Barnim III the Great, Duke of Pomerania | |
|---|---|
 Barnim III's tomb, Pomeranian Dukes' Castle, Szczecin (Stettin) | |
| Born | c. 1300 |
| Died | 14 August 1368 |
| Noble family | House of Griffin |
| Spouse(s) | Agnes of Brunswick-Grubenhagen |
| Issue | Casimir III Swantibor III Bogislaw VII |
| Father | Otto I, Duke of Pomerania |
| Mother | Elisabeth of Holstein |
Barnim III the Great (c. 1300 – 14 August 1368) was a Pomeranian duke from the House of Griffin.