David Ivanovich Grimm (Russian: Дави́д Ива́нович Гримм; 1823–1898) was a Russian architect, educator and historian of art of Byzantine Empire, Georgia and Armenia. Grimm belonged to the second generation of Russian neo-Byzantine architects and was the author of orthodox cathedrals in Tbilisi, Chersonesos and smaller churches in Russia and Western Europe. Grimm was a long-term professor at the Imperial Academy of Arts and chaired its Department of Architecture in 1887-1892.