- Satire, Greek1
- Satire, Latin1
- Satirical literature1
- Savonarola, Girolamo, 1452-14981
- Saʻdī, ʻAbd al-Qādir ibn Abī al-Qāsim, d. 1475. Rafʻ al-sutūr wa-al-arāʼik ʻan mukhabbaʼāt Awḍaḥ al-masālik1
- Science, Medieval1
- Scotland1
- Scriptum super IV libros Sententiarum (Thomas, Aquinas, Saint)1
- Scyld (Legendary character)1
- Sea-power1
- Seals1
- Sealskin bindings1
- Sebastian, Saint1
- Seder ṭohorah (Maimonides, Moses)1
- Sefer ahavah (Maimonides, Moses)1
- Sefer ha-bahir1
- Sefer ha-madaʻ (Maimonides, Moses)1
- Sefer mitsṿot gadol (Moses ben Jacob, of Coucy)1
- Sefer ḳedushah (Maimonides, Moses)1
- Sequences (Liturgy)1