- Jaʻfar al-Ṣādiq, 702?-765 or 7662
- Jewish law2
- Jewish sermons, Hebrew2
- John I, King of Portugal, 1357-14332
- Jānakīnātha Bhaṭṭācārya, active 16th century. Nyāyasiddhāntamañjarī2
- Kashmir Śaivism2
- Kings and rulers--Religious aspects--Hinduism2
- Knowledge, Theory of (Hinduism)2
- Kumārasambhava (Kālidāsa)2
- Kārtavīryārjuna (Hindu deity)2
- Libations2
- Liṅga worship2
- Manuscript waste2
- Manuscripts, Braj2
- Manuscripts, Greek2
- Manuscripts, Gujarati2
- Manuscripts, Hindi2
- Manuscripts, Indic2
- Manuscripts, Thai2
- Marriage--Religious aspects2