- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Tuḥfat al-muḥtāj bi-sharḥ al-Minhāj1
- Ikmāl (Ibn Mākūlā, ʻAlī ibn Hibat Allāh)1
- Illegitimacy1
- Illinois--Chicago11
- Illumination of books and manuscripts12
- Illumination of books and manuscripts, English1
- Illumination of books and manuscripts, French2
- Illumination of books and manuscripts, German2
- Illumination of books and manuscripts, Gothic2
- Illumination of books and manuscripts, Italian1
- Illumination of books and manuscripts, Medieval1
- Imām al-Ḥaramayn al-Juwaynī, ʻAbd al-Malik ibn ʻAbd Allāh, 1028-1085. Irshād ilá qawāṭiʻ al-adillah fī uṣūl al-iʻtiqād1
- Incarnation1
- Indulgences1
- Inheritance and succession19
- Inheritance and succession (Islamic law)10
- Initials2
- Inscriptions19
- Intellectual life3
- Interfaith relations1