The Motława (German: Mottlau; Kashubian: Mòtława) is a river in Eastern Pomerania in Poland.

[1] Its source is in Szpęgawskie Lake, northeast from the town of Starogard Gdański.

The Motlawa goes through Rokickie Lake to Martwa Wisła, a branch of the Vistula.

[2] The total length of the river is estimated at 68 km, and its drainage basin is 1511.3 km2.

In Gdańsk, the Motława ferry crosses the river, a service that has run since the year 1687.