Clement Weaver (c. 1620-1683), also known as Clement Weaver Jr. and Sergeant Clement Weaver, was a member of the House of Deputies of the Colony of Rhode Island and Providence Plantations in 1678, one of the founders of East Greenwich, and the immigrant ancestor of thousands of Weaver descendants in the United States. Clement Weaver and his ancestry and descendants are the subject of a 740-page volume, History and Genealogy of a Branch of the Weaver Family, published in 1928.