| Nicholas II of Saint Omer | |
|---|---|
| Lord of one half of Thebes | |
| Reign | 1258–1294 |
| Predecessor | Bela of Saint Omer |
| Successor | Otho of Saint Omer |
| Spouse | Mary of Antioch Anna Komnene Doukaina |
| Father | Bela of Saint Omer |
| Mother | Bonne de la Roche |
| Religion | Roman Catholic |
Nicholas II of Saint Omer was the lord of half of Thebes in Frankish Greece from 1258 to his death in 1294. From his two marriages he became one of the richest and most powerful barons of his time, building a splendid castle at Thebes as well as the Old Navarino castle. He also served as bailli of the Principality of Achaea on behalf of the Angevins of Naples between 1287 and 1289.