Milton Neil Campbell (January 21, 1881 – November 11, 1965) was a Canadian politician. He represented the electoral district of Mackenzie from 1921 to 1933, in the Canadian House of Commons. He resigned from the House of Commons in 1933 to accept an appointment as vice-chairman of the Tariff Board of Canada, a position that he held until 1943.He was a member of the Progressive Party of Canada and joined the Ginger Group of radical MPs.