| Princess Maria Anna | |
|---|---|
| Princess Friedrich Karl of Prussia | |
 | |
| Born | 14 September 1837 Dessau, Duchy of Anhalt |
| Died | 12 May 1906 (aged 68) Friedrichroda, German Empire |
| Spouse | |
| Issue | Marie, Princess Henry of the Netherlands Elisabeth, Hereditary Grand Duchess of Oldenburg Princess Anna Princess Louise Margaret, Duchess of Connaught and Strathearn Prince Friedrich Leopold |
| House | Ascania |
| Father | Leopold IV, Duke of Anhalt |
| Mother | Princess Frederica of Prussia |
Princess Maria Anna of Anhalt-Dessau (14 September 1837, Dessau – 12 May 1906, Friedrichroda) was a princess from the House of Ascania. She was the third child of Leopold IV, Duke of Anhalt and Princess Frederica of Prussia.