| Skarpengland skole | Skarpengland skole | Norway, Øvrebø, Skarpengland | 2006-10-24 | -- | 2006 | 1 | |
| Skanseskolen | Skanseskolen | Denmark, Hillerød, Østervang 124 | 2002-11-16 | -- | 2002 | 1 | |
| Skansen Centralnego Muzeum Włókiennictwa | Skansen Centralnego Muzeum Włókiennictwa | Poland, ul. Piotrkowska 282 | 2014-09-11 | 2014-09-19 | 2014 | 1 | |
| skandinaviske Gjestetourne, Den | Den skandinaviske Gjestetourne | Norway, Kristiania | -- | -- | | | |
| skandinaviske Gjestetourné, Den | Den skandinaviske Gjestetourné | Norway, Oslo | 1890-06-13 | -- | 1890 | 1 | |
| Skandináv Ház | Skandináv Ház | Hungary, Budapest, Klauzál tér 4 | 2009-12-02 | 2010-01-31 | 2009 | 1 | |
| Skanderborg, Kulturhuset | Kulturhuset Skanderborg | Denmark, Skanderborg, Parkvej 10 | 2018-11-13 | -- | 2018 | 1 | |
| Skala | Skala | Germany, Leipzig, Gottschedstraße 16 | 2009-03-26 | 2010-01-22 | 2009 | 2 | |
| Sjøvegan videregående skole | Sjøvegan videregående skole | Norway, Sjøvegan | 1997-11-18 | -- | 1997 | 1 | |
| Sjøvegan Kulturhus | Sjøvegan Kulturhus | Norway, Sjøvegan, Sjøvegan | 2007-03-15 | -- | 2007 | 1 | |
| Sjøvegan | Sjøvegan | Norway, Sjøvegan | 1996-02-13 | -- | 1996–2009 | 3 | |
| Sjømannskirken | Sjømannskirken | United States of America, Houston, 4309 Young Street | 2006-10-20 | -- | 2006 | 1 | |
| Sjømannskirken | Sjømannskirken | United States of America, San Pedro, 1035 S Beacon St | 2006-10-21 | -- | 2006 | 1 | |
| Sjømannskirken | Sjømannskirken | United States of America, San Francisco, 2454 Hyde St | 2006-10-27 | -- | 2006 | 1 | |
| Sjøborg kulturhus | Sjøborg kulturhus | Norway, Ulsteinvik, Sjøgata 10 | 2011-05-05 | 2014-04-04 | 2011–2014 | 2 | |
| Sjöbo | Sjöbo | Sweden, Sjöbo | 1993-11-08 | -- | 1993 | 1 | |
| Sixth Penn Theatre | Sixth Penn Theatre | United States of America, San Diego, 3704 6th Ave | 2006-08-17 | 2006-09-10 | 2006 | 1 | |
| Sivas | Sivas | Turkey, Sivas | 2003-- | 2005-- | 2003–2004 | 2 | |
| Sitnik Theatre of the Lackland Performing Arts Center | Sitnik Theatre of the Lackland Performing Arts Center | United States of America, Hackettstown, 400 Jefferson St | 2019-02-15 | 2019-03-03 | 2019 | 1 | |
| Site of the former Onai Woodworking Factory | Site of the former Onai Woodworking Factory | Japan, Osaka, 3 Chome-1-21 Kuwazu Higashisumiyoshi Ward | 2025-06-06 | 2025-06-09 | 2025 | 1 | |
| Sirdal Kulturhus | Sirdal Kulturhus | Norway, Tonstad, Hauanvegen 17 | 1989-10-01 | -- | 1989–2006 | 5 | |
| Sir Mutha Venkatasubba Rao Concert Hall | Sir Mutha Venkatasubba Rao Concert Hall | India, Chennai, 13/1 Harrington Road | 2015-02-24 | -- | 2015 | 1 | |
| Sir James Dunn Theater (Dalhousie Arts Centre) | Sir James Dunn Theater (Dalhousie Arts Centre) | Canada, Halifax, 6101 University Ave | 2023-03-28 | 2023-04-01 | 2023 | 1 | |
| Sioux falls | Sioux falls | United States of America, Sioux falls | 1903-11-07 | 1903-11-07 | 1903 | 1 | |
| Sioux City | Sioux City | United States of America, Sioux City | 1903-11-06 | 1903-11-06 | 1903 | 1 | |
| Sint-Pieters-Woluwe | Sint-Pieters-Woluwe | Belgium, St-Pieters-Woluwe | 1995-03-13 | -- | 1995–1998 | 2 | |
| Sininen Teatteri | Sininen Teatteri | Finland, Helsinki | 2006-11-02 | 2006-12-16 | 2006 | 1 | |
| Singer Laren | Singer Laren | Netherlands, Laren | 1989-02-09 | 1989-04-02 | 1989–2009 | 2 | |
| Şinca Veche | Şinca Veche | Romania, Şinca Veche | -- | -- | | | |
| Sinaia | Sinaia | Romania, Sinaia | -- | -- | | | |
| Şimleu Silvaniei | Şimleu Silvaniei | Romania, Şimleu Silvaniei | 1910-10-24 | -- | 1910 | 1 | |
| Simeria | Simeria | Romania, Simeria | -- | -- | | | |
| Silvermine Guild Theatre, The | The Silvermine Guild Theatre | United States of America, New Canaan, 1037 Silvermine Road | 1926-07-22 | 1926-07-24 | 1926 | 1 | |
| Silverdale Library | Silverdale Library | United States of America, Silverdale, 3450 NW Carlton St | 2006-11-18 | -- | 2006 | 1 | |
| Silver Spring Stage | Silver Spring Stage | United States of America, Silver Spring, MD 20901, 10145 Colesville Rd | 2021-04-16 | 2021-05-08 | 2021 | 1 | |
| Silpakorn University, Thrupkaew campus | Silpakorn University, Thrupkaew campus | Thailand, Nakhonpathom | 2005-06-21 | -- | 2005 | 1 | |
| Silkeborg Teater | Silkeborg Teater | Denmark, Silkeborg, Gjessøvej 40C | 1880-06-04 | -- | 1880–1907 | 7 | |
| Silk Road International Culture Exchange Center | Silk Road International Culture Exchange Center | China, Langfang | 2024-08-04 | -- | 2024 | 1 | |
| Siljan ungdomsskole | Siljan ungdomsskole | Norway, Siljan | 2004-10-19 | -- | 2004 | 1 | |
| Siljan | Siljan | Norway, Siljan | 2005-02-16 | -- | 2005 | 1 | |
| Silistra (Dârstor) | Silistra (Dârstor) | Bulgaria, Silistra (Dârstor) | -- | -- | | | |
| Silamiut - The Greenland Theatre | Silamiut - The Greenland Theatre | Greenland, Nuuk, Postbox 1627 | 2005-10-28 | -- | 2005 | 1 | |
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