Hervé (, ), called Frankopoulos or Phrangopoulos (, "Son of the Frank"), was a Norman mercenary general in Byzantine service during the 1050s. According to Amatus of Montecassino, Hervé and other Norman mercenaries fought for the Byzantine Empire under George Maniakes against the Muslims in Sicily in 1038-1040. Between 1040 and 1043, he took part in the campaign against the Greeks of Apulia and received the city of Avellino (1042/3). At about 1050, he appears as the leader of the Norman mercenaries under Nikephoros Bryennios the Elder and one of the Greek's two chief lieutenants. In the same year, he and Katakalon Kekaumenos were defeated by the Pechenegs near the Danube.