Skrzynno [ˈskʂɨnnɔ] is a village in the administrative district of Gmina Wieniawa, within Przysucha County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) west of Wieniawa, 8 km (5 mi) east of Przysucha, and 97 km (60 mi) south of Warsaw. The village has a population of 300. Grand Master of the Teutonic Knights Ulrich von Jungingen was killed by the knight Mszczuj from Skrzynno in the Battle of Grunwald (Tannenberg) in 1410.