Preußen is the German word for Prussia. It also refers to:
- Preußen (ship), windjammer built in 1902
- SMS Preußen (1873), armored frigate
- SMS Preußen (1903), pre-dreadnought Battleship
- BFC Preussen, football club in Berlin
- SC Preußen Münster, football club in Münster
- SV Viktoria Preußen 07, football club in Frankfurt
- Preußen Danzig, former football club in Danzig (Gdańsk)
- 5628 Preussen, asteroid