The Temple of Mercury was a sanctuary in Ancient Rome on the northwest shore of the Gulf of Naples, which was dedicated to god Mercury. The temple was founded in 495 BC. It was one of the oldest temples in Rome. It is known to have still existed in the 3rd century. If in use into the 4th-century, it would have been closed during the persecution of pagans in the late Roman Empire.
- Samuel Ball Platner, s.v. Aedes Mercurii, in A Topographical Dictionary of Ancient Rome, Londra, Oxford University Press, 1929, pg. 320