Humbert or Hunbert was the bishop of Würzburg from 833 until his death. Although he was resident in Würzburg from 815, Humbert seems to have been a suffragan bishop of the archdiocese of Mainz without a see of his own before he was appointed to succeed Wolfgar at Würzburg. Humbert was a friend and correspondent of Hraban Maur, whose biblical commentaries he greatly admired. He sent a large supply of parchment to Fulda Abbey to have copies made of some of Hraban's books for his cathedral's library. He also acquired biblical manuscripts and some commentaries by Bede.