- Tanbīh (Fīrūzābādī al-Shīrāzī, Abū Isḥāq Ibrāhīm ibn ʻAlī ibn Yūsuf)1
- Tasʹhīl al-fawāʼid wa-takmīl al-maqāṣid (Ibn Mālik, Muḥammad ibn ʻAbd Allāh)1
- Tawḍīḥ maqāṣid al-Alfīyah (Murādī ibn Umm Qāsim, al-Ḥasan ibn Qāsim)1
- Thomas, Apostle, Saint, active 1st century1
- Travel--Religious aspects--Islam1
- Turbans--Religious aspects--Islam1
- Turkey--Amasya (Amasya İli)1
- Turkey--Bursa1
- Turkey--Erzincan1
- Turkey--Istanbul1
- Turkish language1
- Turkish poetry1
- Urmawī, Sirāj al-Dīn Maḥmūd ibn Abī Bakr, 1198-1283. Maṭāliʻ al-anwār1
- Ustarūshanī, Muḥammad ibn Maḥmūd, -1234 or 1235. Fuṣūl1
- Uzbekistan--Samarqand1
- Versification1
- Waraqāt (Imām al-Ḥaramayn al-Juwaynī, ʻAbd al-Malik ibn ʻAbd Allāh)1
- Waṣīyah (Abū Ḥanīfah)1
- Zoology1
- alphabets (symbols)1