Cortana
Cortana may refer to:
- Cortana (gastropod), a gastropod genus
- Cortana (Halo), character in the Halo franchise
- Cortana (virtual assistant), virtual assistant from Microsoft
- Cortana, or Curtana, a ceremonial sword used in the coronation of British monarchs
- Cortain, or Curtana, the sword wielded by Ogier the Dane, Paladin of Charlemagne