Tacitus (disambiguation)

Tacitus was a Roman historian and senator.

Tacitus may also refer to:


 * Tacitus (emperor), Roman emperor in 275–276
 * Tacitus (crater), a lunar impact crater, named after the Roman historian
 * Tacitus (horse) (foaled 2016), an American Thoroughbred racehorse
 * 3097 Tacitus, an asteroid named after the Roman historian