Gaius Terentius Varro


 * For others with a similar name, see Varro (cognomen).

Gaius Terentius Varro (fl. 3rd century BC) was a Roman consul and commander. Along with his colleague, Lucius Aemilius Paullus, he commanded at the Battle of Cannae during the Second Punic War, in 216 BC, against the Carthaginian general Hannibal. The battle resulted in a decisive Roman defeat.

Varro had been a praetor in 218 BC. He was proconsul in Picenum from 215–213 BC, and in 208–207 BC, as propraetor he held Etruria against Hannibal's younger brother Hasdrubal Barca. He went to Africa, in 200 BC as ambassador.