Author
- Honorat Bovet2
- Hārīta2
- Ibn Arabi2
- Ibn Battal2
- Ikhtiyār al-Dīn ibn Ghiyāth al-Dīn2
- Immanuel Frances2
- Innocent III2
- Isaac Alfasi2
- Isaac ben Mordekhai Kimḥi2
- Ishmael ben Abraham Isaac ha-Kohen2
- Iskandar Beg Munshi2
- Jacobus de Voragine2
- Jacopone da Todi2
- Jayakr̥ṣṇa2
- Jordan von Quedlinburg2
- Josef ibn Tabul2
- Joshua Benzion Segre2
- Judah Leib Pukhovitser2
- Judah Rosanes2
- Kalonymus ben Kalonymus2