Biography and many-sided activity of Ukrainian states man of XVIII – XIX centuries and patriot of art of Dmytra Prokopovycha Troshchynsky (1754 – 1829) is investigated. The survey of the collection of the maps of his library in fund of sector of cartographic editions of VNLU is presenting. Keywords: cartographical editions of the Vernadsky National Library of Ukraine, the collection of the maps of Troshchynsky’s library.