In the epic Mahabharata, Drona (, ) or Dronacharya (, ) or Gurudrona (Sanskrit-गुरुद्रोण) was the royal preceptor to the Kauravas and Pandavas. He was a descendant of the sage Angirasa. He was a master of advanced military arts, including the divine weapons or Divya Astras. Arjuna was his favorite student. Ashwatthama, another major combatant in the Kurukshetra war, is the son of Drona. Drona is the avatar of Brihaspati.

Drøno (also spelled Drøna or Drøni) is an island in Austevoll municipality in Hordaland county, Norway. The island lies just off the west coast of the larger island of Huftarøy. There is a road bridge over the wide channel of water separating Drøna from Huftarøy.