Cisco is a city in Eastland County, Texas, United States. The population was 3,899 at the time of the 2010 census.

Eastland County is a county located in central West Texas. As of the 2020 census, its population was 17,725. The county seat is Eastland. The county was founded in 1858 and later organized in 1873. It is named for William Mosby Eastland, a soldier during the Texas Revolution and the only officer to die as a result of the "Black Bean executions" of the Mier Expedition.