Paul the Deacon, also known as Paulus Diaconus, Warnefridus, Barnefridus, or Winfridus, and sometimes suffixed Cassinensis, was a Benedictine monk, scribe, and historian of the Lombards.
Portrait of Paulus Diaconus from a 10th-century manuscript (Laurentian Library Plut. 65.35 fol. 34r)