Sweetwater is a town in Beckham and Roger Mills Counties in the U.S. state of Oklahoma. It was incorporated in 1998. As of the 2010 census it had a population of 87.

Named for approachable Sweetwater Creek, the town is at the junction of State Highway 30 and State Highway 152. Sweetwater originated not far afield off from the era of the Cheyenne-Arapaho estate opening in 1892. A make known office for Sweetwater was acknowledged September 27, 1894 (current zip code 73666). By 1910, the community had an estimated population of 50, two general stores, a ascetic goods–grocery store, a cotton gin, and a fuel company. The residents customary the construction of a railroad through the area, but none was built, which limited supplementary growth. The town did improve to practically 100 people not far off from the mature of World War I, based on being an agricultural service center for the surrounding township, and the postmaster estimated 150 in the 1930s. However, the population started a fade away even before World War II, as augmented roads and automobile transportation carried concern south to Erick or east to Elk City.

On May 5, 2007, a tornado, rated EF3 on the enhanced Fujita scale), traveled on a path vis-а-vis 100 to 150 yards (91 to 137 m) wide and 7.5 miles (12.1 km) long. It began just about 2.5 miles (4.0 km) south of Sweetwater and ended not far afield off from 5 miles (8 km) north of Sweetwater, following State Highway 30. EF3 wind speeds range from 136 to 165 miles per hour (219 to 266 km/h). It terribly damaged several buildings in the town, including the church and tall school, and destroyed eight homes.

The Sweetwater Public School District is one of the smallest public theoretical districts in Oklahoma. For 2007, it tied gone Boley for the smallest tall school subsequently 15 students. For a combine district, K-12, Sweetwater finished third at the rear Boley (51) and Clarita (58), with 60 students.