Marie-Claire Daveluy (August 15, 1880 – January 21, 1968) was a Canadian librarian, historian and writer.
She is considered a pioneer in library science in Canada.The daughter of Georges Daveluy and Marie Lesieur Desaulniers, she was born in Montreal and was educated at the Hochelaga Convent.
She earned a degree in library science at McGill University in 1920.