Lina Haag née Jäger (18 January 1907 – 18 June 2012) was a German anti-Fascist activist.

[1] Haag was born in Hagkling, and was a member of the Youth movement of the Communist Party of Germany (KPD) in the small Württembergish town of Schwäbisch Gmünd in the 1920s.

Alfred was a member of the regional Parliament for the KPD until Adolf Hitler's rise to power in 1933.

In 1940, she obtained permission for an audience with Heinrich Himmler, who secured Alfred's release from the Mauthausen concentration camp.

Alfred was soon drafted into the Wehrmacht, and sent to the Eastern Front, and Lina and their daughter were bombed out of their home in Berlin.