Sąsieczno [sɔ̃ˈɕɛt͡ʂnɔ] is a village in the administrative district of Gmina Obrowo, within Toruń County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 5 kilometres (3 mi) south-west of Obrowo and 20 km (12 mi) south-east of Toruń.