Encyclopedias, Almanacs, Transcripts, and Maps
- Squeakers and Cricket Frogs (Arthroleptidae)
- Squirrels and Relatives I: Flying Squirrels (Pteromyinae)
- Squirrels and Relatives II: Ground Squirrels
- Squirrels and Relatives III: Tree Squirrels
- St Bernard
- St John of Jerusalem, Knights Hospitallers of
- St Johns
- St Johns
- St Kitts-Nevis
- St Lawrence Seaway
- St Marks
- St Moritz
- St Sophia
- St Valentines Day Massacre
- St. Francis of Assisi (1181 – 1226) Italian Saint and Religious Leader
- St. Lawrence Seaway
- Stack Emissions
- Staël, (Anne-Louise-Germaine), Madame de
- stag beetle
- Stakeholder Analysis