Passamaquoddy ’yan asalin ƙasar Amirka ne waɗanda ke zaune a arewa maso gabashin Amurka, a Maine da New Brunswick, Kanada. Kalmar "Passamaquoddy" kuma tana nufin yaren da wannan rukunin mutane ke magana. Sunan "Passamaquoddy" ya fito ne daga Passamaquoddy Bay, wanda ke bakin tekun Maine da New Brunswick. An yi imani cewa sunan yana nufin "pollock-spearer" a cikin yaren Passamaquoddy, yana nufin mahimmancin kamun kifi a al'adarsu.