Eugen Gottlob Klöpfer (10 March 1886 in Talheim, Heilbronn - 3 March 1950 in Wiesbaden) was a German actor.
Born to Karl Klöpfer and his wife Karoline, née Hörsch, Eugen attended the Realschule ("secondary school") in Heilbronn. He subsequently attended the Lateinschule (Latin School) in Lauffen and then the Karlsgymnasium in Heilbronn.
Although he started an apprenticeship with a lumber business in Munich, Klöpfer soon discovered that his passion was the theater. He joined the Theatre Association of Munich and performed at various provincial theaters. In 1905 he was cast in his first role in Landshut, afterwards playing in Ingolstadtand Biel. In 1909 he came to the Volkstheater München ("Munich People's Theater). From 1914 to 1918, he performed in Colmar, Erfurt, Bonn and Frankfurt am Main.
After the First World War, Klöpfer relocated to Berlin. There he played from 1920 to 1923 at the Deutsches Theater , then at various stages, starting in 1925 in Vienna and Salzburg. Finally, he toured Europe and South America. He played the title role in Carl Zuckmayer's 1927 play Schinderhannes. In the twenties, he appeared in numerous silent films.