Tushka is a town in Atoka County, Oklahoma, United States. The population was 312 at the 2010 census, a decline of 9.6 percent from the figure of 345 recorded in 2000.

Atoka County is a county located in the U.S. state of Oklahoma. As of the 2020 census, the population was 14,143. Its county seat is Atoka. The county was formed before statehood from Choctaw Lands, and its name honors a Choctaw Chief named Atoka. The county is part of Choctaw Nation reservation lands.