| Official Name: | Bridger, South Dakota |
| Settlement Type: | Census-designated place |
| Pushpin Map: | South Dakota#USA |
| Pushpin Label: | Bridger |
| Coordinates: | 44.5422°N -101.9136°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Dakota |
| Subdivision Type2: | County |
| Subdivision Name2: | Ziebach |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 0.27 |
| Area Land Sq Mi: | 0.27 |
| Area Water Sq Mi: | 0.00 |
| Area Total Km2: | 0.69 |
| Area Land Km2: | 0.69 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Density Km2: | 70.04 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 1870 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 57748 (Howes) |
| Area Code: | 605 |
| Blank Name: | FIPS code |
| Blank Info: | 46-07140 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2813068 |
| Population Total: | 48 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 181.13 |
Bridger is an unincorporated community and census-designated place (CDP) in Ziebach County, South Dakota, United States, within the Cheyenne River Indian Reservation. The population was 48 at the 2020 census.[3] It was first listed as a CDP prior to the 2020 census.
It is in the southwest corner of the county, north of the Cheyenne River, which forms the border with Haakon County to the south. Bridger is also east of South Dakota Highway 34, which leads west to Sturgis and east to Pierre.