Ernst Philipp Graf von Brunnow (August 31, 1797 Dresden – April 12, 1875 Darmstadt) was a Baltic German diplomat who served in the Russian Empire.
Brunnow represented Russia in several conferences, and held ambassadorial positions in London (1840–1854), Frankfurt (1855), Berlin (1856), and then returned to London (1858–1874).
This article incorporates text from a publication now in the public domain: Wood, James, ed.