| Official Name: | Ayers Ranch Colony, Montana |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Montana#USA |
| Pushpin Label: | Ayers Ranch Colony |
| Coordinates: | 47.0506°N -108.9489°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Subdivision Name2: | Fergus |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 0.44 |
| Area Land Sq Mi: | 0.44 |
| Area Water Sq Mi: | 0.00 |
| Area Total Km2: | 1.14 |
| Area Land Km2: | 1.14 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Density Km2: | 10.52 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 3616 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 59032 (Grass Range) |
| Area Code: | 406 |
| Blank Name: | FIPS code |
| Blank Info: | 30-03196 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2804283 |
| Population Total: | 12 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 27.27 |
Ayers Ranch Colony is a Hutterite community[2] and census-designated place (CDP) in Fergus County, Montana, United States. It is in the southeastern part of the county, on the north side of U.S. Route 87/Montana Highway 200, 8miles west of Grass Range and east of Lewistown. The North Fork of McDonald Creek runs through the community, part of the Musselshell River watershed leading to the Missouri River.
The community was first listed as a CDP prior to the 2020 census.