Kruszyn [ˈkruʂɨn] is a village in the administrative district of Gmina Sicienko, within Bydgoszcz County, Kuyavian-Pomeranian Voivodeship, in north-central Poland.
In the middle of the 17th century was Melchjor Krusiński the owner of the estate.
After his death Kruszyn and Pawłówek inherited his daughter Anna Krusińska, who was married to the Ludwik Lewalt Jezierski.
[citation needed] In the end of the century it belonged to the German family Weckwarth.
In 1905, the estate of the widow Boltz was passed to Prussian Settlement Commission, which has settled 26 families here.