John Robinson Leopold (born February 4, 1943) is an American politician who served in the state legislatures of Hawaii and Maryland and later as a county executive as a Republican. He was convicted of a common law misdemeanor-misconduct in office and served a 30-day sentence in county jail and received a fine. He resigned on February 1, 2013 and was succeeded by Laura Neuman, after a vote by the Anne Arundel County Council.