| Official Name: | Elkhorn Grove, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Carroll |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 728 |
| Coordinates: | 42.0081°N -89.7344°W |
| Area Code: | 815 & 779 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 422663[1] |
Elkhorn Grove is an unincorporated community in Carroll County, Illinois, United States. Elkhorn Grove is located on Elkhorn Creek north-northeast of Milledgeville.
Notable people from Elkhorn Grove include early Colorado state senator and mine owner Henry Neikirk, who was born there and attended the nearby Mount Carroll Seminary (later known as Shimer College) before heading west to make his fortune.