Former Owner
- Sir William Stirling-Maxwell, 9th Baronet1
- Sister Anna van Essen1
- Sister Dorothy Adorno1
- Sister Lysebet van Karnehe1
- Sister Marghareta van den Spegher1
- Sistine Chapel1
- Skinner Poulin1
- Sokol Books Ltd.1
- Solomon Solis-Cohen1
- Solomon ibn Gabirol1
- Sonabhaṭṭamoravaṇīkara1
- Sonnyng, John1
- Sonnyng, William1
- Sorabji Framji Madan1
- St Albans Abbey1
- St Edmundsbury Cathedral1
- St John Hornby1
- St Peter's Archabbey Salzburg1
- St Werburgh's Abbey, Chester1
- St. Agatha (Aschaffenburg)1