- Ramadan1
- Religious life--Islam1
- Repentance--Islam1
- Salutations--Religious aspects--Islam1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah fī al-istiʻārāt1
- Satellites--Phases1
- Science1
- Shafiites1
- Shamāʼil (Tirmidhī, Muḥammad ibn ʻĪsá)1
- Sharḥ Shamsīyah (Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad)1
- Sharḥ al-Mawāqif (Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf)1
- Shādhilīyah1
- Smoking (Islamic law)1
- Solomon, King of Israel1
- Solomon, King of Israel, in the Qurʼan1
- Soul--Islam1
- Sufi chants1
- Sumtī, Yūsuf ibn Khālid1
- Sunna1
- Sājaqlīzādah, Muḥammad ibn Abī Bakr, -1737. Tartīb al-ʻulūm1