Author
- Isaac Luria2
- Ismail ibn Hammad al-Jawhari2
- Ismāʻīl ibn Muḥammad al-ʻAjlūnī2
- Jacob ben Asher2
- Jacobus de Voragine2
- Jamāl al-Dīn Khvānsārī2
- Jaʻfar ibn Khaḍir Janājī2
- John Chrysostom2
- Jordan von Quedlinburg2
- Joseph ben Ephraim Karo2
- Juana I of Castile2
- Kalonymus ben Kalonymus2
- Kamal al-Din ibn al-Humam2
- Kamalākara Bhaṭṭa2
- Kamalākarabhaṭṭa2
- Keśavācārya2
- Khaqani2
- Khaṭīb, ʻAlāʼ al-Dīn ibn ʻAbd al-Bāqī, fl. 15952
- Konrad III. von Soltau2
- Konrad von Brundelsheim2