| Indiana's 12th congressional district | |
|---|---|
| Obsolete district | |
| Created | 1875 |
| Eliminated | 1940 |
| Years active | 1875–1943 |
Indiana's 12th congressional district was a congressional district for the United States House of Representatives in Indiana. It was eliminated as a result of the 1940 census. It was last represented by Louis Ludlow who was redistricted into the 11th district.