- 1 Sovereignty
- 1 Soviet (nationality or culture)
- 1 Sower, Christopher, 1695- 1758
- 1 Sower, Potts & Co.
- 1 Space colonies
- 2 Space shuttles
- 2 Space suits
- 6 Spades
- 1 Spaeth & Hess Anchor Brewery Lager Beer (Firm)
- 1 Spaeth, Adolph, 1839-1910
- 1 Spaeth, Sigmund Gottfried, 1893-1956
- 59 Spain
- 2 Spanish (language)
- 3 Spanish Colonial Revival
- 5 Spanish Exhibition Building
- 11 Spanish Government Building
- 1 Sparkler of Albion
- 9 Sparks' Shot Tower
- 2 Sparrows
- 2 Speakership
- 24 Spears
- 3 Special collections
- 5 Special interests
- 2 Specialty stores
- 1 Specimens
- 1 Speckman's Stables
- 1 Spectacles
- 41 Spectators
- 8 Speeches
- 1 Speeders
- 1 Speeding
- 1 Speedwell
- 1 Spencer Bung Co.
- 1 Spencer Street
- 1 Spencer, Adelaide, (Lady Spencer), 1825-1877
- 1 Spencer, Charles, b. 1821
- 5 Sphinxes (Mythology)
- 1 Spicer, William Henry, 1812-1891
- 6 Spices
- 4 Spider web
