Marder may refer to :

  • Marder (animal), German name for European Pine Marten (Martes martes)
  • Marder (tribe), a tribal union in Prehistoric Armenia
  • a series of German tank destroyers from World War II:
    • Marder I
    • Marder II
    • Marder III
  • Marder (IFV) or Sch├╝tzenpanzer Marder, a modern German infantry fighting vehicle
  • Marder (midget submarine), a German World War II midget submarine
  • Marder (Zoids), a mecha from the Zoids fictional universe
  • Eve Marder, American neuroscientist
  • Arthur Marder, American historian