Poppo von Babenberg (c. 986 – 16 June 1047) was the Archbishop of Trier from 1016 to his death.
He was educated in Regensburg and appointed by the Emperor Henry II in 1007 to be the first provost of his new cathedral at Bamberg.
When the Archbishop Megingod died in 1015, Henry selected Poppo to be his successor in Trier.
He was consecrated by Erkanbald, Archbishop of Mainz, later in 1016 he was confirmed by Pope Benedict VIII.
Later, Poppo had the monk buried in the Porta Nigra and on his word Pope Benedict IX canonised him.