The Leniwka is a river in northern Poland, one of the branches of the Vistula. It is 55.4 kilometres (34.4 mi) long, and flows into Gdańsk Bay, forming the southern border of Ostrów Island and Sobieszewo Island.
Towns and villages on the Leniwka:
- Piekło
- Biała Góra
- Tczew
- Lisewo Malborskie
- Koźliny
- Ostaszewo
- Kiezmark
- Drewnica
- Gdańsk
- Gdańska Głowa
- Przegalina
- Świbno
- Mikoszewo