Nestor Alexandrovich Kotlyarevsky (??'???? ??????'??????? ???????'????? February 2, 1863, Moscow, Russian Empire, - May 12, 1925, Leningrad, USSR) was a Russian author, publicist, literary critic and historian.
A high-profile scholar and a Russian academy honorary member (since 1906), Kotlyarevsky taught the history of literature in the Moscow University, a series of his lectures served later as a foundation for one of his best known works, The Nineteenth Century (1921).
Kotlyarevsky also went down in history as the first director of the Pushkin House (1910).