| Ingeborg of Mecklenburg | |
| Electress consort of Brandenburg Countess of Holstein-Rendsburg | |
| Father: | Albert II, Duke of Mecklenburg |
| Mother: | Euphemia of Sweden |
| Spouse: | Louis VI of Bavaria Henry II of Holstein-Rendsburg |
| Issue: | Gerhard VI, Count of Holstein Albert II, Count of Holstein-Rendsburg Henry III, Count of Schauenburg-Holstein Sophia, Duchess of Pomerania |
| Birth Date: | 1343/45 |
| Death Date: | 25 July |
Ingeborg of Mecklenburg (1343/45[1] – 25 July 1395) was a daughter of Albert II, Duke of Mecklenburg and his wife, Euphemia of Sweden. Euphemia was a daughter of Ingeborg of Norway, who was the only legitimate child of King Haakon V of Norway. Thus, Ingeborg of Mecklenburg was Haakon V's great-granddaughter.
In 1360, she married Louis VI "the Roman" of Bavaria; she was his second wife. The marriage remained childless.
After Louis's death, she married Henry II, Count of Holstein-Rendsburg. They had at least four children: