Clemens Hasse (13 April 1908 – 28 July 1959) was a German actor and synchroniser.
Hasse was born in Königsberg, East Prussia to a public official and attended his stage education at the Preussisches Staatstheater in Berlin.
He was the German dubbing voice of Eddie Albert, Lou Costello, José Ferrer, Oliver Hardy, Sid James and also the voice of the white rabbit in Disneys Alice in Wonderland.
After World War II Hasse worked at the Schlosspark-Theater Berlin and after 1951 at the Schillertheater.
He died of a heart attack at New York City on the occasion of his daughter's marriage and is buried at Waldfriedhof Dahlem in Berlin.