Gavius was the nomen of the ancient Roman gens Gavia. The Gavi Arch in Verona was built in honor of the gens.
- Gavius Bassus, writer at time of Cicero
- Gavius Silo, orator heard by Augustus Caesar in 26 BC, mentioned by Seneca
- Marcus Gavius Apicius, gourmet 1st century AD
- Gavius Silvanus, tribune of Nero
- Marcus Gavius Claudius Squilla Gallicanus, consul 127
- Marcus Gavius Squilla Gallicanus, consul 151
- Marcus Gavius Orfitus, consul 165
- Marcus Gavius Cornelius Cethegus, consul 170
- Lucius Fulvius Gavius Numisius Petronius Aemilianus, 206
Gavius Pontius was a Samnite general ca. 321 BC.
