Sierakowice (; ) is a village in Kartuzy County, Pomeranian Voivodeship, Kashubia in northern Poland. It is the seat of the gmina (administrative district) called Gmina Sierakowice. It lies approximately west of Kartuzy and west of the regional capital Gdansk. Kashubian is here in official use, as a regional language. This means that in principle, it is possible to address gmina's administration in Kashubian and receive an answer in the same language. In Sierakowice, roads direction signage is bilingual Polish/Kashubian. Kashubian vetch (Vicia cassubica) is native to the village. Kashubian vetch means vetch of Kashubia, the home of Kashubs.