| Official Name: | Tamarack Grange, Indiana |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Tamarack Grange |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | St. Joseph |
| Subdivision Type3: | Township |
| Subdivision Name3: | Penn |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 41.5961°N -86.1378°W |
| Elevation Ft: | 856 |
| Postal Code Type: | ZIP code |
| Postal Code: | 46544 |
| Area Code: | 574 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 452816 |
Tamarack Grange is an unincorporated community in Penn Township, St. Joseph County, in the U.S. state of Indiana.
The community is part of the South Bend - Mishawaka IN-MI, Metropolitan Statistical Area.
A post office named Tamarack was established in 1837, but was soon discontinued, in 1838.[1] The community was likely named after the tamarack larch.[2]