Dumitru Constantin Moruzi (also known as Dimitrie Moruzi or Moruzzi; Russian: Дмитрий Константинович Мурузи, Dmitry Konstantinovich Muruzi; July 1 or 2, 1850 – October 9, 1914) was a Moldavian-born Imperial Russian and Romanian aristocrat, civil servant and writer. A scion of the prestigious Mourousis and Sturdza families, he was the son of adventurer Constantin D. Moruzi, who had switched his allegiance between Moldavia, Russia, and the United Principalities; his stepsister, Natalia Keșco-Moruzi, was for a while queen of Serbia. Against his father's moderate stance, Dumitru opted for Romanian nationalism and, in the process, lost his family estates in Bessarabia. He emigrated back to Romania, and he helped administer Northern Dobruja, playing an important part in the modernization of Suli