Parentless Concepts
- Liechtenstein, Gundaker
- Liechtenstein, Hartmann von
- Liechtenstein, Karl von
- Life of saint George in Arabic
- Linge
- Linz
- Lipsius, Justus
- Lisbon
- Livonia
- Lobkowicz
- Lomellini, Ignazio
- London
- Longueval, Charles Bonaventure de
- Lónyay, Zsigmond I.
- Lorefice, Vincenzo
- Lorenus
- Lotharingia
- Louffius, Jordanus
- Louis Henry
- Louis the Pious
- Lower-Austrian Government
- Luca a Sancto Petro, Johannes
- Lucas Tudensis
- Lucas Tudensis, De Altera Vita fideique controversiis adversus Albigenses
- Lucerna, Leo