- SCFA
- Scheduling
- Schliemann, Heinrich
- Schlumberger, Daniel
- schola
- science-based archaeology
- Science-Based Archaeology Committee
- scientific method
- Scillian entrance grave
- scooped enclosure
- Scots
- scramasax
- scraper
- screen
- screening
- screw neck
- SCUPHA
- Scythians
- sea level
- Sea Peoples
- Seahenge, Norfolk, UK
- seal
- seax
- Second Intermediate Period
- secondary burial
- secondary context
- secondary flaking
- Secondary Neolithic
- Secondary Products Revolution
- secondary working
