| Official Name: | Brentwood Colony, South Dakota |
| Settlement Type: | Census-designated place |
| Pushpin Map: | South Dakota#USA |
| Pushpin Label: | Brentwood Colony |
| Coordinates: | 45.1514°N -99.2983°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Dakota |
| Subdivision Type2: | County |
| Subdivision Name2: | Faulk |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 0.98 |
| Area Land Sq Mi: | 0.87 |
| Area Water Sq Mi: | 0.11 |
| Area Total Km2: | 2.54 |
| Area Land Km2: | 2.26 |
| Area Water Km2: | 0.28 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Density Km2: | 51.41 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1716 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 57438 (Faulkton) |
| Area Code: | 605 |
| Blank Name: | FIPS code |
| Blank Info: | 46-07068 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2813024 |
| Population Total: | 116 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 133.18 |
Brentwood Colony is a Hutterite colony[3] and census-designated place (CDP) in Faulk County, South Dakota, United States. The population was 116 at the 2020 census.[4] It was first listed as a CDP prior to the 2020 census.
It is in the northwest part of the county, by road northwest of Faulkton, the county seat, and 8miles southwest of Norbeck. Thunderbird Colony is 5miles by road to the northeast.