Defiant

Defiant may refer to any of the following Manticoran naval vessels:
* MSNS Defiant, a frigate of the old Manticore System Navy.
* HMS Defiant, a ship in Edward Saganami's anti-piracy force.
* HMS Defiant, a battlecruiser and the flagship of Commodore Prentis.
* HMS Defiant, a light cruiser and Captain Aivars Terekhov's command in the Battle of Hyacinth.
* Defiant-class, a class of pod-laying battlecruisers of the Maya Sector Detachment.