John James MacLellan (July 26, 1878 – September 17, 1955)[1] was a provincial politician from Alberta, Canada.
He served as a member of the Legislative Assembly of Alberta from 1930 to 1935 sitting with the United Farmers caucus in government.
During his time in office he briefly served as a cabinet minister in the government of Premier Richard Reid from 1934 to 1935.
He won a closely contested two-way race over an independent candidate to hold the district for his party.
[2] MacLellan was promoted to the Executive Council of Alberta by Premier Richard Reid on July 14, 1934, to run the Public Works portfolio.