| Native Name: | Fürstentum Anhalt-Dornburg |
| Conventional Long Name: | Principality of Anhalt-Dornburg |
| Common Name: | Anhalt-Dornburg |
| Era: | Middle Ages |
| Status: | Principality |
| Empire: | Holy Roman Empire |
| Year Start: | 1667 |
| Year End: | 1742 |
| Event Start: | Partitioned from Anhalt-Zerbst |
| Event End: | Inherited Anhalt-Zerbst |
| P1: | Principality of Anhalt-Zerbst |
| S1: | Principality of Anhalt-Zerbst |
| Capital: | Dornburg |
The Principality of Anhalt-Dornburg was located in what is today Germany. It was created in 1667 following the death of Prince John VI and the partition of Anhalt-Zerbst with Anhalt-Mühlingen being created along with Anhalt-Dornburg for the younger sons of Prince John VI. The principality lasted until 1742 when Princes Christian August and John Louis II inherited Anhalt-Zerbst.
United with Anhalt-Zerbst in 1742.