| Oliba Cabreta (v. 920–990) - Count of Cerdagne and Besalú | First lord linked to the castle (988). |
| Guillaume Ier - First Viscount of Castelnou | Founded the Viscount in 1018. |
| Jacques II de Majorque - King of Majorca | The castle was taken in 1286. |
| Jaspert V - Last Viscount of Castelnou | Returned the castle in 1299. |
| Ernest de Satgé (1823–1899) - Castle restaurant | Rehabilitated the site (1876–97). |