Decianus (disambiguation)
Decianus is the name of several ancient Romans, including:
- C. Appuleius Decianus, tribune of the plebs in 98 BC
- Catus Decianus, the procurator of Roman Britain in 61 AD who created the conditions for Boudica's revolt
Decianus is also the Latin form of the Italian name Deciano or Deciani:
- Tiberio Deciani, Italian jurist and humanist (1509–1582)