Gaius Fabius Ambustus was consul of the Roman Republic in 358 BC, in which year, according to Livy, a dictator was appointed through fear of the Gauls.[1][2] He was appointed Interrex in 355 BC.[3]
He was the son of Numerius Fabius Ambustus, consular tribune in 406 and 390 BC, and the brother of Marcus Fabius Ambustus, consul in 360, 356 and 354 BC.[4]