| Official Name: | Anacker, Wisconsin |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Wisconsin#USA |
| Pushpin Label: | Anacker |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Columbia |
| Subdivision Type3: | Town |
| Subdivision Name3: | Fort Winnebago |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 781 |
| Coordinates: | 43.6256°N -89.4436°W |
| Area Code: | 608 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1577491 |
Anacker is an unincorporated community located in the town of Fort Winnebago, Columbia County, Wisconsin, United States.[1] The community was named after William Anacker, who served in the Union army in the American Civil War and was instrumental in the formation of the community.[2]