Mahasena

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