Labrun is a village and a former municipality in Wittenberg district in Saxony-Anhalt, Germany. Since 1 January 2011, it is part of the town Annaburg. The municipality belonged to the administrative municipality (Verwaltungsgemeinschaft) of Annaburg-Prettin from 1 January 2005 until 2011. Before, it had belonged to the administrative community of Heideck-Prettin.