- Jabal Druze: Archontology
- Jabal Druze: Governors: 1921-1937
- Jabal Druze: Polity Style: 1922-1936
- Jackson, Andrew
- Jamaica: Archontology
- Jamaica: Gazette 1962-08-31
- Jamaica: Governors-General: 1962-2024
- Jamaica: Heads of State: 1962-2024
- Jamaica: Polity Style: 1962-2024
- Jamaica: Sources
- James I (England)
- James I (Scotland)
- JAMES II
- James II (Scotland)
- James III (Scotland)
- James IV (Scotland)
- James V (Scotland)
- James VI (Scotland)
- James VII (Scotland)
- James VIII (Scotland)
- Janaev, Gennadij
- JANE (Jane Grey)
- Jansen, Ernest George
- Japan: Archontology
- Japan: Emperors (Claimants of the Northern Court): 1331-1392
- Japan: Emperors: 1392-2024
- Japan: Emperors: 593-984
- Japan: Emperors: 984-1392
- Japan: Notes
- Japan: Polity Style: 1392-2024
- Japan: Sources
- JAUCOURT, Arnail-François de
- Jay, John
- Jeanbon, André
- Jefferson, Thomas
- Jin: Archontology
- Jin: Emperors: 266-316
- Jin: Emperors: 317-403
- Jin: Emperors: 404-420
- Jin: Polity Style: 266-420
- Jin: Sources
- Johann, Archduke of Austria
- JOHN (Lackland)
- Johnson, Andrew
- Johnson, Lyndon
- Jonas, Franz
- Jordan: Archontology
- Jordan: Heads of State: 1923-2024
- Jordan: Polity Style: 1923-2024
- Jordan: Sources
- José I Napoleón (Bonaparte, Joseph)
- João VI (Dom João)
- Juan Carlos I
- Jurchen Jin: Archontology
- Jurchen Jin: Emperors: 1115-1233
- Jurchen Jin: Polity Style: 1115-1233
- Jurchen Jin: Sources
Last update: 03 Dec 2024