San Antonio
- Country: United States
- State: Texas
- Population: 1,492,510 (2016)
- Latitude: 29° 25.4' N (29.42412°)
- Longitude: 98° 29.6' W (-98.49363°)
- Elevation: 198 m/650 ft. above sea level
- Time zone: America/Chicago (UTC -06:00); DST observed (UTC -05:00)
- Alternate names: San Antonio de Bejar