In Greek mythology, the name Bienor (Ancient Greek: Βιήνωρ) or Bianor (Βιάνωρ) may refer to:

• Bienor, a Centaur at the wedding of Pirithous and Hippodamia, killed by Theseus in the ensuing battle.^[1]
• Bienor, a defender of Troy killed by Agamemnon.^[2]
• Bienor, son of Pyrnus, a soldier in the army of Cyzicus killed in the battle against the Argonauts.^[3]
• Bianor (or Ocnus), son of Manto (either the daughter of Tiresias, or of Heracles) and the river god Tuscus or Tiberis, founder of Mantua which he named after his mother.^[4]