Bernard de Bailliu (1641, Antwerp – 1684, Antwerp), was a Flemish engraver.
According to Houbraken he travelled to Rome and joined the Bentvueghels with the nickname "Hemel" (Heaven).[1] [1]
According to the RKD he was the oldest son of Pieter de Bailliu and Elisabeth van Engelen. He was the brother of the engravers Pieter II (or Peeter-Frans), and Jan Baptist.[2] He worked in Rome.[2]