatteri | Finland, Helsinki | 2006-11-02 | 2006-12-16 | 2006 | 1 | |
| Suomen Työväen Teatteri | Suomen Työväen Teatteri | Finland, Helsinki | 1949-11-12 | -- | 1949 | 1 | |
| Suomalainen Teatteri | Suomalainen Teatteri | Finland, Helsinki, 1 Läntinen Teatterikuja | 1880-02-25 | -- | 1880–1930 | 24 | 1 |
| Suomen Kansallisteatteri | Suomen Kansallisteatteri | Finland, Helsinki, 1 Läntinen Teatterikuja | 1891-- | 2008-05-24 | 1891–2014 | 35 | |
| Svenska Teatern | Svenska Teatern | Finland, Helsinki, Pohjoisesplanadi 2 | 1887-03-30 | 2008-04-19 | 1887–2007 | 73 | |
| Seinäjoen Kaupunginteatteri | Seinäjoen Kaupunginteatteri | Finland, Seinäjoki, Alvar Aallon katu 12 | 1989-04-09 | 1990-- | 1989–2013 | 2 | |
| Societetshuset i Tammerfors | Societetshuset i Tammerfors | Finland, Tampere | 1902-02-20 | -- | 1902 | 1 | |
| Salle des Lavandières | Salle des Lavandières | France, Ahuillé, rue Georges Landais | 2018-08-07 | -- | 2018 | 1 | |
| Scène nationale 61 | Scène nationale 61 (Scene nationale soixante-et-un) | France, Alençon, 2 Avenue de Basingstoke | 2000-01-24 | 2013-01-22 | 2000–2013 | 2 | |
| Studio-Théâtre d'Asnières-sur-Seine | Studio-Théâtre d'Asnières-sur-Seine | France, Asnières-sur-Seine, 3 Rue Edmond Fantin | 2014-12-11 | 2014-12-14 | 2014 | 1 | |
| Salle des Malassis | Salle des Malassis | France, Bagnolet, 36 rue Pierre et Marie Curie | 2004-02-13 | 2004-02-13 | 2004 | 1 | |
| Scène Nationale du Sud-Aquitain | Scène Nationale du Sud-Aquitain | France, Bayonne, 1 Rue Edouard Ducéré | 2018-12-05 | 2018-12-06 | 2018 | 1 | |
| Salle Jean Renoir (cinéma à Bois-Colombes) | Salle Jean Renoir (cinéma à Bois-Colombes) | France, Bois-Colombes, 7 Villa des Aubépines | 2007-11-17 | 2007-11-18 | 2007 | 1 | |
| Scènes des 3 ponts | Scènes des 3 ponts (Scenes des trois ponts) | France, Castelnaudary, 36-38, Rue du Général Dejean | 2018-04-12 | -- | 2018 | 1 | |
| Salle Chanzy | Salle Chanzy | France, Charleville-Mézières, 13, rue Delvincourt | 2013-09-24 | 2013-09-25 | 2013 | 1 | |
| Saint-Louis, Théâtre | Théâtre Saint-Louis | France, Cholet, Rue Jean Vilar | 2014-05-22 | -- | 2014 | 1 | |
| Scène National | Scène National | France, Dieppe, 1 Boulevard Berigny | 2000-11-09 | -- | 2000 | 1 | |
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