Demetrius of Montferrat
| Demetrius of Montferrat | |
|---|---|
| King of Thessalonica | |
| Reign | 1207–1224 | 
| Predecessor | Boniface I, Marquis of Montferrat | 
| Successor | Conquered by Theodore Komnenos Doukas | 
| Born | 1205 | 
| Died | 1230 Amalfi | 
| House | Aleramici | 
| Father | Boniface I, Marquis of Montferrat | 
| Mother | Margaret of Hungary | 
Demetrius or Demetrios of Montferrat (Italian: Demetrio di Monferrato; Greek: Δημήτριος Μομφερρατικός, Dēmētrios Momferratikos; 1205–1230) was King of Thessalonica from 1207 to 1224.