Moccasin is an unincorporated community in Judith Basin County, Montana, United States. The community was named for the nearby Moccasin mountain range. Moccasin has a post office with the ZIP code 59462.Nearby Ackley Lake State Park is one of the few public lakes in Central Montana. It provides recreational activities, including fishing for several types of trout and kokanee salmon. The Judith Basin Press is the local newspaper. It is published weekly.