Ciencisko [t͡ɕɛnˈt͡ɕiskɔ] is a village in the administrative district of Gmina Strzelno, within Mogilno County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. In local baptism records from 1792, the place is written variously as Cientzisko, Cientcziszko and Cientiszko.