D'Dex La'Rade was a 24th century Romulan, a member of the Romulan Star Empire's Imperial Fleet and an officer assigned to service during the Dominion War, in the 2370s decade, fighting on the side of the Federation Alliance.
In the year 2375, a casualty report filed by the starships PWB T'Tpalok and PWB Preceptor noted that Commander La'Rade was missing in action. Another report from the PWB Aj'rmr noted Commander La'Rade as wounded in action. Finally, reports from starship PWB Koderex noted La'Rade as having been killed. (DS9 episodes: "Image in the Sand", "The Siege of AR-558")