Barnim III was a Duke of Pomerania who ruled from 1264 until his death in 1294. He was part of the House of Pomerania and played a significant role in the political landscape of northern Europe during the Middle Ages. His reign was marked by efforts to strengthen the duchy and maintain its independence amid regional conflicts. Barnim III is known for his diplomatic skills, particularly in managing relations with neighboring territories. He worked to secure alliances and foster trade, which contributed to the economic stability of Pomerania. His leadership helped lay the groundwork for future developments in the region.