Medal of the 40th Anniversary of People's Poland

The Medal of the 40th Anniversary of People's Poland (Polish: Medal 40-lecia Polski Ludowej) is a former civil decoration of Poland established by the Sejm on 26 April 1984 to recognize contribution of working people in development of the socialist state. It was awarded between 22 July 1984 and 22 July 1985. It was disestablished in 1992.

Similar medals were established to mark the 10th anniversary (in 1954) and 30th anniversary (in 1974) of People's Republic of Poland.