Encyclopedias, Almanacs, Transcripts, and Maps
- Kestenberg, Leo
- Kestleman, Morris
- Keszi (Kramer), Imre
- Ketcham, William Henry
- Keter Publishing House
- Keti'a Bar Shalom
- Ketteler, Wilhelm Emmanuel von
- Ketubbah
- Ketubbot
- Keturah
- Kevenhoerster, John Bernard
- Kever Avot
- Kevin, St.
- Keys, Power of
- Keyserling, Leon H.
- Keẓaẓah
- Khadijah
- Khalaẓ, Judah ben Abraham
- Khaldun, Ibn
- Khalid, Khalid Muhammad (1920–1996)