- Kaydānī. Maṭālib al-muṣallī1
- Khiḍr (Legendary character)1
- Khulāṣat al-ḥisāb (ʻĀmilī, Bahāʼ al-Dīn Muḥammad ibn Ḥusayn)1
- Khūjahʹzādah, ʻAbd al-Naṣīr ibn ʻAbd Allāh, active 16th century. Taḥrīrāt ʻalá al-Ṭarīqah al-Muḥammadīyah1
- Knowledge, Theory of (Islam)1
- Magic squares1
- Manicules1
- Medicine, Persian1
- Moon1
- Mukhtaṣar al-maʻānī (Taftāzānī, Masʻūd ibn ʻUmar)1
- Music theory1
- Muslim pilgrims and pilgrimages1
- Muṭarrizī, Nāṣir ibn ʻAbd al-Sayyid, 1144-1213. Miṣbāḥ1
- Niẓām al-Mulk, 1018-10921
- Numerology1
- Nuqāyah (Suyūṭī)1
- Nābulusī, ʻAbd al-Ghanī ibn Ismāʻīl, 1641-1731. Fatḥ al-Rabbānī wa-al-fayḍ al-Raḥmānī1
- Palmistry1
- Philosophy, Ancient1
- Philosophy, Arab1