Gaius Sulpicius Galba was a Roman senator, who was active during the reign of Augustus.
He was suffect consul in 5 BC as the colleague of Quintus Haterius, succeeding Lucius Vinicius.
His younger brother was also called Servius Sulpicius Galba.
His first wife was Mummia Achaica, with whom he had two sons, Gaius consul in AD 22, and Servius, the future emperor Galba.
This ancient Roman biographical article is a stub.