John Fenno was an American politician and newspaper publisher in the late 18th century. He is best known for founding the newspaper The Gazette of the United States in 1789, which supported the policies of the Federalist Party. Fenno played a significant role in shaping public opinion during the early years of the United States. In addition to his work in journalism, Fenno served as a member of the New York State Assembly. His contributions to both politics and media helped to establish the framework for political discourse in the young nation. Fenno's legacy is tied to the development of partisan journalism in America.