Encyclopedias, Almanacs, Transcripts, and Maps
- Knefler, Frederick
- Knieža, Emil
- Knight, William, Bl.
- Knights of Alcántara
- Knights of Columbus
- Knights of Dobrin
- Knights of Montesa
- Knights of Peter Claver
- Knights of St. George
- Knights of St. James
- Knights of St. John
- Knights of the Faith
- Knights of the Holy Sepulcher
- Knights of the Sword
- Knoll, Albert
- Knopf, Blanche Wolf
- Knorr von Rosenroth, Christian°
- Know-Nothingism
- Knowledge, Connatural
- Knowledge, Gift of