Gulf, Colorado and San Saba Railway

Gulf, Colorado and San Saba Railway
Reporting mark GCSR
Locale Texas
Track gauge 4 ft 8 12 in (1,435 mm) (standard gauge)
Headquarters Brady, Texas

The Gulf, Colorado and San Saba Railway (reporting mark GCSR) is a short-line railroad headquartered in Brady, Texas.

The GCSR operates a former Atchison, Topeka and Santa Fe Railway branch line from an interchange with the BNSF Railway at Lometa to Brady.