Encyclopedias, Almanacs, Transcripts, and Maps
- standard temperature and pressure
- Stanner, W. E. H.
- Starbuck, E. D.
- Stark, Dame Freya Madeline
- Starlings and Mynas (Sturnidae)
- State, US Department of
- Stcherbatsky, Theodore
- Steady-State Economy
- stearic acid
- Steel, Sir David Martin Scott
- Stegner, Wallace (1909 – 1993) American Writer
- Stenolaemata (Marine Bryozoans)
- Stephanoberyciformes (Whalefishes and Relatives)
- Stephenson, George (1781–1848)
- sterility
- Stewart, James Maitland
- Sthiramati
- stick insect
- Stilts and Avocets (Recurvirostridae)
- Stirling Engines