O'Donnell

O'Donnell is a surname. It may possibly refer to the following:
==In the Halo Universe==
*Lance O'Donnell: The famous Earth socialite.
==In the real world==
*Martin O'Donnell: A sound director at Bungie Studios.
*Bob O'Donnell: The voice actor for the Prophet of Objection in Halo 2, as well as the voice of the Terminals in Halo: Reach.