Cortana might mean one of the following, please use this page as a disambiguation page.
Cortana (Character) One of the main characters of the Halo series.
Related ThreadsCortana Letter 1 (real message?) Final Battle? - last post by @ Jul 3, 2006
The Cortana-Rampancy/Alpha Halo connection? - last post by @ Sep 8, 2007
The Cortana Letters - last post by @ Aug 14, 2003
New cortana look? - last post by @ Oct 24, 2004
Me and my buddy double teamed Cortana the other day - last post by @ Oct 10, 2007