Martinsdale Colony is a Hutterite community[3] and census-designated place (CDP) in Wheatland County, Montana, United States.

It is on the western edge of the county, bordered to the west by Meagher County and 4 miles (6 km) northeast of the unincorporated community of Martinsdale.

The Musselshell River forms the southern edge of the CDP.

U.S. Route 12 runs through the southern part of the CDP, leading east 22 miles (35 km) to Harlowton, the Wheatland county seat, and west 36 miles (58 km) to White Sulphur Springs.

This Wheatland County, Montana state location article is a stub.