- Islamic poetry, Arabic3
- Islamic rosary1
- Islamic sects2
- Islamic sermons, Arabic2
- Islamic stories1
- Isnawī, ʻAbd al-Raḥīm ibn al-Ḥasan, 1305-13701
- Isra' and Mi`raj of the Prophet Muhammad1
- Istiṣḥāb (Islamic law)2
- Italian rotunda (script)1
- Italy6
- Italy--Ferrara1
- Italy--Venice2
- Italy--Vicenza1
- Iʻrāb ʻan qawāʻid al-iʻrāb (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tashyīd al-Qawāʻid1
- Iẓhār al-asrār (Birgivî Mehmet Efendi)1
- Jamʻ al-jawāmiʻ fī al-uṣūl (Subkī, Tāj al-Dīn ʻAbd al-Wahhāb ibn ʻAlī)3
- Jerome, Saint, -419 or 4201
- Jesus Christ1
- Jidd Ḥafṣī, ʻAlī ibn Luṭf Allāh, active 17th century-18th century1