Fort Clark Springs is an unincorporated community and census-designated place (CDP) in Kinney County, Texas, United States.

U.S. Route 90 runs along the border between the two communities, leading east 39 miles (63 km) to Uvalde and west 30 miles (48 km) to Del Rio.

Texas State Highway 131 runs along the eastern edge of the CDP, leading south 33 miles (53 km) to U.S. Route 277 in the Rio Grande valley.

According to the United States Census Bureau, the CDP has a total area of 3.0 square miles (7.7 km2), of which 0.01 square miles (0.03 km2), or 0.36%, are water.

[2] Fort Clark Springs first appeared as a census designated place in the 2010 U.S.