Prince Mikhail Mikhailovich Cantacuzène, Count Speransky (Russian: Михаи́л Миха́йлович Кантаку́зин, граф Сперанский; 29 April 1875 – 25 March 1955) was a Russian general. The title of Count Speransky has been alternatively spelled "Spiransky" and "Speranski".