Marius

Marius may refer to:


 * , a Romulan Centurion-class flagship.
 * , a Romulan Cetratus-class bomber.
 * , a Romulan Gladius-class fighter.
 * , a Romulan Centurion-class support frigate.
 * , a Romulan Securis-class missile cruiser.
 * Marius IV, a planet.