The Webster/Dudley Band of the Chaubunagungamaug Nipmuck Indians, also known as the Chaubunagungamaug, Chaubunagungamaug Nipmuck, Pegan or Dudley Indians, are a Native American tribe indigenous to the U.S. states of Massachusetts and Connecticut in the region of New England. They are one of three tribes with state recognition in Massachusetts as a tribe of Nipmuck Indians, including the Hassanamisco Nipmuc and the Natick Massachusett, although the latter are mainly descended from the Massachusett people.