Sergey Sergeyevich Smirnov (Russian: Серге́й Серге́евич Смирно́в; 1915–1976) was a Soviet writer, a historian, a radio- and TV-presenter, a public figure, a Lenin Prize winner (1965).

He quit Moscow Power Engineering Institute without getting a degree and entered the Maxim Gorky Literature Institute.

Sergey was the deputy editor-in-chief of Novy mir (November 1953 – October 1954), the editor-in-chief of Literaturnaya Gazeta in 1959—1960.

Smirnov was famous for his books about heroes of the Great Patriotic War.

He did a lot to immortalize heroic deeds of unknown soldiers and to find soldiers missing in action.