Anton "Toni" Wiedemann (December 30, 1911 – November 6, 1953) was a German ice hockey player who competed for the German national team at the 1936 Winter Olympics in Garmisch-Partenkirchen. He also played for Germany at two World Championships. He played club hockey for EV Füssen, Düsseldorfer EG, and SC Riessersee in the German Championship. Wiedemann is a member of the German Ice Hockey Hall of Fame.