Maria Anna of Bavaria may refer to:
- Maria Anna of Bavaria (1551–1608), who married her uncle Charles II, Archduke of Austria
- Maria Anna of Bavaria (1574–1616), who married Ferdinand II, Holy Roman Emperor, niece of the above
- Duchess Maria Anna of Bavaria, married Louis, Dauphin of France (1661–1711), great granddaughter of above
- Maria Anna of Bavaria (1805-1877), who married Frederick Augustus II of Saxony