Liubartas
| Liubartas Demetrius of Liubar | |
|---|---|
Modern illustration | |
| Prince of Volhynia | |
| Reign | 1340–1383 |
| Predecessor | George II Boleslav |
| Successor | Theodore of Volhynia |
| Prince of Galicia | |
| Reign | 1340-1349 (represented by Dmytro Dedko) |
| Predecessor | George II Boleslav |
| Successor | Casimir the Great |
| Died | c. 1383 |
| Spouse | 1. Euphemia of Volhynia; 2. Daughter of Konstantin of Rostov |
| House | Gediminids |
| Father | Gediminas |
Liubartas or Demetrius of Liubar (died c. 1383) was a Lithuanian prince from the Gediminid dynasty. He was the prince of Volhynia, and from 1320, he ruled over Lutsk, Liubar and Zhytomyr. Liubartas was also the last ruler of the Kingdom of Galicia–Volhynia.