Biesal [ˈbjɛsal] is a village in the administrative district of Gmina Gietrzwałd, within Olsztyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 4 kilometres (2 mi) south-west of Gietrzwałd and 22 km (14 mi) west of the regional capital Olsztyn.