| Isabella of Villehardouin | |
|---|---|
 | |
| Born | 1260/1263 |
| Died | 23 January 1312 |
| Spouse | |
| Issue | Matilda of Hainaut Mary of Savoy Alice of Savoy Margaret of Savoy |
| House | Villehardouin |
| Father | William II of Villehardouin |
| Mother | Anna Komnene Doukaina |
Isabella of Villehardouin (1260/1263 – 23 January 1312) was reigning Princess of Achaea from 1289 to 1307. She was the elder daughter of Prince William II of Achaea and of his third wife, Anna Komnene Doukaina, the second daughter of Michael II Komnenos Doukas, the despot of Epiros.