Sianowo Leśne

Sianowo Leśne (Cashubian Lesné Sjónowò, Schwanau) is a settlement in the administrative district of Gmina Kartuzy, within Kartuzy County, Pomeranian Voivodeship, in northern Poland. It lies approximately 7 km north-west of Kartuzy and 33 km west of the regional capital Gdańsk.

For details of the history of the region, see History of Pomerania.