| Official Name: | Fair Haven Colony, Montana |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Montana#USA |
| Pushpin Label: | Fair Haven Colony |
| Coordinates: | 47.4042°N -111.6286°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Subdivision Name2: | Cascade |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 0.41 |
| Area Land Sq Mi: | 0.41 |
| Area Water Sq Mi: | 0.00 |
| Area Total Km2: | 1.05 |
| Area Land Km2: | 1.05 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Density Km2: | 0.00 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 3450 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 59483 (Sun River) |
| Area Code: | 406 |
| Blank Name: | FIPS code |
| Blank Info: | 30-25245 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2804691 |
| Population Total: | 0 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 0.00 |
Fair Haven Colony is a Hutterite community[2] and census-designated place (CDP) in Cascade County, Montana, United States. It is in the west-central part of the county, 7miles southwest of Ulm and southwest of Great Falls.
It was first listed as a CDP prior to the 2020 census.