William Whipple Jr. (January 25, 1731 NS [January 14, 1730 OS] – November 28, 1785) was an American Founding Father and signatory of the United States Declaration of Independence. He represented New Hampshire as a member of the Continental Congress from 1776 through 1779. He worked as both a ship's captain and a merchant, and he studied in college to become a judge. He died of heart complications in 1785, aged 55.
