| 73rd Hanoverian Fusilier Regiment | |
|---|---|
| Füsilier-Regiment Generalfeldmarschall Prinz Albrecht von Preußen (Hannoversches) Nr. 73 | |
| Active | 1866–1919 |
| Country | |
| Allegiance | German Empire (from 1871) |
| Branch | Prussian Army |
| Type | Infantry |
| Role | Fusilier |

The 73rd Hanoverian Fusilier Regiment was an infantry regiment of the Imperial German Army. It was founded as a unit of the Prussian Army in 1866 following Prussia's annexation of the Kingdom of Hanover.
Its full German name was Füsilier-Regiment Generalfeldmarschall Prinz Albrecht von Preußen (Hannoversches).
Their regimental traditions included a brassard with Gibraltar in gold commemorating the role of Hanoverian troops in the Great Siege of Gibraltar.
Notable soldiers in the regiment included: