| Margaret of Bavaria | |
| Noble Family: | House of Wittelsbach |
| Father: | Albert III, Duke of Bavaria |
| Mother: | Anna of Brunswick-Grubenhagen-Einbeck |
| Spouse: | Federico I Gonzaga, Marquess of Mantua |
| Birth Date: | 1442 |
| Birth Place: | Munich |
| Death Date: | 1479 |
| Death Place: | Mantua |
Margaret of Bavaria (1442–1479) was a Marchioness consort of Mantua, married in 1463 to Federico I Gonzaga, Marquess of Mantua. She was regent in the absence of her spouse during his military campaign in 1479.
Margaret was the daughter of Albert III, Duke of Bavaria and Anna of Brunswick-Grubenhagen-Einbeck. The marriage between Margaret and Frederico helped trading relations between the two states.
Margaret was not able to speak or read Italian when she arrived, but the relationship with Frederico was described as happy. The court was dominated by her mother-in-law, but Margaret avoided all conflicts.
During his war against Aragon, Frederico appointed Margaret as regent in his absence during the spring and summer of 1479, during which she died.
Margaret and Frederico had: