HMS Testudo was an Avalon class light cruiser of the Royal Manticoran Navy.
Early in the Second Havenite-Manticoran War, Testudo was assigned to the Ninth Fleet in the former Silesian Confederacy and deployed to the Terrance System along with HMS Wolfhound and HMS Claymore to provide a Manticoran presence in the Terrance Sector. (HHA7.3: TSC)