Fedeau Battery (Maltese: Batterija ta' Fedeau) was an artillery battery in Mellieħa, Malta. It was built by the Order of Saint John in 1714–1716 as one of a series of coastal fortifications around the Maltese Islands, and it was demolished in the 20th century. Fedeau Battery was also known as Vendôme Battery (Maltese: Batterija ta' Vendôme), Ta' Kassisu Battery (Maltese: Batterija ta' Qassisu) or Mellieħa Left Battery.