Gaius Antistius Vetus can refer to the following Roman people:

Gaius Antistius Vetus (praetor 70 BC) Gaius Antistius Vetus (consul 30 BC) Gaius Antistius Vetus, Augustus's quaestor, consul in 6 BC Gaius Antistius Vetus (consul 23) Gaius Antistius Vetus (consul 50) Gaius Antistius Vetus (consul 96)