| Louis II | |
| Succession: | Grand Duke of Baden |
| Reign: | 24 April 1852 – 22 January 1858 |
| Regent: | Frederick |
| Predecessor: | Leopold I |
| Successor: | Frederick I |
| House: | House of Zähringen |
| Father: | Leopold I, Grand Duke of Baden |
| Mother: | Sophie of Sweden |
| Birth Place: | Karlsruhe, Grand Duchy of Baden |
| Death Place: | Karlsruhe, Grand Duchy of Baden |
| Religion: | Lutheranism |
Louis II (German: Ludwig II.; 15 August 1824 – 22 January 1858) was Grand Duke of Baden from 24 April 1852 to his death in 1858. He was the son of Leopold I, Grand Duke of Baden, and Princess Sophie of Sweden.
Louis succeeded his father as Grand Duke of Baden on 24 April 1852. His brother Frederick acted as regent, because Louis had mental illness. However, in 1856, Frederick became grand duke as well. He was also an honorary citizen of Karlsruhe.