| Official Name: | Hanover Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Lake |
| Government Type: | Indiana township |
| Established Title: | founded |
| Established Date: | 1853 |
| Area Total Sq Mi: | 29.67 |
| Area Land Sq Mi: | 28.77 |
| Area Water Sq Mi: | 0.91 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 18214 |
| Population Density Sq Mi: | 432.6 |
| Elevation Footnotes: | [2] |
| Elevation M: | 222 |
| Elevation Ft: | 728 |
| Coordinates: | 41.3903°N -87.4783°W |
| Blank Name: | FIPS code |
| Blank Info: | 18-31252[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 453371 |
Hanover Township is one of eleven townships in Lake County, Indiana, United States. As of the 2010 census, its population was 12,443 and it contained 4,861 housing units.[4]
Hanover Township was established in 1853.[5]
According to the 2010 census, the township has a total area of, of which (or 96.97%) is land and (or 3.07%) is water.[4]
Hanover Township is served by the Hanover Community School Corporation which includes Hanover Central Junior-Senior High School.
The Shrine of Christ's Passion, opened in 2008, in the town of St. John, is within the township.