Mikhail Yegorovich Vaschenko-Zakharchenko (Russian: ?????´? ???´????? ??´?????-????´??????, Ukrainian: ????´??? ???´????? ??´?????-????´??????) (October 31 (old style) (November 12) 1825 in Malievka, Zolotonosha uyezd, Poltava Governorate, Russian Empire – August 14 (old style) (August 27) 1912 in Kiev, Russian Empire) was a Russian mathematician, member of Moscow Mathematical Society from 1866 and Privy Councillor of Russia from 1908.