Nikolai Fyodorovitch von Ditmar (b. Moscow, May 10, 1865; died Kharkov, July 18, 1919) was an industrialist, entrepreneur, socialite, and politician from the Russian Empire.
[1] Born into the hereditary nobility of the Russian Empire, von Ditmar was of Baltic German origin.
He graduated from St. Petersburg's Mining Institute in 1889 and studied chemistry with the scientist Dmitri Mendeleev.
From 1906 to 1917 von Ditmar served as chairman of the Council of Mining Industrialists of Southern Russia.
In 1912 he was chosen to sit in the State Council of the Russian Empire, the upper house of the country's quasi-parliament.