Boreczno [bɔˈrɛt͡ʂnɔ] (German Schnellwalde) is a village in the administrative district of Gmina Zalewo, within Iława County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 9 kilometres (6 mi) south-east of Zalewo, 23 km (14 mi) north of Iława, and 54 km (34 mi) west of the regional capital Olsztyn.