Notre-Dame-Auxiliatrice-de-Buckland is a parish municipality of about 800 people in the Bellechasse Regional County Municipality, in the Chaudière-Appalaches region of Quebec, Canada. Although the official name is Notre-Dame-Auxiliatrice-de-Buckland, most people refers to it as simply Buckland.
In the 2021 Census of Population conducted by Statistics Canada, Notre-Dame-Auxiliatrice-de-Buckland had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of , it had a population density of in 2021.