Alexander Dmitrievich Protopopov (Russian: ??????´??? ???´??????? ???????´???; December 18, 1866 – October 27, 1918) was a Russian liberal publicist and politician in Imperial Russia.
He held the position of Minister of the Interior from September 1916 to February 1917.
According to Bernard Pares "He was merely a political agent; but his intentions as to policy, considering the post which he held, are of historical interest."