Fair Oaks Ranch is a city in Bexar, Comal, and Kendall counties in the U.S. state of Texas. The population was 5,986 at the 2010 census and an estimated 9,700 in 2018. It is part of the San Antonio Metropolitan Statistical Area.
The land on which Fair Oaks Ranch rests was acquired in the 1930s by Ralph Fair Sr., who worked in the oil industry and owned cattle and racehorses. A residential community was established by Fair's family in the 1970s and the community was incorporated in 1988.