The Sejm Constituency no. 40 () is a constituency of the Sejm (lower house of the Polish parliament) in the West Pomeranian Voivodeship, electing eight deputies. It consists of the city county of Koszalin and the land counties of Biaà Âogard, Choszczno, Drawsko, Koà Âobrzeg, Koszalin, Sà Âawno, Szczecinek, à Âwidwin and Waà Âcz. Constituency Electoral Commission's seat is the city of Koszalin.