Johannes Heinrich Becker (27 September 1898 – 21 February 1961) was a German immigrant to Australia and member of the German Nazi Party. He immigrated to Australia in 1927. In 1933 he was appointed as the Nazi state trustee for Australia. He was later the state leader of the Nazi Party of Australia, but was removed as state leader in 1936. During World War II, Becker was interned by the Australian authorities and after the war, in 1947, he was deported to West Germany, where he lived until his death in 1961.