| Official Name: | Heritage Lake, Indiana |
| Settlement Type: | Census-designated place |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Putnam |
| Subdivision Type3: | Township |
| Subdivision Name3: | Floyd |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 9.02 |
| Area Land Km2: | 7.80 |
| Area Water Km2: | 1.22 |
| Area Total Sq Mi: | 3.48 |
| Area Land Sq Mi: | 3.01 |
| Area Water Sq Mi: | 0.47 |
| Population As Of: | 2020 |
| Population Total: | 3012 |
| Population Density Km2: | 386.05 |
| Population Density Sq Mi: | 1000.00 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 850 |
| Coordinates: | 39.7361°N -86.7061°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 46121/46128 |
| Area Code: | 765 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2629871 |
Heritage Lake is an unincorporated community and census-designated place in Floyd Township, Putnam County, in the U.S. state of Indiana. Its population was 2,880 as of the 2010 census.[2] The community is located in eastern Putnam County on the shores of its namesake lake. The lake is 318 acres in size.
According to the U.S. Census Bureau, the community has an area of, of which is land and is water.[2]