Deerfield Colony is a Hutterite colony and census-designated place (CDP) in Edmunds County, South Dakota, United States. It was first listed as a CDP prior to the 2020 census. The population of the CDP was 128 at the 2020 census.
It is in the northeast part of the county, bordered to the north by McPherson County. It is northeast of Ipswich, the county seat, and northwest of Aberdeen. Plainview Colony is to the west, and Long Lake Colony is the same distance to the northeast.