Author
- Sufi Ahmad1
- Sujāʻī, Aḥmad ibn Aḥmad, -1783?1
- Sukkarī, ʻAbd al-Tawwāb1
- Sulaimān Ibn-ʿUmar al- Ǧamal al-ʿUǧaili1
- Sulaymān ibn Aḥmad1
- Syihabuddin al-Qaliyubi1
- Syriac Orthodox Church1
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389?1
- Taqi al-Din al-Subki1
- Theodosius of Bithynia1
- Turmeda, Anselm, 1352-1432?1
- Tāj al-Dīn ibn Aḥmad Anṣārī1
- Tāj al-Millah wa-al-Dīn Kāshānī1
- Ulugh Beg1
- Uthman bin Ali Zayla'i1
- Vardarî Mahmut1
- William McElwee Miller1
- Wāḥidī Nīsābūrī1
- Yaḥyá ibn Abī Bakr al-Ḥanafī1
- Yaḥyá ibn Aḥmad Kāshānī1