| Consort: | yes |
| Isabella of Valois | |
| Succession: | Duchess consort of Bourbon |
| Reign: | 1336-1356 |
| Spouse: | Peter I, Duke of Bourbon |
| Issue: | Louis II, Duke of Bourbon Joanna, Queen of France Blanche, Queen of Castile Bonne, Duchess of Savoy Margaret of Bourbon |
| House: | Valois |
| Father: | Charles of Valois |
| Mother: | Mahaut of Châtillon |
| Birth Date: | 1313 |
| Death Date: | 26 July 1383 (aged 70) |
Isabella of Valois (1313 – 26 July 1383) was duchess of Bourbon by marriage to Peter I, Duke of Bourbon. Following her husband's death at Poiters, she took the veil. Isabella died 26 July 1383, aged seventy.
Isabella was the daughter of Charles of Valois by his third wife Mahaut of Châtillon. On 25 January 1336 she married Peter I, Duke of Bourbon, son of Louis I, Duke of Bourbon and Mary of Avesnes. Peter and Isabella had only one son, Louis and seven daughters. Her husband died at the Battle of Poitiers in 1356, and Isabella never remarried.
After her husband's death Isabella's son Louis became the Duke of Bourbon. In the same year 1356, Isabella arranged for her daughter Joanna to marry Charles V of France; as he was at the time the Dauphin of France, Joanna duly became Dauphine.
She had as her butler Jean Saulnier, knight, lord of Thoury-on-Abron, councilor and Grand Chamberlain of France and bailli of Saint-Pierre-le-Moûtier.
Upon becoming a widow, Isabella took the veil. She died on 26 July 1383 at the age of seventy. She was buried in Eglise des Frères Mineurs in Paris.