Ivan Aleksandrovich Flerov (; end of the 19th century – after 1934) was a Soviet educationist, journalist, and writer on problems of religion and atheism.
In 1923, Flerov, in co-authorship with V. Ananiev, published a textbook titled "Morning Dawns: The second book for reading", which included a poem by S. Yesenin "Winter’s Lullaby" ("Poyet zima - aukayet ..."). Flerov was a member of the Central Council of the League of Militant Atheists of the USSR. From 13 November 1928 he worked in the section for work with children; since 7 October 1929 he was an instructor at the pioneer schools section, and after 26 September 1930 he was Head of the School Pioneer Department. From March 1931 to January 1933, Flerov was the editor-in-chief of the magazine for schoolchildren «Yunyye bezbozhniki».