| Louis XI - King of France | Ordonna built the Saint-Ferjeux Tower. |
| François Ier - King of France | Inaugurated the Tower of Navarre in 1519. |
| Sébastien Le Prestre de Vauban - Military engineer | Inspired the forts detached from the 19th century. |
| Gauthier de Bourgogne - Bishop of Langres | Titled Count of Langres in 1179. |
| Giuseppe Garibaldi - Italian general | Commanded troops defending Langres in 1870. |
| Auguste Chauchard - Military engineer | Directed the construction of the bastioned citadel. |