Southon is an unincorporated community in Bexar County, in the U.S. state of Texas.

It is located within the Greater San Antonio metropolitan area.

Southton started as a station on the San Antonio and Aransas Pass Railway in the early 1900s, serving the Yturri-Southton oilfield.

[2] Southton is located off U.S. Highway 281 on the Southern Pacific Railroad, 10 mi (16 km) southeast of Downtown San Antonio in southern Bexar County.

[2] Today, the community is served by the East Central Independent School District.