Brennus (or Brennos) (died 279 BC at Delphi, Ancient Greece) was one of the Gaul leaders of the army of the Gallic invasion of the Balkans.
Brennus (atau Brennos) (wafat 279 SM di Delfi, Yunani Kuno) adalah salah satu pemimpin pasukan Gaul pada invasi Balkan oleh Gallik.