The Yuułuʔiłʔatḥ Government (Nuu-chah-nulth: [juːɬuʔiɬʔatħ]) or Ucluelet First Nation is the modern treaty government of the Yuułuʔiłʔatḥ in the Canadian province of British Columbia (located on the west coast of Vancouver Island on the northwest side of Barkley Sound).