Mechthild of Nassau
| Mechthild of Nassau | |
|---|---|
| Duchess consort of Upper Bavaria | |
| Tenure | 1294–1317 |
| Born | Mechthild von Nassau before 1280 |
| Died | 19 June 1323 Heidelberg |
| Burial | Klarenthal Abbey |
| Spouse | Rudolf I, Duke of Bavaria |
| Issue | Ludwig Adolf, Count Palatine of the Rhine Rudolf II, Count Palatine of the Rhine Rupert I, Elector Palatine Mathilde, Countess of Sponheim Anna |
| House | Nassau |
| Father | Adolf, King of the Romans |
| Mother | Imagina of Isenburg-Limburg |
Mechtild of Nassau, german Mechthild von Nassau, (before 1280 – 19 June 1323) was the youngest child of Adolf, King of the Romans and his wife Imagina of Isenburg-Limburg. Mechtild is also known as Matilda of Nassau. She was Duchess consort of Bavaria, by her marriage to Rudolf I, Duke of Upper Bavaria.