Encyclopedias, Almanacs, Transcripts, and Maps
- Śāstra Literature
- saturated compound
- saturated solution
- Saud, Abdul Aziz ibn
- Saule
- Saura Hinduism
- Sautrāntika
- Savannah River Site
- Save the Whales
- Save-the-Redwoods League
- Savery, Thomas (1650–1715)
- sawfish
- Ṣawm
- Saʿadyah Gaon
- Saʿdī
- scabious
- Scafell Pike
- Scaly-Tailed Squirrels (Anomaluridae)
- Scandentia (Tree Shrews)
- scanning