| Lough Mask | Lough Mask |
| Lough Neagh | Lough Neagh |
| Lough Ree | Lough Ree |
| Loughton | Loughton |
| lougre | lugger |
| Louhansk | Luhansk |
| Louis | Louis |
| Louis Abel Beffroy de Reigny | Louis Abel Beffroy de Reigny |
| Louis Adamic | Louis Adamic |
| Louis Agassiz | Louis Agassiz |
| Louis Aimée Augustin Le Prince | Louis Le Prince |
| Louis Alexandre de Battenberg | Prince Louis of Battenberg |
| Louis Aloy de Hohenlohe-Waldenburg-Bartenstein | Louis Aloy de Hohenlohe-Waldenburg-Bartenstein |
| Louis Althusser | Louis Althusser |
| Louis Andriessen | Louis Andriessen |
| Louis Antoine Caraccioli | Louis-Antoine Caraccioli |
| Louis Antoine de Bougainville | Louis Antoine de Bougainville |
| Louis Antoine de Saint-Just | Louis de Saint-Just |
| Louis Antoine Léon de Saint-Just | Louis de Saint-Just |
| Louis Aragon | Louis Aragon |
| Louis Armstrong | Louis Armstrong |
| Louis Auguste Blanqui | Louis Auguste Blanqui |
| Louis Auguste Le Tonnelier de Breteuil | Baron de Breteuil |
| Louis Barthou | Louis Barthou |
| Louis Bertrand Castel | Louis Bertrand Castel |
| Louis Blanc | Louis Blanc |
| Louis Blériot | Louis Blériot |
| Louis Bonaparte | Louis Bonaparte |
| Louis Braille | Louis Braille |
| Louis Bréa | Ludovico Brea |
| Louis Buffet | Louis Buffet |
| Louis Béchameil de Nointel | Louis de Bechamel |
| Louis Charles Antoine Desaix | Louis Charles Antoine Desaix |
| Louis Charles Breguet | Louis Charles Breguet |
| Louis Claude de Saulces de Freycinet | Louis de Freycinet |
| Louis Claude Richard | Louis Claude Richard |
| Louis Comfort Tiffany | Louis Comfort Tiffany |
| Louis Crouzon | Octave Crouzon |
| Louis de Balbes de Berton de Crillon | Louis des Balbes de Berton de Crillon |
| Louis de Beaufront | Louis de Beaufront |
| Louis de Broglie | Louis de Broglie |
| Louis de Buade de Frontenac | Louis de Buade de Frontenac |
| Louis de Cormontaigne | Louis de Cormontaigne |
| Louis de Funès | Louis de Funès |
| Louis de Geer | Louis De Geer |
| Louis de Gonzague | Aloysius Gonzaga |
| Louis de Gravina | Louis of Durazzo |
| Louis de Grenade | Louis of Granada |
| Louis de Luxembourg | Prince Louis of Luxembourg |
| Louis de Nassau | Louis of Nassau |
| Louis de Pointe du Lac | Louis de Pointe du Lac |
