Leon Kasman, pseudonyms "Adam," "Bolek," "Janowski," "Zygmunt"[1] (born 28 October 1905 in Łódź; died 12 July 1984 in Warsaw) was a Polish communist journalist and politician of Jewish descent.

[2][3] Head of the propaganda and agitation department of the Central Committee of the Polish Workers' Party.

[4] He was a first editor-in-chief of the Trybuna Ludu daily, deputy to the Sejm of the Polish People's Republic.

As a result of the conflicts within the communist party, Kasman resigned from this function in December 1953.

Leon Kasman died in 1984 and was buried at the Powązki Military Cemetery in Warsaw.