Alto is a town in Cherokee County, Texas, United States. The population was 1,190 at the 2000 census.
Alto is located at 31°39′0″N 95°4′26″W / 31.65°N 95.07389°W / 31.65; -95.07389 (31.650131, -95.073810).
According to the United States Census Bureau, the town has a total area of 1.7 square miles (4.4 km²), all of it land. In 1946 Alto had a concentration camp for WWII POW's. It served the Cherokee county area.