The CDS Dwrnhaearn was a Cardassian Rasilak-class destroyer starship of the Cardassian Union's Central Command in the 24th century. The Dwrnhaearn was in active service around the year 2377. (TNG video game: Armada II)

No history or fate is established for this vessel as its designation was randomly selected for a destroyer by the game software.
Rasilak-class destroyer starships
CDS AdlanawgCDS AfrwyrCDS AlennuddCDS AnwedCDS AroeliantCDS BanwenCDS CadwyCDS CanarCDS CeiCDS CeirganCDS CuawigCDS CyfereidCDS CysgCDS DeisganCDS DwrnhaearnCDS DwrnhirwmCDS ErienCDS EsgiCDS EuroedCDS FaermCDS FfladCDS FugyrCDS GanweirCDS GenCDS GenrhymhiCDS GlafrwasCDS GosgonCDS GweddCDS GwynarCDS GwythyrCDS HabwyCDS HetwnCDS HueilCDS HynwlienCDS IeithCDS IsbanuddCDS KicvaCDS LlanCDS NwafanCDS PenwyganynCDS PeurfuddawgCDS PrelyfCDS RhymhCDS RhywgCDS RynCDS SaidiCDS SoniadCDS Wliwdd CardassianUnion