Encyclopedias, Almanacs, Transcripts, and Maps
- Karma pas
- Karman
- Karman: Buddhist Concepts
- Karman: Hindu and Jain Concepts
- Karo, Yosef
- Karuṇā
- Kaufmann, Yeḥezkel
- Kaʿbah
- Keegan, Kevin
- Keizan
- Kelp and Seaweed
- Kennedy, Robert Francis, Jr. (1954 – ) American Environmental Lawyer
- Kenyon, Kathleen
- Kepone
- Kerala Caecilians (Uraeotyphylidae)
- Kerényi, Károly
- Kesterson National Wildlife Refuge
- keyboard instrument
- Khafre, Great Sphinx of
- Khan, (Niazi) Imran