David Mills, PC (March 18, 1831 – May 8, 1903) was a Canadian politician, author, poet and puisne justice of the Supreme Court of Canada.

He then attended the University of Michigan School of law, graduating with honors in 1867 with an LL.B degree.

He published The Present and Future Political Aspects of Canada in 1860 and The Blunders of the Dominion Government in connection with the North-West Territory in 1871.

[1] During the debates surrounding the creation of the Supreme Court of Canada in 1875, Mills was one of the few exceptions who opposed granting the court jurisdiction over provincial law, as he viewed it as contrary to Canada's federalist structure.

Mr. David Mills was appointed Minister of the Interior and Superintendent General of Indian Affairs, 24 October 1876: