The Webster/Dudley Band of 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 an unrecognized tribe, meaning they are not federally recognized as a Native American tribe. They are also not state-recognized, unlike the Nipmuc Nation.