Alfred Jan Fiderkiewicz (2 August 1886 – 8 June 1972) was a Polish activist of the labor movement, socialist politician, physician, diplomat and Auschwitz survivor.
He returned to Poland in 1922 where he was then elected as deputy to the Sejm for the Kalisz district representing the Polish People's Party "Wyzwolenie".
In 1924, he was a founding member of the Independent Peasants' Party, and served as the chairman of its Main Board in the years 1924–1927.
[2] After the invasion of Nazi Germany and the USSR and with the occupation of the Poland, communists continued to meet in his apartment.
He organized meetings of representatives of the Polish Workers' Party and the Government Delegation in February and March 1943.