The gens Cocceia was a plebeian family at ancient Rome.
The gens is first mentioned towards the latter end of the Republic, and is best known as the family to which the emperor Nerva belonged.
[1][3] The only family of the Cocceii known under the late Republic bore the cognomen Nerva.
A number of personal cognomina were borne by other members of the gens, including Auctus, Balbus, Genialis, Justus, Nepos, Nigrinus, Proculus, Rufinus, and Verus.
Dictionary of Greek and Roman Biography and Mythology.