The gens Trebellia, occasionally written Trebelia, was a plebeian family at ancient Rome.
Members of this gens are first mentioned at the time of the Second Punic War, but they played little role in the Roman state until the final decades of the Republic.
[1] Trebellii are known from inscriptions in Delos and in Athens between 150 and 89 BC.
[2] The most illustrious of the Trebellii was Marcus Trebellius Maximus, who attained the consulship in AD 55.