Sejm Constituency no. 4 () is a constituency of the Sejm in Kuyavian-Pomeranian Voivodeship electing twelve deputies. It consists of city county of Bydgoszcz (constituency's seat) and land counties of Bydgoszcz, Inowrocà Âaw, Mogilno, Nakà Âo, SÃÂpólno, à Âwiecie, Tuchola and à »nin.