Deerfield Colony is a Hutterite community and census-designated place (CDP) in Fergus County, Montana, United States. It is in the western part of the county, on the south side of Montana Highway 81, northwest of Lewistown and southeast of Denton.
The community was first listed as a CDP prior to the 2020 census.
As of the 2020 census, Deerfield Colony had a population of 48.