Wawyachtonoc (also rendered Wyachtonok, Wawayachtonoc, and Wyaghtonok) were an Algonquian-speaking Native American people indigenous to east central New York and northwest Connecticut. In 1687, the Wyachtonok joined the Mohican Confederacy. The majority of the Wawyachtonoc were converted to Christianity, beginning in 1740, by Moravian missionaries. During this period Wawyachtonoc populations became concentrated at the Moravian missions at Shekomeko and Schaghticoke.