|Died||1 June 1979 (aged 74)|
|Alma mater||University of Berlin|
|Known for||Cardiac catheterization|
Werner Theodor Otto Forßmann (29 August 1904 – 1 June 1979) was a German physician. He was the winner of the Nobel Prize in Physiology or Medicine in 1956. Forssmann studied the active principles and discovered cardiac catheterization.