Henryk Mania (born 17 January 1923 in Rakoniewice, died 13 April 2020 in Szczecin) was a Polish laborer and collaborator of Nazi Germany, who served as a kapo in the Chełmno extermination camp. In 2001, he was sentenced to eight years in prison for his involvement in the operation of the camp. He was the first Pole to be convicted by a Polish court for participation in Nazi crimes, in a trial where the prosecutor was from the Institute of National Remembrance.
