The Battle of Kratzau occurred on 11 November 1428 between an Imperial Silesian army and the Sirotci Hussites in Kratzau, Bohemia. During the battle, the Imperial Silesian army under Hans von Polenz overpowered the Hussite troops. In November 1428, the Hussites under the leadership of Jan Královec launched a campaign from the occupied Kratzau of Friedland and Ostritz to Löbau.