Dłużek
Dłużek is a Polish place name:
- Dłużek (Jedwabno) , village in the Szczycieński powiat, Warmian-Masurian Voivodeship, until 1938: Dluszek , 1938 to 1945 Hartigswalde , Neidenburg district, East Prussia
- Dłużek (Lubsko) , village in the powiat Żarski, Lebus Voivodeship, until 1945: Dolzig , Sorau district, Brandenburg