Mahasena or Mahāsena may refer to: Mahasena, a name for Murugan, Hindu god of war Mahasena, a legendary king of the Kataragama region in Sri Lanka said to have ruled during the 6th century BCE Mahasena of Anuradhapura, a historical king of Sri Lanka who ruled from 275 to 301 CE Mahasena-gupta, a ruler of the Later Gupta dynasty in India Mahasena (genus), a genus of bagworm moth Chaophraya Mahasena, a Thai noble title Mahasena, the former HMCS Orkney, a ship of the Royal Ceylon Navy

See also Mahasen (disambiguation)