Barnim is a Pomeranian Slavic origin given name derived from names: Barnimir, Barnisław (which contain word "barni, broni" - to protect) and may refer to:
Several Pomeranian rulers:
- Barnim I the Good (1217–1278), duke of Pomerania
- Barnim III the Great (1300–1368), duke of Pomerania-Stettin
- Barnim IX (1501–1573), also known as Barnim XI the Old, duke of Pomerania-Stettin
Following places:
- Barnim, a district in Brandenburg, Germany
- Barnim, West Pomeranian Voivodeship, a village in north-western Poland