| Southall | Southall | England, Southall | -- | -- | | | |
| Sheringham Little Theatre | Sheringham Little Theatre | England, Sheringham, 2 Station Rd | 2004-04-22 | 2004-04-24 | 2004 | 1 | |
| South Street Hall | South Street Hall | England, Sheffield | 1928-04-16 | -- | 1928 | 1 | |
| Saltash.net Community School | Saltash.net Community School | England, Saltash, Wearde Rd, | 2013-10-08 | 2013-10-09 | 2013 | 1 | |
| Salisbury Playhouse | Salisbury Playhouse | England, Salisbury, Malthouse Lane | 2013-10-15 | 2018-10-27 | 2013–2018 | 3 | |
| Studio Theatre | Studio Theatre | England, Salisbury | 2023-05-22 | 2023-05-27 | 2023 | 1 | |
| South Street Arts Centre | South Street Arts Centre | England, Reading, 21 South St | 2018-10-10 | -- | 2018 | 1 | |
| South Parade Pier | South Parade Pier | England, Portsmouth | 1911-02-06 | 1911-04-01 | 1911 | 5 | |
| Stahl Theatre | Stahl Theatre | England, Oundle, West Street | 1985-02-01 | 2013-09-20 | 1985–2018 | 5 | |
| Sewell Barn Theatre | Sewell Barn Theatre | England, Norwich | 2010-11-25 | 2010-12-04 | 2010 | 1 | |
| Socialist Hall, Royal Arcade | Socialist Hall, Royal Arcade | England, Newcastle upon Tyne, Pilgrim Street | 1922-10-21 | 1922-10-28 | 1922 | 1 | |
| Stantonbury Theatre | Stantonbury Theatre | England, Milton Keynes, Stantonbury | 2014-03-14 | 2018-10-23 | 2014–2018 | 4 | |
| Seagull Theatre, The | The Seagull Theatre | England, Lowestoft, 19-75 Morton Road | 2005-02-04 | 2005-02-05 | 2005–2010 | 2 | |
| St. Martin's Theatre | St. Martin's Theatre | England, London, West St | 1917-06-05 | -- | 1917–1964 | 3 | |
| Soho theatre | Soho Theatre | England, London, Soho Theatre Company Ltd 21 Dean Street | 2022-02-04 | 2022-03-13 | 2022 | 1 | |
| Southwark Playhouse | Southwark Playhouse | England, London, Shipwright Yard, Corner of Tooley St & Bermondsey St | 2003-11-04 | 2011-04-23 | 2003–2011 | 2 | |
| Sadler's Wells | Sadler's Wells | England, London, Rosebery Ave | 1936-05-05 | -- | 1936 | 1 | |
| St. George's Hall | St. George's Hall | England, London, Regent Street | 1900-10-05 | -- | 1900–1901 | 2 | |
| St. James Theatre | St. James Theatre | England, London, King Street | 1913-12-01 | -- | 1913–1925 | 3 | |
| Scala Theatre | Scala Theatre | England, London, Charlotte Street | 1906-01-28 | 1906-01-29 | 1906 | 1 | |
| School Of Dramatic Art | School Of Dramatic Art | England, London, 4 Bute Street | 1885-03-25 | 1885-03-26 | 1885 | 1 | |
| Space, The | The Space | England, London, 269 Westferry Road | 2010-11-24 | 2023-07-08 | 2010–2023 | 4 | |
| Sutton House | Sutton House | England, London, 2 and 4 Homerton High Street, Hackney | 2014-03-17 | 2014-03-20 | 2014 | 1 | |
| Saville Theatre | Saville Theatre | England, London, 135 Shaftesbury Avenue | 1955-12-21 | 1956-02-18 | 1955 | 1 | |
| Studio 14 | Studio 14 | England, London | 1988-10-27 | 1988-11-04 | 1988 | 1 | |
| Steiner Hall | Steiner Hall | England, London | 1927-05-10 | -- | 1927 | 1 | |
| Sam Wanamaker Playhouse | Sam Wanamaker Playhouse | England, London | 2023-11-10 | 2024-01-28 | 2023 | 1 | |
| Sefton Park Assembly Rooms | Sefton Park Assembly Rooms | England, Liverpool, Sefton Park | 1894-01-24 | -- | 1894 | 1 | |
| St George's Hall | St George's Hall | England, Liverpool, Lime Street | 1894-10-29 | -- | 1894 | 1 | |
| Studio at Theatre By The Lake | Studio at Theatre By The Lake | England, Keswick, Cumbria, Lake Rd | 2004-06-17 | 2012-11-07 | 2004–2012 | 2 | |
| Spring Street Theatre | Spring Street Theatre | England, Hull, Spring St | 1999-06-08 | 1999-06-11 | 1999 | 1 | |
| Stables Theatre and Arts Centre, The | The Stables Theatre and Arts Centre | England, Hastings, The Bourne | 2018-03-09 | 2018-03-17 | 2018 | 1 | |
| Stables Theatre | Stables Theatre | England, Hastings, The Bourne | 2013-03-08 | 2013-03-16 | 2013 | 1 | |
| St. George's Theatre | St. George's Theatre | England, Great Yarmouth, King's Street | 2014-10-28 | 2014-10-28 | 2014 | 1 | |
| St. Mary’s Church | St. Mary’s Church | England, Eastbourne, East Sussex, 69 Decoy Dr | 2006-10-17 | 2006-10-20 | 2006 | 1 | |
| School and Community College | School and Community College | England, Devon, Gipsy Ln, Exmouth | 1985-01-16 | -- | 1985 | 1 | |
| Sandford Parish Hall | Sandford Parish Hall | England, Devon, Fanny's Ln, Crediton | 2007-12-05 | -- | 2007 | 1 | |
| Sundial Theatre | Sundial Theatre | England, Cirencester | 2014-11-06 | 2014-11-06 | 2014 | 1 | |
| Stanwix Arts Theatre | Stanwix Arts Theatre | England, Carlisle, Cumbria, Tarraby Ln | 1993-07-01 | -- | 1993 | 1 | |
| South Hill Park Arts Centre | South Hill Park Arts Centre | England, Bracknell, Ringmead | 1993-10-22 | 2014-02-04 | 1993–2014 | 2 | |
| Salaam Theatre, Al | Al Salaam Theatre | Egypt, Cairo | 2006-07-01 | 2006-07-03 | 2006 | 1 | |
| Sayyed Darwish Theatre Opera House | Sayyed Darwish Theatre Opera House | Egypt, Alexandria, 22 El Horreya Rd | 2009-11-16 | 2013-04-08 | 2009–2013 | 2 | |
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