Prince Dmitri Alexeievich Gallitzin FRS (21 December 1728 – 16 March 1803) was a Russian diplomat, art agent, author, volcanologist and mineralogist.
He was a supporter of the recognition of the United States, and participated in the drafting of the League of Armed Neutrality.
He was the first Russian educated people that made specific proposals on the abolition of serfdom in Russia.