| Joanna | |
|---|---|
| Duchess of Brabant, Lothier, and Limburg | |
 | |
| Born | 24 June 1322 |
| Died | 1 December 1406 (aged 84) |
| Burial | Carmelite monastery, Brussels |
| Spouse | William II, Count of Hainaut Wenceslaus I, Duke of Luxembourg |
| House | House of Reginar |
| Father | John III, Duke of Brabant |
| Mother | Marie d'Évreux |
Joanna, Duchess of Brabant (24 June 1322 – 1 December 1406), also known as Jeanne, was a ruling Duchess of Brabant from 1355 until her death. She was duchess of Brabant until the occupation of the duchy by her brother-in-law Louis II of Flanders. Following her death, the rights to the duchy of Brabant went to her great-nephew Anthony of Burgundy, son of Philip the Bold.