- sex-ratio
- sex-typed
- sexism
- sexism, institutionalized
- sexual division of labour
- shamanism
- shanty towns
- share-cropping
- Shaw, Clifford
- sib
- sick role
- sign
- significance tests
- significant others
- signifier versus signified distinction
- similarity hypothesis
- similarity, measures of
- Simmel, Georg
- simple commodity production
- simple random sampling
- situs
- skewness
- skill
- slavery
- Small, Albion W.
- Smith, Adam
- SMRs
- snowballing technique
- social action
- social action theory
