| Official Name: | Gillingham, Wisconsin |
| Pushpin Map: | Wisconsin#USA |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Richland |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 804 |
| Coordinates: | 43.4264°N -90.445°W |
| Area Code: | 608 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1577610 |
Gillingham (also) is an unincorporated community located in the town of Marshall, Richland County, Wisconsin, United States. Gillingham is located on Wisconsin Highway 56 7miles north-northwest of Richland Center. The post office was opened in 1880 with Hugh Morrow as the first postmaster. It was named for John Gillingham, who had encouraged Morrow to move to the area.[1]