Solomon Southwick (December 25, 1773 – November 18, 1839) was an American newspaper publisher and political figure who was a principal organizer of the Anti-Masonic Party. Born in Newport, Rhode Island, Southwick attended the University of Pennsylvania, after which he was apprenticed as a baker and trained as a commercial sailor. In 1792, he relocated to Albany, New York to work for the Albany Register newspaper, of which he later became editor and publisher. He also became affiliated with the Democratic-Republican Party and served in a variety of elected and appointed political positions.