Gaius Octavius

Gaius Octavius may refer to;
 * Gaius Octavius (tribune 216 BC) (fl. 216 BC), military tribune
 * Gaius Octavius (proconsul) (c. 100–59 BC), praetor in 61 BC
 * Augustus or Gaius Octavius Thurinus (63 BC–AD 14), first Roman Emperor
 * Gaius Octavius Laenas, curator of the aqueducts in Rome (AD 34–38)
 * Gaius Octavius Lampadio, ancient Roman
 * Gaius Octavius Appius Suetrius Sabinus, senator and consul (214 and 240)