Dmitry Borisovich Mertvago (August 16, 1760, Mertovshchina village, near the town of Alatyr, Kazan Governorate, Russian Empire – July 5, 1824, Moscow) was a Russian official, senator, Privy Councillor (1817), Tauride Civil Governor (1803–07), Provisions Master General (1807–10), memoirist.