Czajno [ˈt͡ʂai̯nɔ] is a village in the administrative district of Gmina Lubraniec, within Włocławek County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 5 kilometres (3 mi) south-west of Lubraniec, 24 km (15 mi) south-west of Włocławek, and 60 km (37 mi) south of Toruń.