Denis-Émery Papineau (December 26, 1819 – January 6, 1899) was a Quebec notary and political figure.
Papineau was schooled at Saint-Hyacinthe, and received his qualification as a notary in 1841, following which he entered into practice in Montreal.
Papineau was one of the founders of Revue canadienne, and the newspapers L'Avenir and Le Pays.
Papineau was elected to the Legislative Assembly of the Province of Canada for Ottawa County in 1858.
Papineau worked to establish a notary provincial association and he was its president from 1876 to 1879.