- Josā Puṣkar1
- Jośipañcyanadikara, Śivarāma1
- Juan de la Mote1
- Judah ben Jacob1
- Jundī, Arslān ibn Muḥammad ʻAlī, active 19th century1
- Jñodekhāśa1
- Jābir ibn Ibrāhīm, active 16th century1
- Jābir ibn Sālim Shihāb al-Baghdādī1
- Jīlānī, Ibn Muḥammad Yūsuf, active 17th century1
- Kaspar Ytelhuser1
- Kastamūnī, ʻAbd al-Raḥmān1
- Katharinenkirche, Nuremberg1
- Kaṭarāva Mahājana1
- Khalid Balti1
- Khalīlī, Muḥammad ibn ʻAbd al-Raḥmān1
- Khare, Viṣṇubhaṭa1
- Khaṭīb, Muḥyī al-Dīn ibn ʻAlī1
- Khilāf, Muḥammad ibn Muḥammad1
- Khūjah, Muḥammad Aḥmad1
- Kinānī, Ibrāhīm ibn Muṣṭafá, active 19th century1