Bychówko [bɨˈxufkɔ] is a settlement in the administrative district of Gmina Gniewino, within Wejherowo County, Pomeranian Voivodeship, in northern Poland. It lies approximately 5 kilometres (3 mi) north-west of Gniewino, 25 km (16 mi) north-west of Wejherowo, and 61 km (38 mi) north-west of the regional capital Gdańsk.

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