Dead Man's Letters (Russian: Письма мёртвого человека, romanized: Pis'ma myortvogo cheloveka), also known as Letters from a Dead Man, is a 1986 Soviet post-apocalyptic drama film directed and written by Konstantin Lopushansky. He wrote it along with Vyacheslav Rybakov and Boris Strugatsky. It marks his directorial debut.

The film was screened at the International Critics' Week section of the Cannes Film Festival in 1987

and received the FIPRESCI prize at the 35th International Filmfestival Mannheim-Heidelberg.

In the aftermath of nuclear apocalypse, a group of people are forced to live underground in bunkers. They cannot go outside their dwellings without wearing protective clothing and gas masks. They try to find hope in the disturbing new world. Among these people is a history teacher who tries to via letters his missing son.