Mount Calm is a city in Hill County, Texas, United States.

Mount Calm is located in southern Hill County in Central Texas.

Hillsboro, the Hill county seat, is 26 miles (42 km) to the northwest via local roads.

25.4% of all households were made up of individuals, and 11.0% had someone living alone who was 65 years of age or older.

The town is served by the Mount Calm Independent School District.